org.apache.cayenne.graph
Interface GraphManager

All Superinterfaces:

GraphChangeHandler

All Known Implementing Classes:

GraphMap, ObjectStore

public interface GraphManager
extends GraphChangeHandler

Represents a generic "managed" graph with nodes mapped by their ids. Inherited GraphChangeHandler methods are intended as callbacks for graph node objects to notify graph of their changes.

Since:

1.2

Author:

Andrus Adamchik

Method Summary

java.lang.Object	getNode(java.lang.Object nodeId) Returns a graph node given an id.
java.util.Collection	registeredNodes() Returns all graph nodes regsitered with GraphManager.
void	registerNode(java.lang.Object nodeId, java.lang.Object nodeObject) "Registers" a graph node, usually striong the node in some internal map using its id as a key.
java.lang.Object	unregisterNode(java.lang.Object nodeId) "Unregisters" a graph node, forgetting any information associated with nodeId.

Methods inherited from interface org.apache.cayenne.graph.GraphChangeHandler

arcCreated, arcDeleted, nodeCreated, nodeIdChanged, nodePropertyChanged, nodeRemoved

Method Detail

getNode

java.lang.Object getNode(java.lang.Object nodeId)

Returns a graph node given an id.

registerNode

void registerNode(java.lang.Object nodeId,
                  java.lang.Object nodeObject)

"Registers" a graph node, usually striong the node in some internal map using its id as a key.

unregisterNode

java.lang.Object unregisterNode(java.lang.Object nodeId)

"Unregisters" a graph node, forgetting any information associated with nodeId.

registeredNodes

java.util.Collection registeredNodes()

Returns all graph nodes regsitered with GraphManager.