Package org.apache.cayenne.graph

Interface GraphManager

All Superinterfaces:

GraphChangeHandler

All Known Implementing Classes:

GraphMap, NoSyncObjectStore, 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

Method Summary

Modifier and Type	Method	Description
Object	getNode(Object nodeId)	Returns a graph node given an id.
Collection<Object>	registeredNodes()	Returns all graph nodes registered with GraphManager.
void	registerNode(Object nodeId, Object nodeObject)	"Registers" a graph node, usually storing the node in some internal map using its id as a key.
Object	unregisterNode(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 Details

getNode

Object getNode(Object nodeId)

Returns a graph node given an id.

registerNode

void registerNode(Object nodeId,
 Object nodeObject)

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

unregisterNode

Object unregisterNode(Object nodeId)

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

registeredNodes

Collection<Object> registeredNodes()

Returns all graph nodes registered with GraphManager.