org.hibernate.type.BagType Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, 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.type;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import org.dom4j.Element;
import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.collection.PersistentBag;
import org.hibernate.collection.PersistentCollection;
import org.hibernate.collection.PersistentElementHolder;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.persister.collection.CollectionPersister;
public class BagType extends CollectionType {
public BagType(String role, String propertyRef, boolean isEmbeddedInXML) {
super(role, propertyRef, isEmbeddedInXML);
}
public PersistentCollection instantiate(SessionImplementor session, CollectionPersister persister, Serializable key)
throws HibernateException {
if ( session.getEntityMode()==EntityMode.DOM4J ) {
return new PersistentElementHolder(session, persister, key);
}
else {
return new PersistentBag(session);
}
}
public Class getReturnedClass() {
return java.util.Collection.class;
}
public PersistentCollection wrap(SessionImplementor session, Object collection) {
if ( session.getEntityMode()==EntityMode.DOM4J ) {
return new PersistentElementHolder( session, (Element) collection );
}
else {
return new PersistentBag( session, (Collection) collection );
}
}
public Object instantiate(int anticipatedSize) {
return anticipatedSize <= 0 ? new ArrayList() : new ArrayList( anticipatedSize + 1 );
}
}