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## Package org.apache.cayenne.graph

Contains generic graph management tools used in Cayenne.

See:
Description

Interface Summary
GraphChangeHandler | Defines callback API that can be used by object graph nodes to notify of their state changes.
GraphDiff | Represents a change in an object graph.
GraphManager | Represents a generic "managed" graph with nodes mapped by their ids.

Class Summary
ArcCreateOperation |
ArcDeleteOperation |
ChildDiffLoader | A GraphChangeHandler that loads child ObjectContext diffs into a parent ObjectContext.
CompoundDiff | A GraphDiff that is a list of other GraphDiffs.
GraphDiffCompressor | A utility class that removes redundant and mutually exclusive graph changes from the graph diff.
GraphEvent | An event indicating a change in the object graph.
GraphMap | A base implementation of GraphManager that stores graph nodes keyed by their ids.
NodeCreateOperation |
NodeDeleteOperation |
NodeDiff | An abstract superclass of operations on individual nodes and arcs in a digraph.
NodeIdChangeOperation | A GraphDiff representing a change in node ID.
NodePropertyChangeOperation |

## Package org.apache.cayenne.graph Description

Contains generic graph management tools used in Cayenne. Main focus of this API is not graph semantics, but rather working with a graph as a random access map of nodes and tracking graph changes.

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