All Classes

Class	Description
AbstractCoreKeyAccumuloElementConverter
AbstractCoreKeyIteratorSettingsFactory
AbstractCoreKeyRangeFactory
AbstractElementFilter	The AbstractElementFilter will filter out Elements based on the filtering instructions given in the Schema or View that is passed to this iterator.
AbstractExamplesFactory	Abstract Examples factory which can create examples using a schema and class inspection.
AbstractGenerateSplitPointsFromSampleHandler<T,S extends Store>
AbstractGetRDDHandler<OP extends Output<O> & GraphFilters,O>
AbstractGetRDDHandler.FirstElement
AbstractImportKeyValuePairRDDToAccumuloHandler<OP extends Operation>
AbstractOperationChainOptimiser	Abstract base class for the OperationChainOptimiser interface.
AbstractOperationService	An abstract OperationsService which allows for implementations to inject dependencies depending on what DI framework they prefer.
AbstractSampleElementsForSplitPointsHandler<T,S extends Store>
AbstractSplitStoreFromRDDOfElementsHandler<OP extends Operation>
AbstractUserFactory	The base abstract UserFactory implementation for the spring rest API.
AccessControlledResource
AccessPredicate	A BiPredicate which will first check if the user is an admin according to the provided admin role.
AccumuloAddElementsFromHdfsJobFactory
AccumuloAdjacentIdRetriever
AccumuloAllElementsRetriever	This allows queries for all elements.
AccumuloEdgeValueLoader
AccumuloElementConversionException
AccumuloElementConverter	The Accumulo ElementConverter Interface details the methods necessary to convert Gaffer Elements to Accumulo Keys and Values Some of these methods may not be required in your client code, but some iterators designed for common use may make use of them.
AccumuloElementsRetriever
AccumuloElementValueLoader
AccumuloEntityValueLoader
AccumuloException
AccumuloIDBetweenSetsRetriever	Given two sets of EntityIds, called A and B, this retrieves all Edges where one end is in set A and the other is in set B and also returns Entitys for EntityIds in set A.
AccumuloIDWithinSetRetriever	Retrieves Edges where both ends are in a given set of EntityId's and Entitys where the vertex is in the set.
AccumuloItemRetriever<OP extends Output<Iterable<? extends Element>> & GraphFilters,I_ITEM>
AccumuloKeyPackage	The AccumuloKeyPackage provides access to Factories and utility methods needed for an Instance of the AccumuloStore to run, The idea of the key package is to isolate all things which are dependent upon any one key design, with the intent that new key package can be implemented later to optimise certain queries, depending on the users use case.
AccumuloKeyRangePartitioner	This is a spark compatible implementation of the accumulo RangePartitioner ( @link org.apache.accumulo.core.client.mapreduce.lib.partition.RangePartitioner }
AccumuloKeyValueReducer	Reducer for use in bulk import of data into Accumulo.
AccumuloProperties	An AccumuloProperties contains specific configuration information for the AccumuloStore, such as database connection strings.
AccumuloRangeIDRetriever<OP extends InputOutput<Iterable<? extends Pair<? extends ElementId,? extends ElementId>>,Iterable<? extends Element>> & GraphFilters>	This allows queries for all data from between the provided ElementId pairs.
AccumuloRetriever<OP extends Output & GraphFilters,O_ITEM>
AccumuloRuntimeException
AccumuloSampleDataForSplitPointsJobFactory
AccumuloSerialisationFactory	An AccumuloSerialisationFactory holds a list of Accumulo serialisers and is design to provide compatible serialisers for given object classes.
AccumuloSetRetriever<OP extends InputOutput<Iterable<? extends EntityId>,Iterable<? extends Element>> & GraphFilters>
AccumuloSingleIDRetriever<OP extends InputOutput<Iterable<? extends ElementId>,Iterable<? extends Element>> & GraphFilters>	This allows queries for all data related to the provided ElementIds.
AccumuloStore	An Accumulo Implementation of the Gaffer Framework
AccumuloStoreConstants
AccumuloStoreRelation	Allows Apache Spark to retrieve data from an AccumuloStore as a DataFrame.
AccumuloTablet	An AccumuloTablet maintains information related to a particular tablet, including the start and end of that tablet and the set of files that data for the tablet is stored.
AddElements	An AddElements operation is a Validatable operation for adding elements.
AddElements.Builder
AddElementsFromFile	An AddElementsFromFile operation takes a filename, converts each line of the file to a Gaffer Element using the provided ElementGenerator then adds these elements to the Graph.
AddElementsFromFile.Builder
AddElementsFromFileHandler	A AddElementsFromFileHandler handles the AddElementsFromFile operation.
AddElementsFromHdfs	An AddElementsFromHdfs operation is for adding Elements from HDFS.
AddElementsFromHdfs.Builder
AddElementsFromHdfsHandler
AddElementsFromHdfsJobFactory
AddElementsFromHdfsMapper<KEY_IN,VALUE_IN>
AddElementsFromHdfsTool
AddElementsFromKafka	An AddElementsFromKafka operation consumes records of a Kafka topic, converts each record into a Gaffer Element using the provided ElementGenerator then adds these elements to the Graph.
AddElementsFromKafka.Builder
AddElementsFromKafkaHandler	A AddElementsFromKafkaHandler handles the AddElementsFromKafka operation.
AddElementsFromSocket	An AddElementsFromSocket operation consumes records from a socket, converts each record into a Gaffer Element using the provided ElementGenerator then adds these elements to the Graph.
AddElementsFromSocket.Builder
AddElementsFromSocketHandler	A AddElementsFromSocketHandler handles the AddElementsFromSocket operation.
AddElementsHandler
AddElementsHandler	An OperationHandler for the AddElements operation on the MapStore.
AddGraph
AddGraph	An Operation used for adding graphs to a FederatedStore.
AddGraph.AddGraphBuilder<OP extends AddGraph,B extends AddGraph.AddGraphBuilder<OP,?>>
AddGraph.Builder
AddGraph.Builder
AddGraphHandler
AddGraphWithHooks	Deprecated. Will be removed in 2.4.0, functionality will be merged into the AddGraph operation.
AddGraphWithHooks.AddGraphWithHooksBuilder<OP extends AddGraphWithHooks,B extends AddGraphWithHooks.AddGraphWithHooksBuilder<OP,?>>
AddGraphWithHooks.Builder
AdditionalOperations	Used by the AddOperationsToChain operation to store details around which operations to add to the chain.
AddNamedOperation	A AddNamedOperation is an Operation for creating a new NamedOperation and adding it to a Gaffer graph.
AddNamedOperation.Builder
AddNamedOperationHandler	Operation handler for AddNamedOperation which adds a Named Operation to the cache.
AddNamedView	A AddNamedView is an Operation for adding a NamedView to a Gaffer graph.
AddNamedView.Builder
AddNamedViewHandler	Operation handler for AddNamedView which adds a NamedViewDetail to the cache.
AddOperationsToChain	A AddOperationsToChain is a GraphHook that allows a user to insert additional operations at certain points on the operation chain.
AddSchemaToLibrary	An Operation used for adding Schema to the GraphLibrary of a store.
AddSchemaToLibrary.Builder
AddSchemaToLibraryHandler
AddStorePropertiesToLibrary	An Operation used for adding StoreProperties to the GraphLibrary of a store.
AddStorePropertiesToLibrary.Builder
AddStorePropertiesToLibraryHandler
AddToCacheHandler<OP extends Operation>
AddUpdateTableIterator	This class is designed to update iterator settings for iterators set on a table.
AdjacencyMap	An AdjacencyMap is used to store the contents of a graph in memory in a format which can easily be interrogated.
AdjacencyMaps	An AdjacencyMaps object contains a number of AdjacencyMap objects and can be used to represent the changes in an AdjacencyMap over time or to track the adjacency components of a graph over some other metric.
Aggregate	An Aggregate operation applies ElementAggregator(s) to the provided Iterable of Elements by their group, and returns an Iterable.
Aggregate.Builder
AggregateHandler
AggregatePair
AggregateValidator	An implementation of FunctionValidator, used for validating an Aggregate function.
AggregationException
AggregatorIterator	The aggregator iterator is used to combine Values where the Key is the same (Except for the Timestamp column).
AggregatorUtil	Utility methods to help with doing aggregation of elements.
AggregatorUtil.IngestElementBinaryOperator
AggregatorUtil.IngestPropertiesBinaryOperator
AggregatorUtil.IsElementAggregated
AggregatorUtil.QueryElementBinaryOperator
AggregatorUtil.QueryPropertiesBinaryOperator
AggregatorUtil.ToElementKey
AggregatorUtil.ToIngestElementKey	A Function that takes and element as input and outputs an element key that consists of the Group-by values in the Schema, the Identifiers and the Group.
AggregatorUtil.ToQueryElementKey	A Function that takes and element as input and outputs an element key that consists of the Group-by values in the View, the Identifiers and the Group.
AlwaysValid<T>	An AlwaysValid is an Validator in which it always returns true.
ApplicationConfig	An ApplicationConfig sets up the application resources, and any other application-specific configuration.
ApplicationConfigV1	An implementation of ApplicationConfig, containing v1-specific configuration for the application.
ApplicationConfigV2	An implementation of ApplicationConfig, containing v2-specific configuration for the application.
ApplyViewToElementsFunction
ArrayByteSequence	This class is copied from org.apache.accumulo.core.data.ArrayByteSequence.
Authorisations	This test is coped from org.apache.accumulo.core.security.Authorizations.
AuthorisedGraphForExportDelegate
AuthorisedGraphForExportDelegate.Builder
AvroJobInitialiser	A JobInitialiser that initialises the provided Job to handle Avro input data.
AvroMapperGenerator<OBJ>	An AvroMapperGenerator is a MapperGenerator that can handle Avro input data and convert it into an Iterable of Elements.
AvroSerialiser	An AvroSerialiser is used to serialise and deserialise Avro files.
BatchedIterable<T>	A BatchedIterable is a Closeable Iterable of batches.
BitmapJsonModules	Factory class to create the required modules for serialisation and deserialising RoaringBitmap instances in Jackson.
BloomFilterIteratorException
BloomFilterUtils	Utilities for the creation of Bloom Filters
BooleanSerialiser	This class is used to serialise and deserialise a boolean value
BoundedTimestampSet	A BoundedTimestampSet is an implementation of TimestampSet that can contain a maximum number N of timestamps.
BoundedTimestampSet.Builder
BoundedTimestampSet.State
BoundedTimestampSetAggregator	A BoundedTimestampSetAggregator is a BinaryOperator that takes in BoundedTimestampSets and aggregates the second one into the first.
BoundedTimestampSetSerialiser	A BoundedTimestampSetSerialiser serialises a BoundedTimestampSet to an array of bytes.
BulkImportException
ByteArrayEscapeUtils	Removes the 0 byte from a byte array.
ByteArraySchema
ByteBufferUtil	Utility methods for a ByteBuffer.
ByteEntityAccumuloElementConverter	The ByteEntityAccumuloElementConverter converts Gaffer Elements to Accumulo Keys and Values.
ByteEntityIteratorSettingsFactory
ByteEntityKeyPackage
ByteEntityPositions
ByteEntityRangeElementPropertyFilterIterator
ByteEntityRangeFactory
BytesAndRange
BytesSerialiser	This class is used to serialise and deserialise byte arrays.
ByteUtil	Utility methods for bytes
ByteUtils	Utility methods for bytes
Cache<K,V>	Type safe cache, adding and getting is guaranteed to be same type.
CacheOperationException	Exception indicating than an error occured while using the cache service.
CacheProperties	System properties used by the Gaffer cache service implementations.
CacheServiceLoader	Initialised when the store is initialised.
CachingIterable<T>	A CachingIterable is a Closeable Iterable that attempts to cache the iterable the first time it is read.
CancelScheduledJob	A CancelScheduledJob is an Operation that will use the provided jobId to cancel the job, if it is scheduled.
CancelScheduledJob.Builder
CancelScheduledJobHandler
CardinalityEntityGenerator<T>	A CardinalityEntityGenerator is an abstract Generator for generating cardinality Entities for each end of an Edge.
ChangeGraphAccess
ChangeGraphAccess.Builder
ChangeGraphId
ChangeGraphId
ChangeGraphId.Builder
ChangeGraphId.Builder
ChangeGraphIdHandler
ClassicAccumuloElementConverter
ClassicBytePositions
ClassicEdgeDirectedUndirectedFilterIterator
ClassicIteratorSettingsFactory
ClassicKeyPackage
ClassicRangeElementPropertyFilterIterator
ClassicRangeFactory
ClassTagConstants	Constants that provide ClassTags of various types.
CloseableUtil	Utility class for handling Closeables.
CollectionUtil
CommonTimeUtil	Utility methods for dates and times.
CommonTimeUtil.TimeBucket	Type representing a "bucket" of time.
CompactRawIntegerSerialiser	Serialises integers using a variable-length scheme that means smaller integers get serialised into a smaller number of bytes.
CompactRawLongSerialiser	Serialises longs using a variable-length scheme that means smaller longs get serialised into a smaller number of bytes.
CompactRawSerialisationUtils	The methods in this class are used in both CompactRawIntegerSerialiser and CompactRawLongSerialiser.
ComparableOrToStringComparator	A ComparableOrToStringComparator is a Comparator which compares two objects using their native Comparator.compare(Object, Object) method if it is available and falls back onto a comparison of their Object.toString() values.
ConcatenateMergeFunction	A BiFunction for concatenating results from multiple graphs into one Iterable.
Conditional	A Conditional is a simple POJO for wrapping an Operation and a Predicate, to allow for pre-predicate transformations, whilst preserving the input data.
ConsoleBanner	A ServletContextListener to write a message to the logger once the application is ready.
ConsumableBlockingQueue<T>	Extension to ArrayBlockingQueue to allow consumers to iterate over the queue, consuming the data, without being blocked.
Context	A Context contains operation chain execution information, such as the user who executed the operation chain and a map of Exporters.
Context.Builder
ContextSpecificMergeFunction<T,U,R>	Deprecated. Merging will be overhauled in 2.4.0.
ConversionException	An IOException used in a Converter class.
ConvertElementToRow	Class to convert a Element into a Row object for use in a Spark SQL dataframe.
Converter	An instance of this interface is used to convert an instance of a particular class into an object who's class matches a particular Spark DataType.
CoreKeyBloomFilterIterator	The CoreKeyBloomFilterIterator filters out Edges based on their non searched for vertex's membership of the provided BloomFilter.
CoreKeyBloomFunctor
CoreKeyGroupByAggregatorIterator
CoreKeyGroupByCombiner	A copy of Accumulo Combiner but combining values with identical rowKey and column family.
CoreKeyGroupByCombiner.KeyValueIterator	A Java Iterator that iterates over the properties for a given row Key and column family from a source SortedKeyValueIterator.
CorsConfig	The CorsConfig adds the default CORS headers to everything by default.
Count<T>	A Count operation counts how many items there are in the provided Iterable.
Count.Builder<T>
CountAllElementsDefaultView	A CountAllElementsDefaultView operation counts all of the Elements present in a MapStore.
CountAllElementsDefaultView.Builder
CountAllElementsDefaultViewHandler	An OperationHandler for the CountAllElementsDefaultView operation on the MapStore.
CountAllElementsOperationChainOptimiser
CountGroups	A CountGroups operation takes in Elements and collects counts for the number of entity and edge groups used.
CountGroups.Builder
CountGroupsHandler	A CountGroupsHandler handles CountGroups operations.
CountHandler<T>
CsvGenerator	Generates a CSV string for each Element, based on the fields and constants provided.
CsvGenerator.Builder
CustomMap<K,V>
CustomMapAggregator<K,V>
CustomMapSerialiser
DataFrameToIterableRow	A Function to convert a Dataset into an Iterable of Rows.
DataFrameUtil	Utility class for manipulating DataFrames.
DataLoader	A ServletContextListener to load the road traffic dataset into the application automatically upon application startup.
DateToTimeBucketEnd	Converts a Date into the end of a timestamp bucket, based on a provided CommonTimeUtil.TimeBucket.
DateToTimeBucketStart	Converts a Date into the start of a timestamp bucket, based on a provided CommonTimeUtil.TimeBucket.
DebugUtil	Util methods for debugging
DefaultExamplesFactory
DefaultExamplesFactory	Default implementation of the ExamplesFactory interface.
DefaultGraphFactory	Default implementation of the GraphFactory interface, used by HK2 to instantiate default Graph instances.
DefaultResponseDeserialiser<O>
DefaultResultAccumulator<T>	The default result accumulator for merging results from multiple graphs into one.
DefaultScoreResolver	A DefaultScoreResolver is the default ScoreResolver that returns the score based on a map of operation scores.
DefaultUserPredicate
DeleteAllData	This operation is used to self delete all retained data
DeleteAllData.Builder
DeleteAllDataHandler	This Handler will DELETE the Accumulo TABLE as well as the DATA.
DeleteAllDataHandler
DeleteElements	A DeleteElements operation is a Validatable operation for deleting elements.
DeleteElements.Builder
DeleteElementsHandler
DeleteElementsHandler	An OperationHandler for the DeleteElements operation on the MapStore.
DeleteNamedOperation	A DeleteNamedOperation is an Operation for removing an existing NamedOperation from a Gaffer graph.
DeleteNamedOperation.Builder
DeleteNamedOperationHandler	Operation Handler for DeleteNamedOperation.
DeleteNamedView	A DeleteNamedView is an Operation for removing a NamedView from a Gaffer graph.
DeleteNamedView.Builder
DeleteNamedViewHandler	Operation Handler for DeleteNamedView which removes a NamedView from the cache.
DeltaLongTimeSeriesSerialiser	Serialises a LongTimeSeries by writing out the deltas between consecutive values in the timeseries.
DemoData	Required for resource lookup.
DescriptionTransform	Simple transformation function to write a String describing the number of vehicles passing between two junctions.
DirectedType	A DirectedType defines whether edges should be directed, undirected or either/both.
DiscardOutput	A DiscardOutput operation is used as a terminal operation to indicate that the results from the previous operation are not used again.
DiscardOutput.Builder
DiscardOutputHandler	A DiscardOutputHandler handles DiscardOutput operations.
DoublesSketchAggregator	A DoublesSketchAggregator is a BinaryOperator that aggregates DoublesSketchs using a DoublesUnion.
DoublesSketchSerialiser	A DoublesSketchSerialiser serialises a DoublesSketch using its toByteArray() method.
DoublesUnionAggregator	A DoublesUnionAggregator is a BinaryOperator that aggregates DoublesUnions.
DoublesUnionSerialiser	A DoublesUnionSerialiser serialises a DoublesUnion using its toByteArray() method.
Edge	An Edge in an Element containing a source, destination and a directed flag.
Edge.Builder
EdgeDirection	Enumerated type denoting the directionality of an Edge.
EdgeId	An EdgeId is an interface describing the core methods that are required in order to identify an Edge.
EdgeId.MatchedVertex	Enumerated type to denote which vertex of an Edge matches an input parameter.
EdgeIdExtractor	Generates EdgeIds from and Edges.
EdgeIdSerialiser	Serialiser to serialise and deserialise EdgeId objects in a byte array representation.
EdgeKryoSerializer	An EdgeKryoSerializer is a Kryo Serializer for a Gaffer Edge
EdgeSeed	An EdgeSeed contains source, destination and directed identifiers to identify an Edge.
EdgeSerialiser	Serialiser to serialise and deserialise Edge objects in a byte array representation.
EitherOperationHandler<O extends Operation>	Custom handler for operations that could in theory target sub graphs or the federated store directly.
Element	Elements are the fundamental building blocks of the Graph.
ElementAggregateOperator	Operator for aggregating two iterables of Elements together, this will ensure all properties for similar elements are merged using the ElementAggregator from the schema to perform the actual aggregation.
ElementAggregator	An ElementAggregator is a BinaryOperator which aggregates two Element objects into a single element.
ElementAggregator.Builder
ElementAggregator.SelectedBuilder
ElementCloner	Utility class to create a clone of an Element.
ElementComparator	Base interface describing Element Comparator instances.
ElementComparison	An ElementComparison operation is an operation which is used to make comparisons between elements.
ElementConverterFunction
ElementConverterFunction
ElementDefinition	An ElementDefinition defines information about an element.
ElementDefinitions<ENTITY_DEF extends ElementDefinition,EDGE_DEF extends ElementDefinition>	Contains the full list of groups in the graph.
ElementDefinitions.BaseBuilder<ELEMENT_DEFS extends ElementDefinitions<ENTITY_DEF,EDGE_DEF>,ENTITY_DEF extends ElementDefinition,EDGE_DEF extends ElementDefinition,CHILD_CLASS extends ElementDefinitions.BaseBuilder<ELEMENT_DEFS,ENTITY_DEF,EDGE_DEF,?>>	Builder for ElementDefinitions.
ElementFilter	An ElementFilter is a Predicate which evaluates a condition against a provided Element object.
ElementFilter.Builder
ElementFilter.SelectedBuilder
ElementFilterException
ElementGenerator<OBJ>	An ElementGenerator converts domain objects to Elements.
ElementGroup	Element group constants for the basic demonstration.
ElementGroup	Element group constants for the Federated store demonstration.
ElementGroup	Element group constants for the road traffic demonstration.
ElementId	An ElementId is an interface describing the core methods that are required in order to identify an Element.
ElementId.Matches	Enumerated type to denote which component of an Element matches an input parameter.
ElementIdSerialiser	Serialiser to serialise and deserialise ElementId objects in a byte array representation.
ElementInputFormat	An InputFormatBase that allows the data in an Accumulo store to be read as Element, NullWritable pairs.
ElementJoinComparator	An ElementJoinComparator is a KoryphePredicate2 that is used to compare if two Elements are equal.
ElementKey	An ElementKey wraps an element and overrides hashcode and equals to only select the parts of the element that make up the key - i.e the Group, vertex/source/destination/directed and the group by properties.
ElementKey.EdgeKey
ElementKey.EntityKey
ElementMatch	Tests for matches for Elements within a Join Operation, groupBy properties can be optionally specified.
ElementPostAggregationFilter
ElementPreAggregationFilter
ElementPropertyComparator	An ElementComparator implementation to use when making comparisons based on a single element property (e.g.
ElementPropertyComparator.Builder
ElementSeed	An ElementSeed contains the identifiers for an Entity or Edge.
ElementSerialiser	Serialiser to serialise and deserialise Element objects in a byte array representation by delegating to the relevant serialiser.
ElementTransformer	An ElementTransformer is a Function which applies a series of transformations to an Element.
ElementTransformer.Builder
ElementTransformer.ExecutedBuilder
ElementTransformer.SelectedBuilder
ElementTuple	An ElementTuple implements Tuple wrapping an Element and providing a getter and setter for the element's identifiers and properties.
ElementTupleDefinition	An ElementTupleDefinition is a HashMap that stores a mapping between the key names and the relevant part of an Element used for creation of Elements from data structures like MapTuples.
ElementValidator	An ElementValidator is a Validator for Elements It is capable of validating an Element based on Predicates in Schema or View.
ElementValidator.FilterType
ElementValueLoader	This interface is used by the lazy loader classes to load Element's identifiers and properties.
ElementVisibility	This class is coped from org.apache.accumulo.core.security.ColumnVisibility.
ElementVisibility.Node
ElementVisibility.NodeType
EmptyIterable<T>	An EmptyIterable is a Closeable Iterable which is backed by a EmptyIterator, and contains no objects.
EmptyIterator<T>	An EmptyCloseableIterator is a Closeable Iterator which contains no objects.
Entity	An Entity in an Element containing a single vertex.
Entity.Builder
EntityId	An EntityId is an interface describing the core methods that are required in order to identify an Entity.
EntityIdExtractor	Generates ElementIds from and Elements.
EntityIdSerialiser	Serialiser to serialise and deserialise EntityId objects in a byte array representation.
EntityKryoSerializer	An EntityKryoSerializer is a Kryo Serializer for a Gaffer Entity
EntityMap	An EntityMap is used to store the contents of a graph in memory in a format which can easily be interrogated.
EntityMaps	An EntityMaps object contains a number of EntityMap objects and can be used to represent the changes in an EntityMap over time or to track the entities of a graph over some other metric.
EntitySeed	An EntitySeed contains a single vertex for an Entity.
EntitySerialiser	Serialiser to serialise and deserialise Entity objects in a byte array representation.
Error	Simple serialisable POJO for containing details of errors.
Error.ErrorBuilder
ErrorFactory	Static utility class to standardise the instantiation of Error objects.
ExampleBinder	HK2 binder class to facilitate dependency injection with Jersey.
ExampleDomainObject
ExampleDomainObjectGenerator
ExampleElementGenerator
ExampleFilterFunction
ExamplesFactory	An ExampleFactory creates examples of Operations
ExamplesService	Implementation of the IExamplesService.
ExamplesServiceV2
ExampleTransformFunction
ExecutorService	An ExecutorService that can schedule commands to run after a given delay, or to execute periodically.
Export	The base interface for Operations which export results.
Export.Builder<OP extends Export,B extends Export.Builder<OP,?>>
Exporter	An Exporter can store data of any kind and retrieve it.
ExportOperationHandler<EXPORT extends Export & Operation,EXPORTER extends Exporter>	Abstract class describing how to handle Export operations.
ExportTo<T>	An ExportTo is an operation which exports data from a source to a specified output.
ExportTo.Builder<OP extends ExportTo<T>,T,B extends ExportTo.Builder<OP,T,?>>
ExportToGafferResultCache<T>	An ExportToGafferResultCache Export operation exports results into a cache.
ExportToGafferResultCache.Builder<T>
ExportToGafferResultCacheHandler	A ExportToGafferResultCacheHandler is an OperationHandler used to export results to a Gaffer results cache.
ExportToHandler<EXPORT extends ExportTo,EXPORTER extends Exporter>	Abstract class describing how to handle ExportTo operations.
ExportToLocalFile	A ExportToLocalFile operation that takes an Iterable of Strings and writes them to a local file.
ExportToLocalFile.Builder
ExportToLocalFileHandler
ExportToOtherAuthorisedGraph	A ExportToOtherAuthorisedGraph operation is used to export the results of carrying out a query on a Gaffer Graph to a different graph.
ExportToOtherAuthorisedGraph.Builder
ExportToOtherAuthorisedGraphHandler
ExportToOtherGraph	A ExportToOtherGraph operation is used to export the results of carrying out a query on a Gaffer Graph to a different graph.
ExportToOtherGraph.Builder
ExportToOtherGraphHandler
ExportToSet<T>	An ExportToSet Export operation exports results to a Set.
ExportToSet.Builder<T>
ExportToSetHandler	Implementation of the ExportToHandler abstract class to export objects to a Set via a SetExporter.
ExtractGroup	An ExtractGroup is a KorypheFunction for extracting a group from an Element.
ExtractId	An ExtractId is a KorypheFunction for simplifying the process of extracting the object associated with a provided IdentifierType.
ExtractProperty	An ExtractProperty is a KorypheFunction for simplifying the process of extracting a property from an Element.
ExtractWalkEdges	An ExtractWalkEdges is a utility KorypheFunction for extracting the List of Sets of Gaffer Edges, from a provided Walk object.
ExtractWalkEdgesFromHop	An ExtractWalkEdgesFromHop is a utility KorypheFunction for extracting the Set of Gaffer Edges from a provided Walk object, at a given hop.
ExtractWalkEntities	An ExtractWalkEntities is a utility KorypheFunction for extracting the List of Sets of Gaffer Entitys, from a provided Walk object.
ExtractWalkEntitiesFromHop	An ExtractWalkEntitiesFromHop is a utility KorypheFunction for extracting the Set of Gaffer Entitys from a provided Walk object, for a given hop.
ExtractWalkVertex	An ExtractWalkVertex is a utility KorypheFunction, for simplifying the extraction of the starting Vertex from a Walk object.
FactoriesBinder	HK2 binder class to facilitate dependency injection with Jersey.
FactoryConfig
FederatedAccess	Deprecated. Will be replaced by a GraphAccess class in 2.4.0.
FederatedAccess.Builder
FederatedAddGraphHandler	A handler for AddGraph operation for the FederatedStore.
FederatedAddGraphHandlerParent<OP extends AddGraph>	A handler for operations that addGraph to the FederatedStore.
FederatedAddGraphWithHooksHandler	A handler for AddGraphWithHooks operation for the FederatedStore.
FederatedChangeGraphAccessHandler	A handler for ChangeGraphAccess operation for the FederatedStore.
FederatedChangeGraphIdHandler	A handler for ChangeGraphId operation for the FederatedStore.
FederatedDelegateToHandler
FederatedGetAllGraphIDHandler
FederatedGetAllGraphInfoHandler
FederatedGraphAccessPredicate	Deprecated. Marked for removal in 2.4.0 please use standard AccessPredicates going forward.
FederatedGraphReadAccessPredicate	Deprecated. Marked for removal in 2.4.0 please use standard AccessPredicates going forward.
FederatedGraphReadUserPredicate	Deprecated. Marked for removal in 2.4.0 please use standard DefaultUserPredicate going forward.
FederatedGraphStorage	Deprecated. Will be removed in 2.4.0.
FederatedGraphWriteAccessPredicate	Deprecated. Marked for removal in 2.4.0 please use standard AccessPredicates going forward.
FederatedGraphWriteUserPredicate	Deprecated. Marked for removal in 2.4.0 please use standard DefaultUserPredicate going forward.
FederatedJoinHandler<I>
FederatedNoOutputHandler<PAYLOAD extends Operation>	Operation handler for the federation of an PAYLOAD operation with an expected return type of Void/Null.
FederatedOperation<INPUT,OUTPUT>	Deprecated. Concept of a FederatedOperation class will not exist from 2.4.0, all federation specifics are handled via operation options.
FederatedOperation.Builder
FederatedOperation.BuilderParent<INPUT,OUTPUT>
FederatedOperationChainValidator	Extends OperationChainValidator and uses the FederatedStore to get the merged schema based on the operation options.
FederatedOperationChainValidator	Validation class for validating OperationChains against ViewValidators using the Federated Store schemas.
FederatedOperationHandler<P extends Operation>	Main default handler for federated operations.
FederatedOperationHandler<INPUT,OUTPUT>	FederatedOperation handler for the federation of an PAYLOAD operation with an expected return type OUTPUT
FederatedOutputHandler<P extends Output<O>,O>	A sub class operation handler for federation that can process operations that have an output associated with them.
FederatedOutputHandler<PAYLOAD extends Output<OUTPUT>,OUTPUT>	Handler for the federation of an PAYLOAD operation with an expected return type Iterable
FederatedOutputIterableHandler<PAYLOAD extends Output<Iterable<? extends ITERABLE_ELEMENTS>>,ITERABLE_ELEMENTS>	Handler for the federation of an PAYLOAD operation with an expected return type Iterable
FederatedRemoveGraphAndDeleteAllDataHandler	A handler for RemoveGraph operation for the FederatedStore.
FederatedRemoveGraphHandler	A handler for RemoveGraph operation for the FederatedStore.
FederatedResultAccumulator<T>	Abstract base class for accumulators that merge results from multiple graphs together.
FederatedStore	The federated store implementation.
FederatedStore	A Store that encapsulates a collection of sub-graphs and executes operations against them and returns results as though it was a single graph.
FederatedStoreCache	Deprecated. Federated store will use the default cache implementation going forward.
FederatedStoreCacheTransient	Deprecated. Federated store will use the default cache implementation going forward.
FederatedStoreConstants
FederatedStoreProperties
FederatedStoreProperties	Additional StoreProperties for the FederatedStore.
FederatedStoreUtil
FederatedStoreUtil.SerialisableConfiguredMergeFunctionsMap
FederatedViewValidator
FederatedWhileHandler	An operation handler for While operations.
FieldUtil	Utility methods for a field
FileGraphLibrary	A FileGraphLibrary stores a GraphLibrary in a specified location as files.
Filter	A Filter operation applies ElementFilter(s) to the provided Iterable of Elements and returns an Iterable.
Filter.Builder
FilterHandler
FiltersToOperationConverter	Converts a give View and array of Spark Filters to an operation that returns data with as many of the filters as possible converted to Gaffer filters and added to the view.
FilterStreamSupplier	A StreamSupplier which uses a Filter to filter the Iterable input into an Iterable output.
FilterValidator	An implementation of FunctionValidator, used for validating a Filter function.
FlatMapStreamSupplier<T,U>	A StreamSupplier which uses a Function to convert the input objects into output objects.
FlinkConstants
ForEach<I,O>	A ForEach operation runs the supplied operation on an Iterable of inputs.
ForEach.Builder<I,O>
ForEachHandler<I,O>	An OperationHandler for the ForEach Operation.
FreqMap	FreqMap extends HashMap with String keys and Long values, adding an upsert operation.
FreqMapAggregator	An FreqMapAggregator is a KorypheBinaryOperator that takes in FreqMaps and merges the frequencies together.
FreqMapConverter	A Converter that converts a FreqMap into a Scala map that is suitable for inclusion in a Dataframe.
FreqMapExtractor	A FreqMapExtractor is a KorypheFunction that extracts a count from a frequency map for the provided key.
FreqMapKryoSerializer	A FreqMapKryoSerializer is a Kryo Serializer for a Gaffer FreqMap
FreqMapPredicator	A FreqMapPredicator is a KorypheFunction that extracts a a clone of the current frequency map provided a valid KoryphePredicate.
FreqMapSerialiser	A FreqMapSerialiser serialises and deserialises FreqMaps.
FromElementId	A FromElementId takes an ElementId and if it is an EntityIds it will unwrap the vertex.
FromEntityId	A FromEntityId takes an EntityId and unwraps the vertex.
FullJoin	A Full Join returns the LEFT and RIGHT regardless of whether they match
Function	A Function is a Gaffer Operation that can be applied in an OperationChain.
FunctionAuthoriser	The FunctionAuthoriser is a GraphHook which stops a user running Functions which have been banned.
FunctionAuthoriserUtil
FunctionValidator<T extends Function>	A FunctionValidator is a superclass of Validators for Gaffer functions.
GafferAdder	Helper class to add Elements to a Gaffer store.
GafferCheckedException	Subtype of Exception with additional constructors to support the inclusion of a HTTP error message along with the other exception details.
GafferCheckedExceptionMapper	Jersey ExceptionMapper to be used to handle GafferCheckedExceptions.
GafferCollectors	Java 8 Collectors for Gaffer, based on the Collectors class.
GafferCustomTypeFactory	Class that helps the conversion between Gaffer custom types and standard types that Tinkerpop supports.
GafferEdgeGenerator
GafferEntityGenerator
GafferExceptionMapper
GafferHeaderFilter	Filter which adds the Gaffer headers to every response
GafferKeyRangePartitioner	Copy of KeyRangePartitioner and swaps the RangePartitioner for the GafferRangePartitioner to fix a bug with opening the split points file.
GafferMapFunction<T>	Implementation of FlatMapFunction to allow CSV strings representing Elements to be mapped to Element objects.
GafferMapper<KEY_IN,VALUE_IN,KEY_OUT,VALUE_OUT>	An GafferMapper is a Mapper that uses a MapperGenerator to map the input data into Elements and then delegates the elements to an abstract map method to serialise them and add them to the job map context.
GafferOutput	Implementation of RichOutputFormat for Gaffer to allow Elements to be consumed from external sources.
GafferPopEdge	A GafferPopEdge is an GafferPopElement and Edge.
GafferPopEdgeGenerator
GafferPopElement	A GafferPopElement is an Element.
GafferPopElementGenerator
GafferPopGraph	A GafferPopGraph is an implementation of Graph.
GafferPopGraph.DefaultIdManager	Types of ID managers available for this graph (mainly used for testing).
GafferPopGraph.HasStepFilterStage
GafferPopGraphFeatures
GafferPopGraphFeatures.GafferPopGraphEdgeFeatures
GafferPopGraphFeatures.GafferPopGraphGraphFeatures
GafferPopGraphFeatures.GafferPopGraphVertexFeatures
GafferPopGraphFeatures.GafferPopGraphVertexPropertyFeatures
GafferPopGraphStep<S,E extends org.apache.tinkerpop.gremlin.structure.Element>	Custom GafferPop GraphStep provides Gaffer specific optimisations for the initial GraphStep in a query.
GafferPopGraphStepStrategy	The GraphStep strategy for GafferPop, this will replace the default GraphStep of a query to add Gaffer optimisations.
GafferPopGraphVariables
GafferPopGremlinPlugin
GafferPopHasContainer	Wrapper class for Gremlin HasContainer.
GafferPopHasStep<S extends org.apache.tinkerpop.gremlin.structure.Element>	Custom GafferPop HasStep.
GafferPopHasStepStrategy
GafferPopNamedOperationService<I,R>	Service for running Gaffer Named Operations
GafferPopNamedOperationServiceFactory<I,R>
GafferPopProperty<V>
GafferPopVertex	A GafferPopEdge is an GafferPopElement and Vertex.
GafferPopVertexGenerator
GafferPopVertexProperty<V>
GafferPopVertexStep<E extends org.apache.tinkerpop.gremlin.structure.Element>	Custom GafferPop VertexStep.
GafferPopVertexStepStrategy	Optimisation strategy to reduce the number of Gaffer operations performed.
GafferPredicateFactory
GafferRangePartitioner	Copy of RangePartitioner but with a fix for opening the cut points file.
GafferReducer<KEY,VALUE>	Reducer for use in bulk import of data into a Gaffer Store.
GafferResultCacheExporter	Implementation of the Exporter interface for exporting the results of a Gaffer query to a Graph-backed results cache.
GafferResultCacheUtil	Utility methods for maintaining a Gaffer result cache.
GafferRuntimeException	Subtype of RuntimeException with additional constructors to support the inclusion of a HTTP error message along with the other exception details.
GafferRuntimeExceptionMapper	Jersey ExceptionMapper to be used to handle GafferRuntimeExceptions.
GafferSink
GafferVertexUtils
GafferWebApplication
GafferWrappedErrorRuntimeException	Subtype of RuntimeException that wraps an Error.
GenerateElements<OBJ>	An GenerateElements operation generates an Iterable of Elements from an Iterable of objects.
GenerateElements.Builder<OBJ>
GenerateElementsHandler<OBJ>	An GenerateElementsHandler handles GenerateElements operations.
GenerateObjects<OBJ>	An GenerateObjects operation generates an Iterable of objects from an Iterable of Elements.
GenerateObjects.Builder<OBJ>
GenerateObjectsHandler<OBJ>	An GenerateObjectsHandler handles GenerateObjects operations.
GenerateSplitPointsFromSample<T>	The GenerateSplitPointsFromSample operation takes an Iterable sample and generates a List of split points from that.
GenerateSplitPointsFromSample.Builder<T>
GenerateSplitPointsFromSampleHandler
GenericExceptionMapper	Jersey ExceptionMapper to be used when no specific exception mapper instance exists.
GenericInput<I>	A GenericInput is an Input operation that has a generic input type, where the input value could be a single Object or an array of Objects.
GenericInput.InputWrapper
GenericInput.InputWrapperNoTypeInfo
GenericInput.MultiInputWrapper
GetAdjacentIds	A GetAdjacentIds operation will return the vertex at the opposite end of connected edges to a provided seed vertex.
GetAdjacentIds.Builder
GetAdjacentIdsHandler
GetAdjacentIdsHandler	An OutputOperationHandler for the GetAdjacentIds operation on the MapStore.
GetAllElements	Extends GetAllElements, but fetches all elements from the graph that are compatible with the provided view.
GetAllElements.Builder
GetAllElementsHandler
GetAllElementsHandler	An OutputOperationHandler for the GetAllElements operation on the MapStore.
GetAllGraphIds
GetAllGraphIds	An Operation to get all the graphIds within scope of the FederatedStore.
GetAllGraphIds.Builder
GetAllGraphIds.Builder
GetAllGraphIdsHandler
GetAllGraphInfo
GetAllGraphInfo	Gets graph info of selected Graphs from the FederatedStore.
GetAllGraphInfo.Builder
GetAllGraphInfo.Builder
GetAllGraphInfoHandler	Simple handler for getting information about the graphs contained in the federated store
GetAllJobDetails	A GetAllJobDetails operation is used to retrieve all of the JobDetails related to a Gaffer graph.
GetAllJobDetails.Builder
GetAllJobDetailsHandler	A GetAllJobDetailsHandler handles GetAllJobDetails operations by querying the configured store's job tracker for all job information.
GetAllNamedOperations	A GetAllNamedOperations is an Operation for retrieving all NamedOperations associated with a Gaffer graph.
GetAllNamedOperations.Builder
GetAllNamedOperationsHandler	Operation Handler for GetAllNamedOperations
GetAllNamedViews	A GetAllNamedViews is an Operation for retrieving all NamedViews associated with a Gaffer graph.
GetAllNamedViews.Builder
GetAllNamedViewsHandler	Operation Handler for GetAllNamedViews which returns all NamedViews from the cache.
GetDataFrameOfElements	An Operation that returns an Apache Spark DataFrame (i.e.
GetDataFrameOfElements.Builder
GetDataFrameOfElementsHandler
GetElements	Gets elements from Gaffer based on ElementIds as seeds and returns Elements There are various flags to filter out the elements returned: Equal will only return Elements with identifiers that match the seed exactly.
GetElements.Builder
GetElementsBetweenSets	Deprecated.
GetElementsBetweenSets.Builder
GetElementsBetweenSetsHandler	Deprecated.
GetElementsBetweenSetsPairs	Given a Pair of sets of EntityIds, this retrieves all Edges where one end is in the first set and the other end is in the second set.
GetElementsBetweenSetsPairs.Builder
GetElementsBetweenSetsPairsHandler
GetElementsHandler
GetElementsHandler	An OutputOperationHandler for the GetElements operation on the MapStore.
GetElementsInRanges	This returns all data between the provided ElementIds.
GetElementsInRanges.Builder
GetElementsInRangesHandler
GetElementsUtil	Utility methods used by the handlers for the GetElements operations in the MapStore.
GetElementsWithinSet	Retrieves Edges where both ends are in a given set and/or Entitys where the vertex is in the set.
GetElementsWithinSet.Builder
GetElementsWithinSetHandler
GetExport	A GetExport is an Operation to retrieve the details of an Export operation.
GetExport.Builder<OP extends GetExport,B extends GetExport.Builder<OP,?>>
GetExportHandler<EXPORT extends GetExport & Operation,EXPORTER extends Exporter>	Abstract class describing how to handle GetExport operations.
GetExports	A GetExports operation gets multiple exports and returns then in a Map.
GetExports.Builder
GetExportsHandler	Handler for GetExports operations.
GetFromCacheHook
GetFromEndpoint	A GetFromEndpoint is an Operation that will fetch data from a provided endpoint.
GetFromEndpoint.Builder
GetFromEndpointHandler
GetGafferResultCacheExport	A GetGafferResultCacheExport operation is used to retrieve data which has previously been exported to a Gaffer results cache.
GetGafferResultCacheExport.Builder
GetGafferResultCacheExportHandler	Specific handler for handling GetGafferResultCacheExport operations using a GafferResultCacheExporter as the exporter class.
GetGraphCreatedTime
GetGraphCreatedTime.Builder
GetGraphCreatedTimeHandler	A GetGraphCreatedTimeHandler handles GetGraphCreatedTime operations.
GetGraphFrameOfElements	An Operation that returns an Apache Spark GraphFrame (i.e.
GetGraphFrameOfElements.Builder
GetGraphFrameOfElementsHandler	A GetGraphFrameOfElementsHandler handles GetGraphFrameOfElements operations.
GetJavaRDDOfAllElements	A GetJavaRDDOfAllElements operation retrieves all the Elements from the target store, and returns them inside a JavaRDD.
GetJavaRDDOfAllElements.Builder
GetJavaRDDOfAllElementsHandler	A handler for the GetJavaRDDOfAllElements operation.
GetJavaRDDOfElements	A GetJavaRDDOfElements operation retrieves all the Elements for the input seeds from the target store, and returns them inside a JavaRDD.
GetJavaRDDOfElements.Builder
GetJavaRDDOfElementsHandler
GetJavaRDDOfElementsInRanges
GetJavaRDDOfElementsInRanges.Builder
GetJavaRDDOfElementsInRangesHandler
GetJobDetails	A GetJobDetails operation is used to retrieve the details of a single job from a Gaffer graph.
GetJobDetails.Builder
GetJobDetailsHandler	A GetJobDetailsHandler handles GetJobDetails operations by querying the configured store's job tracker for the required job details.
GetJobResults	A GetJobResults operation is used to retrieve the results of executing a job on a Gaffer graph.
GetJobResults.Builder
GetJobResultsHandler	A GetJobResultsHandler handles GetJobResults operations by querying the configured store's job tracker for the required job results.
GetProxyProperties
GetProxyProperties.Builder
GetProxyPropertiesHandler
GetProxyUrl
GetProxyUrl.Builder
GetProxyUrlHandler
GetRDDOfAllElements	A GetRDDOfAllElements operation retrieves all the Elements from the target store, and returns them inside a RDD.
GetRDDOfAllElements.Builder
GetRDDOfAllElementsHandler	A handler for the GetRDDOfAllElements operation.
GetRDDOfAllElementsHandler.EntryIteratorToElementIterator
GetRDDOfAllElementsHandler.EntryToElement
GetRDDOfAllElementsHandler.FilterOutNull
GetRDDOfElements	A GetRDDOfElements operation retrieves all the Elements for the input seeds from the target store, and returns them inside a RDD.
GetRDDOfElements.Builder
GetRDDOfElementsHandler
GetRDDOfElementsInRanges
GetRDDOfElementsInRanges.Builder
GetRDDOfElementsInRangesHandler
GetSchema	A GetSchema is an Operation which returns either the compact or full Schema for a Gaffer Store.
GetSchema.Builder
GetSchemaHandler	Simple handler for merging schemas from multiple graphs.
GetSchemaHandler	A GetSchemaHandler handles the GetSchema operation.
GetSetExport	An GetSetExport GetExport operation gets exported Set results.
GetSetExport.Builder
GetSetExportHandler	Implementation of the GetExportHandler to retrieve exported created by a SetExporter.
GetTraits	An Operation used for getting traits from the Store.
GetTraits.Builder
GetTraitsHandler
GetVariable
GetVariable.Builder
GetVariableHandler
GetVariables
GetVariables.Builder
GetVariablesHandler
GetWalks	A GetWalks class is used to retrieve all of the walks in a graph starting from one of a set of provided EntityIds, with a maximum length.
GetWalks.Builder
GetWalksHandler	An operation handler for GetWalks operations.
GlobalViewElementDefinition	A GlobalViewElementDefinition is an ViewElementDefinition containing a Set of group names.
GlobalViewElementDefinition.BaseBuilder<CHILD_CLASS extends GlobalViewElementDefinition.BaseBuilder<?>>
GlobalViewElementDefinition.Builder
Graph	The Graph separates the user from the Store.
Graph.Builder	Builder for Graph.
GraphAccess	Access control for a Graph that as been added through a federated store.
GraphAccess.Builder
GraphConfig	GraphConfig contains configuration for Graphs.
GraphConfig.Builder
GraphConfigurationController
GraphConfigurationService	An implementation of IGraphConfigurationService.
GraphConfigurationServiceV2	An implementation of IGraphConfigurationServiceV2.
GraphDelegate	Delegation class used to create a graph from the various combinations of settings.
GraphDelegate.BaseBuilder<BUILDER extends GraphDelegate.BaseBuilder>
GraphDelegate.Builder
GraphFactory	A GraphFactory creates instances of Graph to be reused for all queries.
GraphFilters	A GraphFilters is an Operation which performs additional filtering on the Edges returned.
GraphFilters.Builder<OP extends GraphFilters,B extends GraphFilters.Builder<OP,?>>
GraphForExportDelegate
GraphForExportDelegate.Builder
GraphFrameToIterableRow	A Function to convert a GraphFrame into an Iterable of Rows.
GraphHook	A GraphHook can be registered with a Graph and will be triggered before and after operation chains are executed on the graph.
GraphHookException	Generic runtime exception for errors relating to graph hooks.
GraphHookPath	A GraphHookPath allows GraphHooks to be defined as paths to other graph hooks.
GraphHookSuffixException	Runtime exception for issues with the graph hook suffix
GraphLibrary	A GraphLibrary stores a graphId and its related Schema and StoreProperties.
GraphRequest<O>	A GraphRequest is a request that will be executed on a Gaffer Graph.
GraphResult<O>
GraphSerialisable	A Serialisable object which holds the contents for creating Graphs.
GraphSerialisable.Builder
GraphWindow	A GraphWindow is an immutable in-memory representation of a graph.
GremlinConfig
GremlinController
GremlinWebSocketConfig
GremlinWebSocketHandler	Websocket handler for accepting and responding to Gremlin queries.
GroupCounts	Summary of element groups.
GroupedProperties	GroupedProperties are just Properties with the Element group attached.
GroupedPropertiesSerialiser	Serialiser to serialise and deserialise GroupedProperties objects in a byte array representation.
GroupUtil	Utility methods for Schema groups.
HashMapCache<K,V>	Simple implementation of the ICache interface, using a HashMap as the cache data store.
HashMapCacheService	Simple implementation of the ICacheService interface which uses a HashMapCache as the cache implementation.
HashMapGraphLibrary	A HashMapGraphLibrary stores a GraphLibrary within three HashMaps.
HasTrait	An Operation that will see if a Store has a given trait.
HasTrait.Builder
HasTraitHandler
HazelcastCache<K,V>	Implementation of the ICache interface, using a Hazelcast IMap as the cache data store.
HazelcastCacheService	Implementation of the ICacheService interface which uses a HazelcastCache as the cache implementation.
HdfsSplitStoreFromFileHandler
HllSketchAggregator	A HllSketchAggregator is a BinaryOperator that takes in HllSketchs and merges them together using a Union.
HllSketchEntityGenerator	Generates HllSketch Entities for each end of an Edge.
HllSketchIsLessThan	An HllSketch is a Predicate that simply checks that the input HllSketch cardinality is less than a control value.
HllSketchJsonConstants
HllSketchJsonDeserialiser	A HllSketchJsonDeserialiser deserialises HllSketch objects.
HllSketchJsonSerialiser	A HllSketchJsonSerialiser serialises HllSketch objects.
HllSketchKryoSerializer	A HllSketchKryoSerializer is a Kryo Serializer for a HllSketch
HllSketchSerialiser	A HllSketchSerialiser serialises a HllSketch using its toCompactByteArray() method.
HllSketchWithValues	A HllSketchWithValues is a wrapper around the HllSketch object which helps Gaffer deserialise them.
HllUnionAggregator	A HllUnionAggregator is a BinaryOperator that takes in Unions and merges them together using Union.update(org.apache.datasketches.hll.HllSketch).
HllUnionKryoSerializer	A HllUnionKryoSerializer is a Kryo Serializer for a Union
HllUnionSerialiser	A HllUnionSerialiser serialises a Union using its toCompactByteArray() method.
HyperLogLogPlusAggregator	Deprecated.
HyperLogLogPlusConverter	Deprecated.
HyperLogLogPlusEntityGenerator	Deprecated.
HyperLogLogPlusIsLessThan	Deprecated.
HyperLogLogPlusJsonConstants
HyperLogLogPlusJsonDeserialiser	Deprecated.
HyperLogLogPlusJsonSerialiser	Deprecated.
HyperLogLogPlusKryoSerializer	Deprecated.
HyperLogLogPlusSerialiser	Deprecated.
HyperLogLogPlusWithOffers	Deprecated.
ICache<K,V>	Interface that All cache objects must abide by so components may instantiate any implementation of a cache - no matter what cache it is.
ICacheService	The cache service interface which enables the cache service loader to instantiate any service no matter the implementation.
IdentifierType	The IdentifierType enum contains the identifier types used for Entitys and Edges.
IExamplesService	An IExamplesService has methods to produce example Operations to be applied to the methods in IOperationService.
IExamplesServiceV2	An IExamplesServiceV2 has methods to produce example Operations to be applied to the methods in IOperationServiceV2.
If<I,O>	A If is an Operation which will execute one of two Operations, based on the result of testing an input Object against a provided Predicate.
If.Builder<I,O>
IFederatedOperation	Deprecated. Concept of a FederatedOperation class will not exist from 2.4.0, all federation specifics are handled via operation options.
IFederationOperation	Deprecated. Concept of a FederatedOperation class will not exist from 2.4.0, all federation specifics are handled via operation options.
IFederationOperation.BaseBuilder<OP extends IFederationOperation,B extends Operation.BaseBuilder<OP,?>>
IfHandler	An operation handler for If operations.
IfScoreResolver	An IfScoreResolver is an implementation of ScoreResolver for the If operation.
IGraphConfigurationService	An IGraphConfigurationService has methods to get Graph configuration information such as the Schema and available Operations.
IGraphConfigurationServiceV2	An IGraphConfigurationService has methods to get Graph configuration information such as the Schema and available Operations.
IJobService	An IJobService handles jobs - executing Jobs and getting Job statuses.
IJobServiceV2	An IJobService handles jobs - executing Jobs and getting Job statuses.
ImportAccumuloKeyValueFiles
ImportAccumuloKeyValueFiles.Builder
ImportAccumuloKeyValueFilesHandler
ImportElementsToAccumuloTool
ImportFromLocalFile	An ImportFromLocalFile GetExport operation gets exported Set results.
ImportFromLocalFile.Builder
ImportFromLocalFileHandler	Implementation of the GetExportHandler to retrieve exported created by a LocalFileExporter.
ImportJavaRDDOfElements
ImportJavaRDDOfElements.Builder
ImportJavaRDDOfElementsHandler
ImportKeyValueJavaPairRDDToAccumulo
ImportKeyValueJavaPairRDDToAccumulo.Builder
ImportKeyValueJavaPairRDDToAccumuloHandler
ImportKeyValuePairRDDToAccumulo
ImportKeyValuePairRDDToAccumulo.Builder
ImportKeyValuePairRDDToAccumuloHandler
ImportRDDOfElements	A ImportRDDOfElements takes a RDD containing Elements and adds them to a target Gaffer store.
ImportRDDOfElements.Builder
ImportRDDOfElementsHandler
IndexGenerator
IngestUtils	Utility methods for adding data to Accumulo.
InjectedFromStoreITsSuite
InnerJoin	InnerJoin is a join function which only returns keys and matching values.
Input<I>	Input operations are any Gaffer operations which consume a single input.
Input.Builder<OP extends Input<I>,I,B extends Input.Builder<OP,I,?>>
InputB<I>	Deprecated.
InputB.Builder<OP extends InputB<I>,I,B extends InputB.Builder<OP,I,?>>
InputOutput<I,O>	InputOutput operations are Gaffer operations which consume a single input and transforms that input into an output type.
InputOutput.Builder<OP extends InputOutput<I,O>,I,O,B extends InputOutput.Builder<OP,I,O,?>>
IntegrationTestSuite	Getter/setter class.
IntegrationTestSuiteExtension	The IntegrationTestSuiteExtension retrieves the Schema, the StoreProperties and the tests-to-skip Map from the IntegrationTestSuite class.
IOperationService	An IOperationService has methods to execute Operations on the Graph.
IOperationServiceV2	An IOperationServiceV2 has methods to execute Operations on the Graph.
IPropertiesServiceV2	An IPropertiesServiceV2 has methods to GET a list of configured system properties
IsEdgeValidator	A IsEdgeValidator is a simple Validator to validate if an Element is an instance of an Edge.
IsElementValidator	A IsElementValidator is a simple Validator to validate if an object is an instance of Element.
IsEntityValidator	A IsEdgeValidator is a simple Validator to validate if an Element is an instance of an Entity.
IStatusService	An StatusService has methods to check the status of the system
IStatusServiceV2	An StatusService has methods to check the status of the system
IterableDeserializer	Custom deserialisation class for any classes implementing the Iterable interface.
IterableToFreqMap	An IterableToFreqMap is a Function which creates a FreqMap from an Iterable of Strings.
IterableToHllSketch	Creates a new HllSketch instance and initialises it from the given iterable.
IterableToHyperLogLogPlus	Deprecated.
IteratorException
IteratorOptionsBuilder
IteratorSettingBuilder
IteratorSettingException
IteratorSettingFactory	The iterator settings factory is designed to enable the AccumuloStore to easily set all iterators that will be commonly required by different implementations of the key.
JavaSerialiser	This class is used to serialise and deserialise objects in java.
JaxRsErrorFactory	Static utility class to standardise the instantiation of Error objects from WebApplicationExceptions.
JcsCache<K,V>	Implementation of the ICache interface, using a JCS GroupCacheAccess object as the cache data store.
JcsCacheService	Implementation of the ICacheService interface which uses a JcsCache as the cache implementation.
Job	POJO containing details of a scheduled Gaffer job, a Repeat and an Operation.
JobController
JobDetail	POJO containing details of a Gaffer job.
JobDetail.Builder
JobFactory<O extends MapReduce>
JobInitialiser	A JobInitialiser initialises a job.
JobService	An implementation of IJobService.
JobServiceV2	An implementation of IJobServiceV2.
JobStatus	Denotes the status of a Gaffer job.
JobTracker	A JobTracker is an entry in a Gaffer cache service which is used to store details of jobs submitted to the graph.
Join<I>	A Join Operation is used to join two Iterables together, specifying a match and merge method.
Join.Builder<I>
JoinFunction	Used by the Join Operation to join two Lists together.
JoinHandler<I>
JoinType
JsonMapperGenerator	A JsonMapperGenerator is a MapperGenerator that can handle json input data and convert it into an Iterable of Elements.
JsonSerialisationConfig
JsonSerialisationUtil	A utility class containing methods relevant to JSON Serialisation and Deserialisation.
JSONSerialiser	A JSONSerialiser provides the ability to serialise and deserialise to/from JSON.
JSONSerialiserModules	A JSONSerialiserModuleFactory is a simple factory that returns a list of Modules to be uses in an ObjectMapper in JSONSerialiser.
JsonToElementGenerator	Implementation of a OneToOneElementGenerator to convert JSON strings into Element objects.
JsonUtil	Utility methods for various JSON representations in Gaffer.
KeyFunctionMatch	A KeyFunctionMatch is a Match which takes two key functions which are used to extract keys from two inputs.
KeyFunctionMatch.Builder
KllFloatsSketchAggregator	A KllFloatsSketchAggregator is a KorypheBinaryOperator that aggregates KllFloatsSketchs.
KllFloatsSketchSerialiser	A KllFloatsSketchSerialiser serialises a KllFloatsSketch using its toByteArray() method.
LazyEdge	An LazyEdge wraps an Edge and lazily loads identifiers and properties when requested using a provided ElementValueLoader.
LazyEntity	An LazyEntity wraps an Entity and lazily loads the identifier and properties when requested using a provided ElementValueLoader.
LazyFoldStep<S>	A Lazy implementation of the FoldStep Folds to a lazy iterable
LazyProperties	LazyProperties wraps Properties and lazily loads property values when requested using a provided ElementValueLoader.
LegacySupport	A utility class to provide static methods which map to a single import.
LegacySupport.BackwardsCompatibleCachableBlockFileReader
LegacySupport.BackwardsCompatibleReaderBuilder
LegacySupport.BackwardsCompatibleRFileWriter
LegacySupport.BackwardsCompatibleWriterBuilder
LegacySupport.InputConfigurator
LengthValueBytesSerialiserUtil	Utility methods for serialising objects to length-value byte arrays.
LengthValueBytesSerialiserUtil.LengthValueBuilder
LengthValueBytesSerialiserUtil.ObjectCarriage<T>
Limit<T>	A Limit operation takes in an Iterable of items and limits the iterable to a given number of items.
Limit.Builder<T>
LimitedInMemorySortedIterable<E>	An Iterable which can sort, limit and deduplicate its elements.
LimitExceededException	A LimitExceededException is a RuntimeException that will be thrown when an operation exceeds, or would exceed, some constraining limit.
LimitHandler<T>	An LimitHandler handles for Limit operations.
LocalFileExporter	Implementation of the Exporter interface for exporting an Iterable of strings to a local file.
Log4jLogger	A Log4jLogger is a simple GraphHook that sends logs of the original operation chains executed by users on a graph to a Logger.
LongsSketchAggregator	A LongsSketchAggregator is a BinaryOperator that takes in LongsSketchs and merges them together using LongsSketch.merge(LongsSketch).
LongsSketchKryoSerializer	A LongsSketchKryoSerializer is a Kryo Serializer for a LongsSketch
LongsSketchSerialiser	A LongsSketchSerialiser serialises a LongsSketch using its toByteArray() method.
LongTimeSeries	This is a time series where the values are Longs.
LongTimeSeries.Builder
LongTimeSeriesAggregator	A LongTimeSeriesAggregator is a BinaryOperator that takes in LongTimeSeriess and aggregates the time series.
LongUtil	Utility methods for Longs.
Map<I,O>	A Map is a Gaffer Operation which maps an input I to an output O by applying a supplied Function or List of Functions.
Map.Builder<I>
Map.OutputBuilder<I,O>
MapFactory	Interface describing factory classes for creating backing map instances to be used as the data store for a MapStore.
MapGenerator	A MapGenerator is a generator which creates a representation of an Element using a LinkedHashMap.
MapGenerator.Builder
MapHandler<I,O>	A MapHandler is a handler for the Map Operation
MapImpl	Map data store implementation use by the Gaffer MapStore class.
MapOfSets<K,V>
MapperGenerator<KEY_IN,VALUE_IN>	A MapperGenerator is used by the Hadoop job Mapper to convert the input key and value to an Iterable of Elements
MapReduce	This MapReduce class should be implemented for any Operations that run map reduce jobs.
MapReduce.Builder<OP extends MapReduce,B extends MapReduce.Builder<OP,?>>
MapSerialiser	This class is used to serialise and deserialise Maps.
MapStore	An implementation of Store that uses any class that implements Java's Map interface to store the Elements.
MapStoreProperties	Additional StoreProperties for the MapStore.
MapStreamSupplier<T,U>	A StreamSupplier which uses a Function to convert the input objects into output objects.
MapWrapper<K,V>	Wrapper class around the Java Map interface, providing some additional utility methods required by the Gaffer MapStore.
MaskTimestampSetByTimeRange	A MaskTimestampSetByTimeRange is a KorypheFunction that takes in a RBMBackedTimestampSet and filters the internal timestamps by a start time and end time.
MaskTimestampSetByTimeRange.Builder
Match
MatchKey	Used to specify whether the matching is done Left to Right (LEFT) or Right to Left (RIGHT)
Max	A Max operation is intended as a terminal operation for retrieving the "maximum" element from an Iterable of Elements.
Max.Builder
MaxHandler	A MaxHandler handles the Max operation.
MergeSchema
MigrateElement
MigrateElement.ElementType
Min	A Min operation is intended as a terminal operation for retrieving the "minimum" element from an Iterable of Elements.
Min.Builder
MinHandler	A MinHandler handles the Min operation.
MultiElementIdInput	MultiElementIdInput operations are Gaffer operations which consume multiple ElementIds.
MultiElementIdInput.Builder<OP extends MultiElementIdInput,B extends MultiElementIdInput.Builder<OP,?>>
MultiEntityIdInput	MultiEntityIdInput operations are Gaffer operations which consume multiple EntityIds.
MultiEntityIdInput.Builder<OP extends MultiEntityIdInput,B extends MultiEntityIdInput.Builder<OP,?>>
MultiEntityIdInputB	Deprecated.
MultiEntityIdInputB.Builder<OP extends MultiEntityIdInputB,B extends MultiEntityIdInputB.Builder<OP,?>>
MultiInput<I_ITEM>	MultiInput operations are Gaffer operations which consume more than one input.
MultiInput.Builder<OP extends MultiInput<I_ITEM>,I_ITEM,B extends MultiInput.Builder<OP,I_ITEM,?>>
MultiInputB<I_ITEM>	Deprecated.
MultiInputB.Builder<OP extends MultiInputB<I_ITEM>,I_ITEM,B extends MultiInputB.Builder<OP,I_ITEM,?>>
MultiMap<K,V>	Map-like data structure where keys may correspond to multiple values.
MultiSerialiser	This class is used to serialise and deserialise multiple object types.
MultiSerialiserStorage	Delegate for the storage of MultiSerialiser
MultiSerialiserStorage.SerialiserDetail
NamedOperation<I_ITEM,O>	Named operations enable encapsulation of an OperationChain into a new single NamedOperation.
NamedOperation.Builder<I_ITEM,O>
NamedOperationCache	Wrapper around the CacheServiceLoader to provide an interface for handling the NamedOperations for a Gaffer graph.
NamedOperationDetail	Simple POJO containing the details associated with a NamedOperation.
NamedOperationDetail.Builder
NamedOperationHandler	Operation handler for NamedOperation.
NamedOperationResolver	A GraphHook to resolve named operations.
NamedOperationScoreResolver	A NamedOperationScoreResolver will resolve the custom Operation Score for a provided NamedOperation by searching for it within the NamedOperationCache.
NamedOperationTypeReference	TypeReference objects for named operations.
NamedOperationTypeReference.IterableNamedOperationDetail
NamedView	A NamedView extends a View, defining the Elements to be returned for an operation.
NamedView.BaseBuilder<CHILD_CLASS extends NamedView.BaseBuilder<?>>
NamedView.Builder
NamedViewCache	Wrapper around the CacheServiceLoader to provide an interface for handling the NamedViews for a Gaffer graph.
NamedViewDetail	Simple POJO containing the details associated with a NamedView.
NamedViewDetail.Builder
NamedViewResolver	A GraphHook to resolve NamedViews.
NamedViewWriteAccessPredicate
NamedViewWriteUserPredicate
Neo4jCsvElementGenerator	An OpenCypherCsvElementGenerators that will generate Gaffer Elements from Neo4j CSV strings.
Neo4jCsvGenerator	Generates a Neo4j CSV string for each Element, based on the fields and constants provided.
NeptuneCsvElementGenerator	An OpenCypherCsvElementGenerators that will generate Gaffer Elements from Neptune CSV strings.
NeptuneCsvGenerator	Generates a Neptune CSV string for each Element, based on the fields and constants provided.
NoAccessPredicate	An AccessPredicate which never allows user access even if they are an administrator
NoAccessUserPredicate
NoGraphLibrary	A NoGraphLibrary will not store any relationships between graphIds, storePropertiesIds or schemaIds.
NoPartitioner	A NoPartioner can be used to tell a map reduce job not to use a Partitioner.
NullSerialiser	A NullSerialiser is a ToBytesSerialiser that always returns null regardless of the input.
ObjectGenerator<OBJ>	An ObjectGenerator converts Elements into domain objects.
ObjectMapperProvider
OneOrMore<T>	A OneOrMore in an Iterable that allows items to be added.
OneToManyElementGenerator<OBJ>	A OneToManyElementGenerator takes an input object and converts it into multiple output Elements.
OneToOneElementGenerator<OBJ>	A OneToOneElementGenerator takes an input object and converts it into an Element.
OneToOneObjectGenerator<OBJ>	A OneToOneObjectGenerator takes an input Element and converts it into an output object.
OpenCypherCsvElementGenerator	This is an abstract base class for ElementGenerators that will generate Gaffer Elements from OpenCypher-like CSV strings.
Operation	An Operation defines an operation to be processed on a graph.
Operation.BaseBuilder<OP extends Operation,B extends Operation.BaseBuilder<OP,?>>
Operation.Builder<OP,B extends Operation.Builder<OP,?>>
OperationAuthoriser	An OperationAuthoriser is a GraphHook that checks a user is authorised to execute an operation chain.
OperationChain<OUT>	An OperationChain holds a list of Operations that are chained together - ie.
OperationChain.Builder	A Builder is a type safe way of building an OperationChain.
OperationChain.NoOutputBuilder
OperationChain.OutputBuilder<OUT>
OperationChainDAO<OUT>	Simple data access object which enables the serialisation and deserialisation
OperationChainHandler<OUT>
OperationChainHandler<OUT>	A OperationChainHandler handles OperationChains.
OperationChainLimiter	An OperationChainLimiter is a GraphHook that checks a user is authorised to execute an operation chain based on that user's maximum chain score and the configured score value for each operation in the chain.
OperationChainOptimiser	Optimises and applies preprocessing to operation chains.
OperationChainValidator	Validation class for validating OperationChains against ViewValidators.
OperationController
OperationDeclaration	A single OperationDeclaration describes an operation handler.
OperationDeclaration.Builder
OperationDeclarations	Contains a list of Operations defined in a JSON file, referenced in the store.properties.
OperationDeclarations.Builder
OperationDetail
OperationException	An OperationException is thrown when an operation fails.
OperationField
OperationHandler<OP extends Operation>	An OperationHandler defines how to handle a specific Operation.
OperationHandlerUtil	Utilities for Operation Handlers.
Operations<T extends Operation>	An Operations will hold a list of Operations, which are often dealt with recursively.
OperationService	An implementation of IOperationService.
OperationServiceV2	An implementation of IOperationServiceV2.
OperationsResponseDeserialiser
OperationUtil	Utility methods for Operations.
OperationUtil	Utility methods for handling Operations.s
OperationUtil.UnknownGenericType
OperationView	An OperationView operation contains a View and can carry out additional validation based on the view contents.
OperationView.Builder<OP extends OperationView,B extends OperationView.Builder<OP,?>>
OperationWithSchemaHandler<OP extends Output<? extends O>,O>
OrderedDateSerialiser	An OrderedDateSerialiser serialises a Date to an array of bytes by directly converting the underlying long to a byte array.
OrderedDoubleSerialiser	An OrderedDoubleSerialser serialises a Double to an array of bytes by directly converting the double to a raw long and then converting this to a byte array.
OrderedFloatSerialiser	An OrderedFloatSerialser serialises a Float to an array of bytes by directly converting the float to a raw int and then converting this to a byte array.
OrderedIntegerSerialiser	An OrderedIntegerSerialser serialises a Integer to an array of bytes.
OrderedLongSerialiser	An OrderedLongSerialser serialises a Long to an array of bytes.
OriginFilter	Servlet filter to enforce some additional headers on HTTP responses from the Gaffer REST API.
OtelUtil
OtherGraphExporter	Implementation of the Exporter interface for exporting elements from one Gaffer Graph to another.
OuterJoin	OuterJoin is a Join function which returns MapTuples containing the keys which have no matches with the other side.
Output<O>	Output operations are Gaffer operations which yield an output.
Output.Builder<OP extends Output<O>,O,B extends Output.Builder<OP,O,?>>
OutputOperationHandler<OP extends Output<? extends O>,O>	An OutputOperationHandler defines how to handle a specific Output operations.
OverwritingException	An OverwritingException should be thrown when a condition will cause something to be overwritten.
Pair<F,S>	A simple class to contain a pair of items.
ParameterDetail	Simple POJO providing parameter details for NamedOperations.
ParameterDetail.Builder
PathParamConfig	This class stops the app interpreting /path/service/some.class.name as /path/service/some.class with Content Type of name.
ProcessingExceptionMapper	Jersey ExceptionMapper used to handle internal ProcessingExceptions thrown by the Jersey framework.
Properties	Properties simply extends HashMap with property names (String) as keys and property value (Object) as values.
PropertiesController
PropertiesFilter	An PropertiesFilter is a Predicate which evaluates a condition against a provided Properties object.
PropertiesFilter.Builder
PropertiesFilter.SelectedBuilder
PropertiesSerialiser<T>	Serialiser to serialise and deserialise objects containing Properties in a byte array representation.
PropertiesServiceV2	An implementation of IPropertiesServiceV2 that gets the configured system properties
PropertiesTransformer	A PropertiesTransformer is a Function which applies a series of transformations to an Properties object.
PropertiesTransformer.Builder
PropertiesTransformer.ExecutedBuilder
PropertiesTransformer.SelectedBuilder
PropertiesTuple	A PropertiesTuple implements Tuple wrapping a Properties and providing a getter and setter for the element's property values.
PropertiesUtil	Utility methods for Schema Properties.
PropertiesUtil	Utility class used to retrieve the Gaffer System Properties
ProxyProperties	Additional store properties for the ProxyStore.
ProxyStore	Gaffer ProxyStore implementation.
ProxyStore.Builder
ProxyStoreException
PrunedAdjacencyMaps	A PrunedAdjacencyMaps object represents a collection of AdjacencyMaps containing graph adjacency information.
Queries	This class runs simple java queries against the road traffic graph.
RangeFactory	The range factory is designed so that a List of Accumulo Ranges can be created from just a provided ElementId and GraphFilters.
RangeFactoryException
RBMBackedTimestampSet	An RBMBackedTimestampSet is an implementation of TimestampSet that stores timestamps truncated to a certain CommonTimeUtil.TimeBucket, e.g.
RBMBackedTimestampSet.Builder
RBMBackedTimestampSetAggregator	A RBMBackedTimestampSetAggregator is a BinaryOperator that takes in RBMBackedTimestampSets and merges the underlying RoaringBitmaps together.
RBMBackedTimestampSetInRange	Tests whether an RBMBackedTimestampSet contains a value in a given range.
RBMBackedTimestampSetSerialiser	A RBMBackedTimestampSetSerialiser serialises a RBMBackedTimestampSet to an array of bytes.
Reduce<T>	A Reduce is a Gaffer Operation which reduces an Iterable input of T to a single output value by applying a supplied BinaryOperator.
Reduce.Builder<T>
ReduceHandler<T>	A ReduceHandler is a handler for the Reduce Operation
ReduceRelatedElements	A ReduceRelatedElements is a KorypheFunction which takes an Iterable of Elements and combines all related elements using the provided aggregator functions.
Registrator	A custom KryoRegistrator that serializes Gaffer Entitys and Edges, as well as some of the DataSketches library.
RemoveGraph
RemoveGraph	An Operation used for removing graphs from a FederatedStore.
RemoveGraph.Builder
RemoveGraph.Builder
RemoveGraphAndDeleteAllData	Deprecated. Will be removed in 2.4.0, functionality will be merged into the RemoveGraph operation.
RemoveGraphAndDeleteAllData.Builder
RemoveGraphHandler
Repeat
RepeatItemIterable<T>	A RepeatItemIterable is an Iterable which contains multiple copies of the same object.
RepeatItemIterator<T>	An RepeatItemIterator is an Iterator which contains multiple copies of the same object.
Required	Where used, denotes that a field on an object must be set.
ReservedPropertyNames	Enumeration of all protected property names.
ReservoirItemsSketchAggregator<T>	A ReservoirItemsSketchAggregator is a BinaryOperator that aggregates ReservoirItemsSketchs using a ReservoirItemsUnion.
ReservoirItemsSketchSerialiser<T>	A ReservoirItemsSketchSerialiser serialises a ReservoirItemsSketch using its toByteArray() method and the provided ArrayOfItemsSerDe.
ReservoirItemsUnionAggregator<T>	A ReservoirItemsUnionAggregator is a BinaryOperator that aggregates ReservoirItemsUnions.
ReservoirLongsSketchAggregator	A ReservoirLongsSketchAggregator is a BinaryOperator that aggregates ReservoirLongsSketchs using a ReservoirLongsUnion.
ReservoirLongsSketchKryoSerializer	A ReservoirLongsSketchKryoSerializer is a Kryo Serializer for a ReservoirLongsSketch
ReservoirLongsSketchSerialiser	A ReservoirLongsSketchSerialiser serialises a ReservoirLongsSketch using its toByteArray() method.
ReservoirLongsUnionAggregator	A ReservoirLongsUnionAggregator is a BinaryOperator that aggregates ReservoirLongsUnions.
ReservoirLongsUnionKryoSerializer	A ReservoirLongsUnionKryoSerializer is a Kryo Serializer for a ReservoirLongsUnion
ReservoirLongsUnionSerialiser	A ReservoirLongsUnionSerialiser serialises a ReservoirLongsUnion using its toByteArray() method.
ReservoirNumbersSketchSerialiser	A ReservoirNumbersSketchSerialiser serialises a ReservoirItemsSketch using its toByteArray() method.
ReservoirNumbersUnionSerialiser	A ReservoirNumbersUnionSerialiser serialises a ReservoirItemsUnion of Numbers using its toByteArray() method.
ReservoirStringsSketchSerialiser	A ReservoirStringsSketchSerialiser serialises a ReservoirItemsSketch of Strings using its toByteArray() method.
ReservoirStringsUnionSerialiser	A ReservoirStringsUnionSerialiser serialises a ReservoirItemsUnion of Strings using its toByteArray() method.
ResourceType
ResponseDeserialiser<O>
RestJsonProvider	A ContextResolver implementation to provide the ObjectMapper from JSONSerialiser.
RetrieverException
RFileReaderIterator	A RFileReaderIterator is a Iterator formed by merging iterators over a set of RFiles.
RFileReaderRDD	Creates an RDD of Map.Entrys of Keys and Values for the data in the given table.
RoadTrafficCsvElementGenerator
RoadTrafficDataField
RoadTrafficDataLoader
RoadTrafficElementGenerator<T>
RoadTrafficStringElementGenerator
RoaringBitmapAggregator	Aggregator for RoaringBitmap objects.
RoaringBitmapConstants
RoaringBitmapJsonDeserialiser	Custom deserialisation logic for RoaringBitmap instances.
RoaringBitmapJsonSerialiser	Custom serialisation logic for RoaringBitmap instances.
RoaringBitmapSerialiser	A Serialiser implementation for RoaringBitmap instances.
RoaringBitmapUtils	Contains a method for converting version 0.1.5 serialised RoaringBitmaps into version 0.4.0-0.6.35 compatible forms.
RootRedirectConfig
RowIDAggregator
RowIDAggregator.PropertiesIterator
RowToElementGenerator	A RowToElementGenerator is a OneToOneElementGenerator for converting a Row objects into a Gaffer Element.
SampleDataAndCreateSplitsFileTool
SampleDataForSplitPoints	The SampleDataForSplitPoints operation is for creating a splits file, either for use in a SplitStoreFromFile operation or an AddElementsFromHdfs operation.
SampleDataForSplitPoints.Builder
SampleDataForSplitPointsHandler
SampleDataForSplitPointsJobFactory
SampleDataForSplitPointsMapper<KEY_IN,VALUE_IN>	Mapper class used for estimating the split points to ensure even distribution of data in Accumulo after initial insert.
SampleElementsForSplitPoints<T>	The SampleElementsForSplitPoints operation is for sampling an Iterable of Elements and generating split points.
SampleElementsForSplitPoints.Builder<T>
SampleElementsForSplitPointsHandler
Schema	Contains the full list of Element types to be stored in the graph.
Schema.BaseBuilder<CHILD_CLASS extends Schema.BaseBuilder<?>>
Schema.Builder
SchemaEdgeDefinition	A SchemaEdgeDefinition is the representation of a single edge in a Schema.
SchemaEdgeDefinition.BaseBuilder<CHILD_CLASS extends SchemaEdgeDefinition.BaseBuilder<?>>
SchemaEdgeDefinition.Builder
SchemaElementDefinition	A SchemaElementDefinition is the representation of a single group in a Schema.
SchemaElementDefinitionValidator	An SchemaElementDefinitionValidator validates a SchemaElementDefinition.
SchemaEntityDefinition	A SchemaEntityDefinition is the representation of a single entity in a Schema.
SchemaEntityDefinition.BaseBuilder<CHILD_CLASS extends SchemaEntityDefinition.BaseBuilder<?>>
SchemaEntityDefinition.Builder
SchemaException	An SchemaException is thrown when a schema is found to be invalid.
SchemaMigration	A SchemaMigration GraphHook allows an admin to set migration mappings that are then applied on any Operation with output and an OperationView.
SchemaMigration.MigrationOutputType
SchemaOperationChainUtil
SchemaOperationChainValidator
SchemaOptimiser	The SchemaOptimiser is used to reduce the size of a given Schema.
SchemaOptimiserMapStore
SchemaToStructTypeConverter	Converts a Gaffer Schema to a Spark StructType.
ScoreOperationChain	A ScoreOperationChain operation determines a "score" for an OperationChain, and is used to determine whether a particular user has the required permissions to execute a given OperationChain.
ScoreOperationChain.Builder
ScoreOperationChainHandler	Operation Handler for ScoreOperationChain
ScoreResolver<T extends Operation>	A ScoreResolver is used to retrieve the score associated with a provided Operation.
SeededGraphFilters	A SeededGraphFilters operation is a GraphFilters operation with the addition of filtering for SeededGraphFilters.IncludeIncomingOutgoingTypes.
SeededGraphFilters.Builder<OP extends SeededGraphFilters,B extends SeededGraphFilters.Builder<OP,?>>
SeededGraphFilters.IncludeIncomingOutgoingType	A IncludeIncomingOutgoingType defines the incoming/outgoing direction of the Edges during the operation.
SeparateOutputHandler<P extends Output<O>,O>	Handler for running federated operations but keeping the results separate under a key of the graph ID the results come from.
SerialisationException	An SerialisationException is thrown when serialisation/deserialisation fails.
SerialisationFactory	A SerialisationFactory holds a list of core serialisers and is design to provide compatible serialisers for given object classes.
Serialiser<INPUT,OUTPUT>	A class that implements this interface is responsible for serialising an object of class INPUT to a OUTPUT, and for deserialising it back again.
ServiceConstants	Utility class providing constants for the Gaffer REST API.
ServletLifecycleListener	Listener for starting and stopping services when the servlet starts up and shuts down.
SetExporter	A SetExporter is an in memory temporary Exporter using a Set.
SetSerialiser
SetVariable
SetVariable.Builder
SetVariableHandler
SimpleAdjacencyMaps	A SimpleAdjacencyMaps object represents a collection of AdjacencyMaps containing graph adjacency information.
SimpleEntityMaps	A SimpleEntityMaps object represents a collection of EntityMapss containing graph entity information.
SimpleMapFactory	Default implementation of the MapFactory interface, used to create map instances for the MapStore.
SingleUseAccumuloStore	An AccumuloStore that deletes the underlying table each time it is initialised.
SingleUseMapStore	A simple MapStore instance suitable for testing.
SingleUseMapStoreWithoutVisibilitySupport
SketchAggregator	A SketchAggregator is a BinaryOperator that aggregates Sketchs using a Union.
SketchesJsonModules	Factory class to create the required modules for serialisation and deserialising HyperLogLogPlus instances in Jackson.
SketchSerialiser	A SketchSerialiser serialises a Sketch using its toByteArray().
Sort	A Sort operation can be used to sort a Iterable of Elements using provided Comparators.
Sort.Builder
SortHandler	A SortHandler handles the Sort operation.
SparkConstants	Utility class containing constants for use with the Spark library.
SparkContextUtil	A SparkContextUtil is a utility class for adding and retrieving a SparkSession to/from the user Context.
SplitElementGroupDefSchemaException
SplitStoreFromFile	The SplitStoreFromFile operation is for splitting a store based on a file of split points.
SplitStoreFromFile.Builder
SplitStoreFromFileHandler
SplitStoreFromIterable<T>	The SplitStoreFromIterable operation is for splitting a store based on an iterable of split points.
SplitStoreFromIterable.Builder<T>
SplitStoreFromIterableHandler
SplitStoreFromJavaRDDOfElements
SplitStoreFromJavaRDDOfElements.Builder
SplitStoreFromJavaRDDOfElementsHandler
SplitStoreFromRDDOfElements
SplitStoreFromRDDOfElements.Builder
SplitStoreFromRDDOfElementsHandler
Status	Enumerated types for HTTP status codes, loosely based on the JAX-RS 2.0 Status class.
StatusController
StatusDeserialiser	Custom deserialiser for handling formatted Status representations.
StatusSerialiser	Custom serialiser to format the HTTP status string when displaying error messages to users.
StatusService	An implementation of IStatusService.
StatusServiceV2	An implementation of IStatusServiceV2.
StorageException	An StorageException should be thrown when a problem occurs accessing the federated graph storage.
Store	A Store backs a Graph and is responsible for storing the Elements and handling Operations.
StoreException	A StoreException is a fairly generic exception for a wide range of issues occurred in a Store.
StoreProperties	A StoreProperties contains specific configuration information for the store, such as database connection strings.
StoreTrait	A StoreTrait defines functionality for Store implementations.
StreamFilterIterable
StreamFlatMapIterable<I,O>	A StreamFlatMapIterable is an StreamIterable which uses a FlatMapStreamSupplier to combine Iterables.
StreamIterable<T>	A Closeable Iterable which uses a Stream as the underlying data source.
StreamIterator<T>	A Closeable Iterator to compliment the StreamIterable.
StreamMapIterable<I,O>	A StreamMapIterable is an StreamIterable which uses a MapStreamSupplier to combine Iterables.
Streams	Utility class to help with the usage of the Java 8 Streams API in Gaffer.
StreamSupplier<T>	A StreamSupplier is a Supplier that supplies a Stream This supplier also implements closeable.
StreamTransformIterable
StreamUtil	Utility methods for opening InputStreams.
StringSerialiser	A StringSerialiser is used to serialise Strings.
StringsSketchAggregator	A StringsSketchAggregator is a BinaryOperator that takes in ItemsSketchs of Strings and merges them together using ItemsSketch.merge(ItemsSketch).
StringsSketchAggregator	A StringsSketchAggregator is a BinaryOperator that aggregates ItemsSketchs of Strings using an ItemsUnion.
StringsSketchKryoSerializer	A StringsSketchKryoSerializer is a Kryo Serializer for an ItemsSketch of type String
StringsSketchKryoSerializer	A StringsSketchKryoSerializer is a Kryo Serializer for an ItemsSketch of type String
StringsSketchSerialiser	A StringsSketchSerialiser serialises an ItemsSketch of Strings using its toByteArray() method.
StringsSketchSerialiser	A StringsSketchSerialiser serialises an ItemsSketch of Strings using its toByteArray() method.
StringsToTypeSubTypeValue	A StringsToTypeSubTypeValue is a KorypheFunction3 that converts 3 strings: type, sub type and value into a TypeSubTypeValue.
StringsToTypeValue	A StringsToTypeSubTypeValue is a KorypheFunction2 that converts 2 strings: type and value into a TypeValue.
StringsUnionAggregator	A StringsUnionAggregator is a BinaryOperator that aggregates ItemsUnions of Strings.
StringsUnionKryoSerializer	A StringsUnionKryoSerializer is a Kryo Serializer for an ItemsUnion of type String
StringsUnionSerialiser	A StringsUnionSerialiser serialises an ItemsUnion of Strings using its toByteArray() method.
StringToStringSerialiser	A StringToStringSerialiser serialises a String to a String without performing any additional changes to the original object.
StringUtil	Utility methods for Strings.
SummariseGroupOverRanges	A SummariseGroupOverRanges operation will return an Element that represents the aggregated form of all data between the provided range for the provided group.
SummariseGroupOverRanges.Builder
SummariseGroupOverRangesHandler
SuppliedIterable<T>	A SuppliedIterable allows a Closeable Iterable that can normally only be consumed once, be consumed multiple times.
SwaggerConfig
SwaggerDefinitionConfig	Empty interface containing the Swagger API definitions for the v1 Gaffer REST API.
SwaggerDefinitionConfigV2	Empty interface containing the Swagger API definitions for the v2 Gaffer REST API.
SystemProperty	System property keys and default values.
SystemStatus	POJO representing the Gaffer system status.
SystemStatus.Status	Enumerated type for the Gaffer system status.
TableUtils	Static utilities used in the creation and maintenance of accumulo tables.
TextJobInitialiser	A JobInitialiser that initialises the provided Job to handle text input data.
TextMapperGenerator	An TextMapperGenerator is a MapperGenerator that can handle text input data and convert it into an Iterable of Elements.
TextMessageBodyWriter
TimeSeries<T>	A time series of type T consists of values of type T associated to time Instants.
TimestampSet	This represents a set of timestamps.
ToArray<T>	A ToArray operation takes in an Iterable of items and converts them into an array.
ToArray.Builder<T>
ToArrayHandler<T>	A ToArrayHandler handles ToArray operations.
ToBytesSerialiser<T>	A class that implements this interface is responsible for serialising an object of class T to a byte array, and for deserialising it back again.
ToBytesViaStringDeserialiser<T>	Abstract serialiser that deserialises the given byte[] via an interim String object.
ToCsv	A ToMap operation takes in an Iterable of items and uses a CsvGenerator to convert each item into a CSV String.
ToCsv.Builder
ToCsvHandler	A ToCsvHandler handles ToCsv operations by applying the provided CsvGenerator to each item in the input Iterable.
ToElementId	A ToElementId converts an ElementId or vertex into an ElementId.
ToElementSeed
ToElementTuple	A ToElementTuple is a KorypheFunction that converts an Element into an ElementTuple.
ToEntityId	A ToEntityId converts an EntityId or vertex into an EntityId.
ToEntitySeeds	A ToEntitySeeds operation takes in an Iterable of items and converts them into EntitySeeds.
ToEntitySeeds.Builder
ToEntitySeedsHandler	The ToEntitySeedsHandler handles ToEntitySeeds operations by wrapping each object in the input Iterable in an EntitySeed object.
ToFreqMap	A ToFreqMap is a KorypheFunction that creates a new FreqMap and upserts a given value.
ToHllSketch	Creates a new HllSketch instance and initialises it with the given object.
ToHyperLogLogPlus	Deprecated.
ToList<T>	A ToList operation takes in an Iterable of items and converts them to a List.
ToList.Builder<T>
ToListHandler<T>	The ToListHandler handles ToList operations by collecting the items in the input Iterable into a List.
ToMap	A ToMap operation takes in an Iterable of items and uses a MapGenerator to convert each item into a Map of key-value pairs.
ToMap.Builder
ToMapHandler	A ToMapHandler handles ToMap operations by applying the provided ElementGenerator to each item in the input Iterable.
ToPropertiesTuple	A ToPropertiesTuple is a KorypheFunction that converts Element Properties into a PropertiesTuple.
ToSet<T>	A ToSet operation takes in an Iterable of items and converts them to a Set, removing duplicates in the process.
ToSet.Builder<T>
ToSetHandler<T>	The ToSetHandler handles ToSet operations by collecting the items in the input Iterable into a Set, removing duplicate items in the process.
ToSingletonList<T>	A ToSingletonList operation takes an input of type T and converts a single input to a list.
ToSingletonList.Builder<T>
ToSingletonListHandler<T>
ToSingletonTreeSet	Creates a new TreeSet and adds the given object.
ToStream<T>	A ToStream operation takes in an Iterable of items and converts them to a Stream.
ToStream.Builder<T>
ToStreamHandler<T>	A ToStreamHandler handles for ToStream operations.
ToStringBuilder	Extension of the Apache Commons ToStringBuilder class to provide a specific style for Gaffer.
ToStringBuilder.GafferFullStyle	The default ToStringStyle to use in Gaffer.
ToStringBuilder.GafferShortStyle	Alternative ToStringStyle to give a more concise output.
ToStringSerialiser<INPUT>	A class that implements this interface is responsible for serialising an object of class T to a String, and for deserialising it back again.
ToTimeBucket	Converts a timestamp into a timestamp bucket, based on a provided CommonTimeUtil.TimeBucket.
ToTimeBucketEnd	Converts a timestamp into the end of a timestamp bucket, based on a provided CommonTimeUtil.TimeBucket.
ToTimeBucketStart	Converts a timestamp into the start of a timestamp bucket, based on a provided CommonTimeUtil.TimeBucket.
ToTimestampSet	Creates a TimestampSet and initialises it with a single timestamp.
ToTrailingWildcardPair	A ToTrailingWildcardPair is a KorypheFunction that takes an input value to use as the starting value for a range and creates a value to use as the end point.
ToTypeSubTypeValue	A ToTypeSubTypeValue is a KorypheFunction that converts a value into a TypeSubTypeValue, by setting the Type and SubType to null (or the provided strings) and the Value to the input value.
ToTypeValue	A ToTypeValue is a KorypheFunction that converts a value into a TypeValue, by setting the Type to null (or the provided string) and the Value to the input value.
ToVertices	A ToVertices takes an Iterable of ElementIds and converts them into vertices.
ToVertices.Builder
ToVertices.EdgeVertices
ToVertices.UseMatchedVertex
ToVerticesHandler	A ToVerticesHandler handles for ToVertices operations.
Transform	A Transform operation applies provided ElementTransformer(s) to the provided Iterable of Elements, and returns an Iterable.
Transform.Builder
TransformAndFilter
TransformHandler
TransformIterable<I,O>	A TransformIterable allows Iterables to be lazily validated and transformed without loading the entire iterable into memory.
TransformOneToManyIterable<I,O>	A TransformToMultiIterable allows Iterables to be lazily validated and transformed without loading the entire iterable into memory.
TransformStreamSupplier	A TransformStreamSupplier is a StreamSupplier which uses a Transform to perform a transformation on each Element in the input Iterable, and producing an Iterable.
TransformValidator	An implementation of FunctionValidator, used for validating a Transform function.
TreeSetStringSerialiser	A TreeSetStringSerialiser is a serialiser for TreeSets with String values.
TuplesToElements	A TuplesToElements is a Function which generates Elements from an Iterable of Tuples.
TupleToElements	A TupleToElements is a Function which generates Elements from a Tuple.
TypeDefinition	A TypeDefinition contains the an object's java class along with how to validate and aggregate the object.
TypeDefinition.Builder
TypeReferenceImpl	TypeReference objects for named views.
TypeReferenceImpl	Utility class which contains a number of inner classes for different TypeReferences used by the Gaffer project to denote the output type of an Output.
TypeReferenceImpl.Array<T>
TypeReferenceImpl.Boolean
TypeReferenceImpl.CountGroups
TypeReferenceImpl.Element
TypeReferenceImpl.Exporter
TypeReferenceImpl.Integer
TypeReferenceImpl.IterableEdge
TypeReferenceImpl.IterableElement
TypeReferenceImpl.IterableEntityId
TypeReferenceImpl.IterableEntitySeed
TypeReferenceImpl.IterableIterableEdge
TypeReferenceImpl.IterableListEdge
TypeReferenceImpl.IterableMap
TypeReferenceImpl.IterableNamedView
TypeReferenceImpl.IterableObj
TypeReferenceImpl.IterableObject
TypeReferenceImpl.IterableString
TypeReferenceImpl.IterableWalk
TypeReferenceImpl.JobDetail
TypeReferenceImpl.JobDetailIterable
TypeReferenceImpl.List<T>
TypeReferenceImpl.ListString
TypeReferenceImpl.Long
TypeReferenceImpl.Map
TypeReferenceImpl.MapExporter
TypeReferenceImpl.MapStringObject
TypeReferenceImpl.MapStringSet
TypeReferenceImpl.MapStringString
TypeReferenceImpl.Object
TypeReferenceImpl.Operations
TypeReferenceImpl.Set<T>
TypeReferenceImpl.Stream<T>
TypeReferenceImpl.String
TypeReferenceImpl.ValidationResult
TypeReferenceImpl.Void
TypeReferenceSparkImpl	Spark-specific TypeReference implementations.
TypeReferenceSparkImpl.DataSetRow
TypeReferenceSparkImpl.GraphFrame
TypeReferenceSparkImpl.IterableRowT
TypeReferenceSparkImpl.JavaRDDElement
TypeReferenceSparkImpl.RDDElement
TypeReferenceStoreImpl	TypeReference implementations for use by the Store class.
TypeReferenceStoreImpl.Operations
TypeReferenceStoreImpl.Schema
TypeReferenceStoreImpl.StoreTraits
TypeSubTypeValue	A TypeSubTypeValue is used to store information relating to types, sub-types and associated values.
TypeSubTypeValueKryoSerializer	A TypeSubTypeValueKryoSerializer is a Kryo Serializer for a TypeSubTypeValue
TypeSubTypeValueSerialiser	A TypeSubTypeValueSerialiser is used to serialise and deserialise TypeSubTypeValue instances.
TypeSubTypeValueToTuple	A TypeSubTypeValueToTuple is a KorypheFunction that converts an TypeSubTypeValue into a TypeSubTypeValueTuple.
TypeSubTypeValueTuple	A TypeSubTypeValueTuple class represents a TypeSubTypeValue object as a Koryphe n-valued Tuple.
TypeValue	A TypeValue is used to store information relating to types and associated values.
TypeValueKryoSerializer	A TypeValueKryoSerializer is a Kryo Serializer for a TypeValue
TypeValueSerialiser	A TypeValueSerialiser is used to serialise and deserialise TypeValue instances.
TypeValueToTuple	A TypeValueToTuple is a KorypheFunction that converts an TypeValue into a TypeValueTuple.
TypeValueTuple	A TypeValueTuple class represents a TypeValue object as a Koryphe n-valued Tuple.
UnauthorisedException	An UnauthorisedException is a RuntimeException that will be when an unauthorised action is attempted.
UnauthorisedExceptionMapper	Jersey ExceptionMapper to be used to handle UnauthorisedExceptions.
UnionAggregator	A UnionAggregator is a BinaryOperator that aggregates Unions.
UnionConverter	A Converter that converts a Union into a double so that it can be included in a Dataframe.
UnionSerialiser	A UnionSerialiser serialises an Union using the toByteArray() method from the sketch
UnknownUserFactory	Default implementation of the AbstractUserFactory.
UnknownUserFactory	Default implementation of the UserFactory interface.
UnrestrictedAccessPredicate
UnrestrictedAccessUserPredicate
UnwrapEntityId	An UnwrapVertex is a KorypheFunction for unwrapping EntityIds.
UpdateViewHook	This is a hook to update all operation views in a chain before it is executed.
UpdateViewHook.Builder
User	Simple representation of a user in Gaffer.
User.Builder
UserFactory	A UserFactory creates instances of Users for use when executing queries on a graph.
Utils
Validatable	A Validatable operation defines an operation with an iterable of Elements that can optionally be validated before being processed.
Validatable.Builder<OP extends Validatable,B extends Validatable.Builder<OP,?>>
Validate	A Validate operation takes in Elements validates them using the store schema and returns the valid Elements.
Validate.Builder
ValidatedElements	An ValidatedElements extends TransformIterable and uses an ElementValidator to validate the Elements.
ValidateHandler	An ValidateHandler handles for Validate operations.
ValidateOperationChain
ValidateOperationChain.Builder
ValidateOperationChainHandler	Operation Handler for ValidateOperationChain
Validator<T>	An Validator validates objects of type T and returns true if they are valid.
ValidatorFilter	The ValidatorFilter will filter out Elements based on the validator functions given in the Schema that is passed to this iterator.
VersionController
VersionServiceV2
VertexSerialiserSchemaException
View	The View defines the Elements to be returned for an operation.
View.BaseBuilder<CHILD_CLASS extends View.BaseBuilder<?>>
View.Builder
ViewElementDefinition	A ViewElementDefinition is an ElementDefinition containing transient properties, an ElementTransformer and two ElementFilters.
ViewElementDefinition.BaseBuilder<CHILD_CLASS extends ViewElementDefinition.BaseBuilder<?>>
ViewElementDefinition.Builder
ViewMigration	Applies the migrations required for a View.
ViewParameterDetail	Simple POJO providing parameter details for NamedViews.
ViewParameterDetail.Builder
ViewUtil	Utility class containing methods for modifying View objects.
ViewValidator	An ViewValidator validates a view against a Schema ViewElementDefinition.
VisibilityEvaluator	This class is copied from org.apache.accumulo.core.security.VisibilityEvaluator.
VisibilityParseException
VisibilityPropertySchemaException
Walk	A Walk describes a graph traversal which begins at a vertex and comprises of: a sequence of Edge objects, where the source of one edge must follow on from the destination of the previous an optional sequence of Entity objects which are associated to each of the vertices visited on the Walk.
Walk.Builder
WebApplicationExceptionMapper	Jersey ExceptionMapper used to handle internal WebApplicationExceptions thrown by the Jersey framework.
While<I,O>	A While is an Operation which executes a provided delegate Operation, either while some condition is true, (upto some global maximum), or until some configurable cut-off is reached.
While.Builder<I,O>
WhileHandler	An operation handler for While operations.
WhileScoreResolver	An WhileScoreResolver is an implementation of ScoreResolver for the While operation.
WrappedKryoSerializer<S extends ToBytesSerialiser<T>,T>	A WrappedKryoSerializer is a utility class for any Kryo Serializer that wraps around any implementation of a Gaffer ToBytesSerialiser.