Package uk.gov.gchq.gaffer.data.element

Core Java data types relating to Gaffer graph elements (entities and edges).

Interface Summary

Interface	Description
ElementValueLoader	This interface is used by the lazy loader classes to load Element's identifiers and properties.

Class Summary

Class	Description
Edge	An Edge in an Element containing a source, destination and a directed flag.
Edge.Builder
Element	Elements are the fundamental building blocks of the Graph.
ElementTuple	An ElementTuple implements Tuple wrapping an Element and providing a getter and setter for the element's identifiers and properties.
Entity	An Entity in an Element containing a single vertex.
Entity.Builder
GroupedProperties	GroupedProperties are just Properties with the Element group attached.
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.
LazyProperties	LazyProperties wraps Properties and lazily loads property values when requested using a provided ElementValueLoader.
Properties	Properties simply extends HashMap with property names (String) as keys and property value (Object) as values.

Enum Summary

Enum	Description
EdgeDirection	Enumerated type denoting the directionality of an Edge.
IdentifierType	The IdentifierType enum contains the identifier types used for Entitys and Edges.
ReservedPropertyNames	Enumeration of all protected property names.