org.hibernate.type.TimestampType 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
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*/
package org.hibernate.type;
import java.sql.Timestamp;
import java.util.Comparator;
import java.util.Date;
import org.hibernate.HibernateException;
import org.hibernate.dialect.Dialect;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.descriptor.java.JdbcTimestampTypeDescriptor;
import org.hibernate.type.descriptor.sql.TimestampTypeDescriptor;
/**
* A type that maps between {@link java.sql.Types#TIMESTAMP TIMESTAMP} and {@link java.sql.Timestamp}
*
* @author Gavin King
* @author Steve Ebersole
*/
public class TimestampType
extends AbstractSingleColumnStandardBasicType
implements VersionType, LiteralType {
public static final TimestampType INSTANCE = new TimestampType();
public TimestampType() {
super( TimestampTypeDescriptor.INSTANCE, JdbcTimestampTypeDescriptor.INSTANCE );
}
public String getName() {
return "timestamp";
}
@Override
public String[] getRegistrationKeys() {
return new String[] { getName(), Timestamp.class.getName(), java.util.Date.class.getName() };
}
public Date next(Date current, SessionImplementor session) {
return seed( session );
}
public Date seed(SessionImplementor session) {
return new Timestamp( System.currentTimeMillis() );
}
public Comparator getComparator() {
return getJavaTypeDescriptor().getComparator();
}
public String objectToSQLString(Date value, Dialect dialect) throws Exception {
final Timestamp ts = Timestamp.class.isInstance( value )
? ( Timestamp ) value
: new Timestamp( value.getTime() );
// TODO : use JDBC date literal escape syntax? -> {d 'date-string'} in yyyy-mm-dd hh:mm:ss[.f...] format
return StringType.INSTANCE.objectToSQLString( ts.toString(), dialect );
}
public Date fromStringValue(String xml) throws HibernateException {
return fromString( xml );
}
}