org.hibernate.event.spi.PreUpdateEvent Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.event.spi;
import java.io.Serializable;
import org.hibernate.persister.entity.EntityPersister;
/**
* Represents a pre-update event, which occurs just prior to
* performing the update of an entity in the database.
*
* @author Gavin King
* @author Steve Ebersole
*/
public class PreUpdateEvent extends AbstractPreDatabaseOperationEvent {
private Object[] state;
private Object[] oldState;
/**
* Constructs an event containing the pertinent information.
*
* @param entity The entity to be updated.
* @param id The id of the entity to use for updating.
* @param state The state to be updated.
* @param oldState The state of the entity at the time it was loaded from
* the database.
* @param persister The entity's persister.
* @param source The session from which the event originated.
*/
public PreUpdateEvent(
Object entity,
Serializable id,
Object[] state,
Object[] oldState,
EntityPersister persister,
EventSource source) {
super( source, entity, id, persister );
this.state = state;
this.oldState = oldState;
}
/**
* Retrieves the state to be used in the update.
*
* @return The current state.
*/
public Object[] getState() {
return state;
}
/**
* The old state of the entity at the time it was last loaded from the
* database; can be null in the case of detached entities.
*
* @return The loaded state, or null.
*/
public Object[] getOldState() {
return oldState;
}
}