Package org.apache.cayenne.graph

Class NodeIdChangeOperation

java.lang.Object

org.apache.cayenne.graph.NodeDiff

org.apache.cayenne.graph.NodeIdChangeOperation

All Implemented Interfaces:

Serializable, Comparable<NodeDiff>, GraphDiff

public class NodeIdChangeOperation
extends NodeDiff

A GraphDiff representing a change in node ID.

Since:

1.2

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Object	newNodeId

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

diffId, nodeId

Constructor Summary

Constructors

Constructor	Description
NodeIdChangeOperation(Object nodeId, Object newNodeId)
NodeIdChangeOperation(Object nodeId, Object newNodeId, int diffId)

Method Summary

Modifier and Type	Method	Description
void	apply(GraphChangeHandler tracker)	Calls appropriate methods on the handler to "replay" this change.
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 Details

newNodeId

protected Object newNodeId

Constructor Details

NodeIdChangeOperation

public NodeIdChangeOperation(Object nodeId,
 Object newNodeId)

NodeIdChangeOperation

public NodeIdChangeOperation(Object nodeId,
 Object newNodeId,
 int diffId)

Method Details

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