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Hibernate example source code file (SerializableType.java)

This example Hibernate source code file (SerializableType.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Hibernate tags/keywords

abstractsinglecolumnstandardbasictype, abstractsinglecolumnstandardbasictype, class, instance, io, serializable, serializable, serializabletype, serializabletype, serializabletypedescriptor, string, string

The Hibernate SerializableType.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. 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 Inc.
 *
 * 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 org.hibernate.type.descriptor.java.SerializableTypeDescriptor;
import org.hibernate.type.descriptor.sql.VarbinaryTypeDescriptor;

/**
 * A type that maps between a {@link java.sql.Types#VARBINARY VARBINARY} and {@link Serializable} classes.
 * <p/>
 * Notice specifically the 2 forms:<ul>
 * <li>{@link #INSTANCE} indicates a mapping using the {@link Serializable} interface itself.
 * <li>{@link #SerializableType(Class)} indicates a mapping using the specific class
 * </ul>
 * The important distinction has to do with locating the appropriate {@link ClassLoader} to use during deserialization.
 * In the fist form we are always using the {@link ClassLoader} of the JVM (Hibernate will always fallback to trying
 * its classloader as well).  The second form is better at targeting the needed {@link ClassLoader} actually needed.
 *
 * @author Gavin King
 * @author Steve Ebersole
 */
public class SerializableType<T extends Serializable> extends AbstractSingleColumnStandardBasicType {
	public static final SerializableType<Serializable> INSTANCE = new SerializableType( Serializable.class );

	private final Class<T> serializableClass;

	public SerializableType(Class<T> serializableClass) {
		super( VarbinaryTypeDescriptor.INSTANCE, new SerializableTypeDescriptor<T>( serializableClass )  );
		this.serializableClass = serializableClass;
	}

	public String getName() {
		return (serializableClass==Serializable.class) ? "serializable" : serializableClass.getName();
	}
}

Other Hibernate examples (source code examples)

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