org.hibernate.type.CompositeCustomType Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of hibernate-core
The core functionality of Hibernate
There is a newer version: 7.0.0.Alpha1
/*
 * 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.lang.reflect.Method;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
import java.util.Properties;

import org.dom4j.Element;
import org.dom4j.Node;
import org.hibernate.EntityMode;
import org.hibernate.FetchMode;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.engine.CascadeStyle;
import org.hibernate.engine.Mapping;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.usertype.CompositeUserType;

/**
 * Adapts CompositeUserType to Type interface
 * @author Gavin King
 */
public class CompositeCustomType extends AbstractType
	implements AbstractComponentType {

	private final CompositeUserType userType;
	private final String name;

	public CompositeCustomType(Class userTypeClass, Properties parameters) 
	throws MappingException {
		name = userTypeClass.getName();

		if ( !CompositeUserType.class.isAssignableFrom(userTypeClass) ) {
			throw new MappingException( 
					"Custom type does not implement CompositeUserType: " + 
					userTypeClass.getName() 
				);
		}
		
		try {
			userType = (CompositeUserType) userTypeClass.newInstance();
		}
		catch (InstantiationException ie) {
			throw new MappingException( 
					"Cannot instantiate custom type: " + 
					userTypeClass.getName() 
				);
		}
		catch (IllegalAccessException iae) {
			throw new MappingException( 
					"IllegalAccessException trying to instantiate custom type: " + 
					userTypeClass.getName() 
				);
		}
		TypeFactory.injectParameters(userType, parameters);
	}
	
	public boolean isMethodOf(Method method) {
		return false;
	}

	public Type[] getSubtypes() {
		return userType.getPropertyTypes();
	}

	public String[] getPropertyNames() {
		return userType.getPropertyNames();
	}

	public Object[] getPropertyValues(Object component, SessionImplementor session)
		throws HibernateException {
		return getPropertyValues( component, session.getEntityMode() );
	}

	public Object[] getPropertyValues(Object component, EntityMode entityMode)
		throws HibernateException {

		int len = getSubtypes().length;
		Object[] result = new Object[len];
		for ( int i=0; i