Package uk.gov.gchq.gaffer.store.operation.handler

Interface OutputOperationHandler<OP extends Output<? extends O>,O>

All Superinterfaces:

OperationHandler<OP>

All Known Subinterfaces:

OperationWithSchemaHandler<OP,O>

All Known Implementing Classes:

AbstractGenerateSplitPointsFromSampleHandler, AbstractGetRDDHandler, AbstractSampleElementsForSplitPointsHandler, AggregateHandler, CountAllElementsDefaultViewHandler, CountGroupsHandler, CountHandler, FederatedChangeGraphAccessHandler, FederatedChangeGraphIdHandler, FederatedDelegateToHandler, FederatedGetAllGraphIDHandler, FederatedGetAllGraphInfoHandler, FederatedOutputHandler, FederatedOutputIterableHandler, FederatedRemoveGraphAndDeleteAllDataHandler, FederatedRemoveGraphHandler, FilterHandler, ForEachHandler, GenerateElementsHandler, GenerateObjectsHandler, GenerateSplitPointsFromSampleHandler, GetAdjacentIdsHandler, GetAdjacentIdsHandler, GetAllElementsHandler, GetAllElementsHandler, GetAllJobDetailsHandler, GetAllNamedOperationsHandler, GetAllNamedViewsHandler, GetDataFrameOfElementsHandler, GetElementsBetweenSetsHandler, GetElementsBetweenSetsPairsHandler, GetElementsHandler, GetElementsHandler, GetElementsInRangesHandler, GetElementsWithinSetHandler, GetExportsHandler, GetFromEndpointHandler, GetGraphFrameOfElementsHandler, GetJavaRDDOfAllElementsHandler, GetJavaRDDOfElementsHandler, GetJavaRDDOfElementsInRangesHandler, GetJobDetailsHandler, GetJobResultsHandler, GetProxyPropertiesHandler, GetProxyUrlHandler, GetRDDOfAllElementsHandler, GetRDDOfElementsHandler, GetRDDOfElementsInRangesHandler, GetSchemaHandler, GetTraitsHandler, GetWalksHandler, HasTraitHandler, IfHandler, JoinHandler, LimitHandler, MapHandler, MaxHandler, MinHandler, NamedOperationHandler, OperationChainHandler, OperationChainHandler, ReduceHandler, SampleElementsForSplitPointsHandler, ScoreOperationChainHandler, SortHandler, SummariseGroupOverRangesHandler, ToArrayHandler, ToCsvHandler, ToEntitySeedsHandler, ToListHandler, ToMapHandler, ToSetHandler, ToSingletonListHandler, ToStreamHandler, ToVerticesHandler, TransformHandler, ValidateHandler, ValidateOperationChainHandler, WhileHandler

public interface OutputOperationHandler<OP extends Output<? extends O>,O>
extends OperationHandler<OP>

An OutputOperationHandler defines how to handle a specific Output operations.

Method Summary

Modifier and Type	Method	Description
O	doOperation(OP operation, Context context, Store store)	Execute the given Output operation.

Method Detail

doOperation

O doOperation(OP operation,
              Context context,
              Store store)
       throws OperationException

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<OP extends Output<? extends O>>

Parameters:

operation - the Output operation to be executed

context - the operation chain context, containing the user who executed the operation

store - the Store the operation should be run on

Returns:

the output for the operation.

Throws:

OperationException - thrown if the operation fails