/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.isis.core.unittestsupport.bidir;
import javax.jdo.annotations.PersistenceCapable;
@PersistenceCapable
public class ChildDomainObject implements Comparable<ChildDomainObject> {
// {{ Index (property)
private int index;
public int getIndex() {
return index;
}
public void setIndex(final int index) {
this.index = index;
}
// }}
// {{ Parent (property)
private ParentDomainObject parent;
public ParentDomainObject getParent() {
return parent;
}
public void setParent(final ParentDomainObject parent) {
this.parent = parent;
}
public void modifyParent(final ParentDomainObject parent) {
ParentDomainObject currentParent = getParent();
// check for no-op
if (parent == null || parent.equals(currentParent)) {
return;
}
// delegate to parent to associate
parent.addToChildren(this);
}
public void clearParent() {
ParentDomainObject currentParent = getParent();
// check for no-op
if (currentParent == null) {
return;
}
// delegate to parent to dissociate
currentParent.removeFromChildren(this);
}
// }}
@Override
public int compareTo(ChildDomainObject other) {
return this.getIndex() - other.getIndex();
}
}