org.apache.cayenne.graph.NodeIdChangeOperation Maven / Gradle / Ivy
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package org.apache.cayenne.graph;
/**
* A GraphDiff representing a change in node ID.
*
* @since 1.2
*/
public class NodeIdChangeOperation extends NodeDiff {
protected Object newNodeId;
public NodeIdChangeOperation(Object nodeId, Object newNodeId) {
super(nodeId);
this.newNodeId = newNodeId;
}
public NodeIdChangeOperation(Object nodeId, Object newNodeId, int diffId) {
super(nodeId, diffId);
this.newNodeId = newNodeId;
}
@Override
public void apply(GraphChangeHandler tracker) {
tracker.nodeIdChanged(nodeId, newNodeId);
}
@Override
public void undo(GraphChangeHandler tracker) {
tracker.nodeIdChanged(newNodeId, nodeId);
}
}