// $Id: Dom4jEntityTuplizer.java 9210 2006-02-03 22:15:19Z steveebersole $
package org.hibernate.tuple.entity;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.proxy.ProxyFactory;
import org.hibernate.proxy.HibernateProxy;
import org.hibernate.proxy.dom4j.Dom4jProxyFactory;
import org.hibernate.property.PropertyAccessor;
import org.hibernate.property.PropertyAccessorFactory;
import org.hibernate.property.Getter;
import org.hibernate.property.Setter;
import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.tuple.Instantiator;
import org.hibernate.tuple.Dom4jInstantiator;
import org.hibernate.type.AbstractComponentType;
import org.dom4j.Element;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import java.util.Iterator;
/**
* An {@link EntityTuplizer} specific to the dom4j entity mode.
*
* @author Steve Ebersole
* @author Gavin King
*/
public class Dom4jEntityTuplizer extends AbstractEntityTuplizer {
static final Log log = LogFactory.getLog( Dom4jEntityTuplizer.class );
private Set subclassNodeNames = new HashSet();
Dom4jEntityTuplizer(EntityMetamodel entityMetamodel, PersistentClass mappedEntity) {
super(entityMetamodel, mappedEntity);
Iterator itr = mappedEntity.getSubclassClosureIterator();
while( itr.hasNext() ) {
final PersistentClass mapping = ( PersistentClass ) itr.next();
subclassNodeNames.add( mapping.getNodeName() );
}
}
public EntityMode getEntityMode() {
return EntityMode.DOM4J;
}
private PropertyAccessor buildPropertyAccessor(Property mappedProperty) {
if ( mappedProperty.isBackRef() ) {
return mappedProperty.getPropertyAccessor(null);
}
else {
return PropertyAccessorFactory.getDom4jPropertyAccessor(
mappedProperty.getNodeName(),
mappedProperty.getType(),
getEntityMetamodel().getSessionFactory()
);
}
}
protected Getter buildPropertyGetter(Property mappedProperty, PersistentClass mappedEntity) {
return buildPropertyAccessor(mappedProperty).getGetter( null, mappedProperty.getName() );
}
protected Setter buildPropertySetter(Property mappedProperty, PersistentClass mappedEntity) {
return buildPropertyAccessor(mappedProperty).getSetter( null, mappedProperty.getName() );
}
protected Instantiator buildInstantiator(PersistentClass persistentClass) {
return new Dom4jInstantiator( persistentClass );
}
public Serializable getIdentifier(Object entityOrId) throws HibernateException {
if (entityOrId instanceof Element) {
return super.getIdentifier(entityOrId);
}
else {
//it was not embedded, so the argument is just an id
return (Serializable) entityOrId;
}
}
protected ProxyFactory buildProxyFactory(PersistentClass mappingInfo, Getter idGetter, Setter idSetter) {
HashSet proxyInterfaces = new HashSet();
proxyInterfaces.add( HibernateProxy.class );
proxyInterfaces.add( Element.class );
ProxyFactory pf = new Dom4jProxyFactory();
try {
pf.postInstantiate(
getEntityName(),
Element.class,
proxyInterfaces,
null,
null,
mappingInfo.hasEmbeddedIdentifier() ?
(AbstractComponentType) mappingInfo.getIdentifier().getType() :
null
);
}
catch ( HibernateException he ) {
log.warn( "could not create proxy factory for:" + getEntityName(), he );
pf = null;
}
return pf;
}
public Class getMappedClass() {
return Element.class;
}
public Class getConcreteProxyClass() {
return Element.class;
}
public boolean isInstrumented() {
return false;
}
}
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