//$Id$
package org.hibernate.ejb.test.callbacks;
import javax.persistence.PreUpdate;
/**
* @author Emmanuel Bernard
*/
public class FirstOneListener {
@PreUpdate
public void firstOne(CommunicationSystem object) {
if ( !object.isFirst ) throw new IllegalStateException();
object.isFirst = true;
object.isLast = false;
object.communication++;
}
}