org.hibernate.param.VersionTypeSeedParameterSpecification Maven / Gradle / Ivy
/*
* 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.param;
import org.hibernate.engine.QueryParameters;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.type.VersionType;
import org.hibernate.type.Type;
import java.sql.PreparedStatement;
import java.sql.SQLException;
/**
* Parameter bind specification used for optimisitc lock version seeding (from insert statements).
*
* @author Steve Ebersole
*/
public class VersionTypeSeedParameterSpecification implements ParameterSpecification {
private VersionType type;
/**
* Constructs a version seed parameter bind specification.
*
* @param type The version type.
*/
public VersionTypeSeedParameterSpecification(VersionType type) {
this.type = type;
}
/**
* {@inheritDoc}
*/
public int bind(PreparedStatement statement, QueryParameters qp, SessionImplementor session, int position)
throws SQLException {
type.nullSafeSet( statement, type.seed( session ), position, session );
return 1;
}
/**
* {@inheritDoc}
*/
public Type getExpectedType() {
return type;
}
/**
* {@inheritDoc}
*/
public void setExpectedType(Type expectedType) {
// expected type is intrinsic here...
}
/**
* {@inheritDoc}
*/
public String renderDisplayInfo() {
return "version-seed, type=" + type;
}
}