org.hibernate.type.LongType 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.io.Serializable;
import java.util.Comparator;
import org.hibernate.dialect.Dialect;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.descriptor.java.LongTypeDescriptor;
import org.hibernate.type.descriptor.sql.BigIntTypeDescriptor;
/**
* A type that maps between {@link java.sql.Types#BIGINT BIGINT} and {@link Long}
*
* @author Gavin King
* @author Steve Ebersole
*/
public class LongType
extends AbstractSingleColumnStandardBasicType
implements PrimitiveType, DiscriminatorType, VersionType {
public static final LongType INSTANCE = new LongType();
@SuppressWarnings({ "UnnecessaryBoxing" })
private static final Long ZERO = Long.valueOf( 0 );
public LongType() {
super( BigIntTypeDescriptor.INSTANCE, LongTypeDescriptor.INSTANCE );
}
public String getName() {
return "long";
}
@Override
public String[] getRegistrationKeys() {
return new String[] { getName(), long.class.getName(), Long.class.getName() };
}
public Serializable getDefaultValue() {
return ZERO;
}
public Class getPrimitiveClass() {
return long.class;
}
public Long stringToObject(String xml) throws Exception {
return Long.valueOf( xml );
}
@SuppressWarnings({ "UnnecessaryBoxing", "UnnecessaryUnboxing" })
public Long next(Long current, SessionImplementor session) {
return current + 1l;
}
public Long seed(SessionImplementor session) {
return ZERO;
}
public Comparator getComparator() {
return getJavaTypeDescriptor().getComparator();
}
public String objectToSQLString(Long value, Dialect dialect) throws Exception {
return value.toString();
}
}