org.hibernate.jdbc.WorkExecutor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.jdbc;
import java.sql.Connection;
import java.sql.SQLException;
/**
* A visitor used for executing a discrete piece of work encapsulated in a
* {@link Work} or {@link ReturningWork} instance..
*
* @author Gail Badner
*/
public class WorkExecutor {
/**
* Execute the discrete work encapsulated by a {@link Work} instance
* using the supplied connection.
*
* Because {@link Work} does not return a value when executed
* (via {@link Work#execute(java.sql.Connection)}, this method
* always returns null.
*
* @param work The @link ReturningWork} instance encapsulating the discrete work
* @param connection The connection on which to perform the work.
*
* @return null>.
*
* @throws SQLException Thrown during execution of the underlying JDBC interaction.
* @throws org.hibernate.HibernateException Generally indicates a wrapped SQLException.
*/
public T executeWork(Work work, Connection connection) throws SQLException {
work.execute( connection );
return null;
}
/**
* Execute the discrete work encapsulated by a {@link ReturningWork} instance
* using the supplied connection, returning the result of
* {@link ReturningWork#execute(java.sql.Connection)}
*
* @param work The @link ReturningWork} instance encapsulating the discrete work
* @param connection The connection on which to perform the work.
*
* @return the valued returned by work.execute(connection)
.
*
* @throws SQLException Thrown during execution of the underlying JDBC interaction.
* @throws org.hibernate.HibernateException Generally indicates a wrapped SQLException.
*/
public T executeReturningWork(ReturningWork work, Connection connection) throws SQLException {
return work.execute( connection );
}
}