org.hibernate.id.insert.AbstractReturningDelegate 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.id.insert;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.id.PostInsertIdentityPersister;
import org.hibernate.pretty.MessageHelper;
/**
* Abstract InsertGeneratedIdentifierDelegate implementation where the
* underlying strategy causes the enerated identitifer to be returned as an
* effect of performing the insert statement. Thus, there is no need for an
* additional sql statement to determine the generated identitifer.
*
* @author Steve Ebersole
*/
public abstract class AbstractReturningDelegate implements InsertGeneratedIdentifierDelegate {
private final PostInsertIdentityPersister persister;
public AbstractReturningDelegate(PostInsertIdentityPersister persister) {
this.persister = persister;
}
public final Serializable performInsert(
String insertSQL,
SessionImplementor session,
Binder binder) {
try {
// prepare and execute the insert
PreparedStatement insert = prepare( insertSQL, session );
try {
binder.bindValues( insert );
return executeAndExtract( insert, session );
}
finally {
releaseStatement( insert, session );
}
}
catch ( SQLException sqle ) {
throw session.getFactory().getSQLExceptionHelper().convert(
sqle,
"could not insert: " + MessageHelper.infoString( persister ),
insertSQL
);
}
}
protected PostInsertIdentityPersister getPersister() {
return persister;
}
protected abstract PreparedStatement prepare(String insertSQL, SessionImplementor session) throws SQLException;
protected abstract Serializable executeAndExtract(PreparedStatement insert, SessionImplementor session) throws SQLException;
protected void releaseStatement(PreparedStatement insert, SessionImplementor session) throws SQLException {
session.getTransactionCoordinator().getJdbcCoordinator().release( insert );
}
}