org.hibernate.type.BinaryType Maven / Gradle / Ivy
/*
* 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.util.Comparator;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.descriptor.java.PrimitiveByteArrayTypeDescriptor;
import org.hibernate.type.descriptor.sql.VarbinaryTypeDescriptor;
/**
* A type that maps between a {@link java.sql.Types#VARBINARY VARBINARY} and {@code byte[]}
*
* @author Gavin King
* @author Steve Ebersole
*/
public class BinaryType
extends AbstractSingleColumnStandardBasicType
implements VersionType {
public static final BinaryType INSTANCE = new BinaryType();
public String getName() {
return "binary";
}
public BinaryType() {
super( VarbinaryTypeDescriptor.INSTANCE, PrimitiveByteArrayTypeDescriptor.INSTANCE );
}
@Override
public String[] getRegistrationKeys() {
return new String[] { getName(), "byte[]", byte[].class.getName() };
}
@Override
public byte[] seed(SessionImplementor session) {
// Note : simply returns null for seed() and next() as the only known
// application of binary types for versioning is for use with the
// TIMESTAMP datatype supported by Sybase and SQL Server, which
// are completely db-generated values...
return null;
}
@Override
public byte[] next(byte[] current, SessionImplementor session) {
return current;
}
@Override
public Comparator getComparator() {
return PrimitiveByteArrayTypeDescriptor.INSTANCE.getComparator();
}
}