org.apache.cayenne.graph
Class ArcDeleteOperation

java.lang.Object
  org.apache.cayenne.graph.NodeDiff
      org.apache.cayenne.graph.ArcDeleteOperation

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable, GraphDiff

public class ArcDeleteOperation
extends NodeDiff

Since:

1.2

Author:

Andrus Adamchik

See Also:

Serialized Form

Field Summary

protected java.lang.Object	arcId
protected java.lang.Object	targetNodeId

Fields inherited from class org.apache.cayenne.graph.NodeDiff

diffId, nodeId

Constructor Summary

ArcDeleteOperation(java.lang.Object nodeId, java.lang.Object targetNodeId, java.lang.Object arcId)

ArcDeleteOperation(java.lang.Object nodeId, java.lang.Object targetNodeId, java.lang.Object arcId, int diffId)

Method Summary

void	apply(GraphChangeHandler tracker) Calls appropriate methods on the handler to "replay" this change.
java.lang.Object	getArcId()
java.lang.Object	getTargetNodeId()
void	undo(GraphChangeHandler tracker) Calls appropriate methods on the handler to revert this change.

Methods inherited from class org.apache.cayenne.graph.NodeDiff

compareTo, getDiffId, getNodeId, isNoop, setDiffId

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

targetNodeId

protected java.lang.Object targetNodeId

arcId

protected java.lang.Object arcId

Constructor Detail

ArcDeleteOperation

public ArcDeleteOperation(java.lang.Object nodeId,
                          java.lang.Object targetNodeId,
                          java.lang.Object arcId)

ArcDeleteOperation

public ArcDeleteOperation(java.lang.Object nodeId,
                          java.lang.Object targetNodeId,
                          java.lang.Object arcId,
                          int diffId)

Method Detail

apply

public void apply(GraphChangeHandler tracker)

Description copied from interface: GraphDiff

Calls appropriate methods on the handler to "replay" this change.

Specified by:

apply in interface GraphDiff

Specified by:

apply in class NodeDiff

undo

public void undo(GraphChangeHandler tracker)

Description copied from interface: GraphDiff

Calls appropriate methods on the handler to revert this change.

Specified by:

undo in interface GraphDiff

Specified by:

undo in class NodeDiff

getArcId

public java.lang.Object getArcId()

getTargetNodeId

public java.lang.Object getTargetNodeId()