Package org.apache.cayenne.graph
Interface GraphManager
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- 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
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Method Summary
All Methods Instance Methods Abstract Methods 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
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Method Detail
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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.
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unregisterNode
Object unregisterNode(Object nodeId)
"Unregisters" a graph node, forgetting any information associated with nodeId.
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registeredNodes
Collection<Object> registeredNodes()
Returns all graph nodes registered with GraphManager.
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