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Cayenne Object Persistence Framework
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package org.apache.cayenne.map.event;
import org.apache.cayenne.map.Entity;
import org.apache.cayenne.map.Relationship;
/**
* Represents events resulted from Relationship changes
* in CayenneModeler. This event is used for both ObjRelationships
* and DbRelationships.
*
*
* @author Misha Shengaout
* @author Andrei Adamchik
*/
public class RelationshipEvent extends EntityEvent {
protected Relationship relationship;
/** Creates a Relationship change event. */
public RelationshipEvent(Object src, Relationship rel, Entity entity) {
super(src, entity);
setRelationship(rel);
}
/** Creates a Relationship event of a specified type. */
public RelationshipEvent(
Object src,
Relationship rel,
Entity entity,
int id) {
this(src, rel, entity);
setId(id);
}
/** Creates a Relationship name change event. */
public RelationshipEvent(
Object src,
Relationship rel,
Entity entity,
String oldName) {
this(src, rel, entity);
setOldName(oldName);
}
/** Returns relationship associated with this event. */
public Relationship getRelationship() {
return relationship;
}
/**
* Sets relationship associated with this event.
*
* @param relationship The relationship to set
*/
public void setRelationship(Relationship relationship) {
this.relationship = relationship;
}
public String getNewName() {
return (relationship != null) ? relationship.getName() : null;
}
}
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