//$Id: $ /* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2007, Red Hat Middleware LLC or third-party contributors as * indicated by the @author tags or express copyright attribution statements * applied by the authors. * * All third-party contributions are distributed under license by Red Hat * Middleware LLC. This copyrighted material is made available to anyone * wishing to use, modify, copy, or redistribute it subject to the terms * and conditions of the GNU Lesser General Public License, as published by * the Free Software Foundation. This program is distributed in the hope * that it will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * See the GNU Lesser General Public License for more details. You should * have received a copy of the GNU Lesser General Public License along with * this distribution; if not, write to: Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor Boston, MA 02110-1301 USA */ package org.hibernate.test.event.collection.association.bidirectional.onetomany; import java.util.Collection; import java.util.Iterator; import org.hibernate.test.event.collection.AbstractParentWithCollection; import org.hibernate.test.event.collection.Child; /** * * @author Gail Badner */ public class ParentWithBidirectionalOneToMany extends AbstractParentWithCollection { public ParentWithBidirectionalOneToMany() { } public ParentWithBidirectionalOneToMany(String name) { super( name ); } public Child createChild( String name ) { return new ChildWithManyToOne( name ); } public Child addChild(String name) { Child child = createChild( name ); addChild( child ); return child; } public void addChild(Child child) { super.addChild( child ); ( ( ChildWithManyToOne ) child ).setParent( this ); } public void newChildren(Collection children) { if ( children == getChildren() ) { return; } if ( getChildren() != null ) { for ( Iterator it = getChildren().iterator(); it.hasNext(); ) { ChildWithManyToOne child = ( ChildWithManyToOne ) it.next(); child.setParent( null ); } } if ( children != null ) { for ( Iterator it = children.iterator(); it.hasNext(); ) { ChildWithManyToOne child = ( ChildWithManyToOne ) it.next(); child.setParent( this ); } } super.newChildren( children ); } public void removeChild(Child child) { // Note: there can be more than one child in the collection super.removeChild( child ); // only set the parent to null if child is no longer in the bag if ( ! getChildren().contains( child ) ) { ( ( ChildWithManyToOne ) child ).setParent( null ); } } }