Java tutorial
/* * 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 <http://www.gnu.org/licenses/lgpl-2.1.html>. */ package org.hibernate.event.spi; import java.io.Serializable; import org.hibernate.persister.entity.EntityPersister; import org.hibernate.secure.spi.PermissionCheckEntityInformation; /** * Represents an operation we are about to perform against the database. * * @author Steve Ebersole */ public abstract class AbstractPreDatabaseOperationEvent extends AbstractEvent implements PermissionCheckEntityInformation { private final Object entity; private final Serializable id; private final EntityPersister persister; /** * Constructs an event containing the pertinent information. * * @param source The session from which the event originated. * @param entity The entity to be invloved in the database operation. * @param id The entity id to be invloved in the database operation. * @param persister The entity's persister. */ public AbstractPreDatabaseOperationEvent(EventSource source, Object entity, Serializable id, EntityPersister persister) { super(source); this.entity = entity; this.id = id; this.persister = persister; } /** * Retrieves the entity involved in the database operation. * * @return The entity. */ @Override public Object getEntity() { return entity; } /** * The id to be used in the database operation. * * @return The id. */ public Serializable getId() { return id; } /** * The persister for the {@link #getEntity entity}. * * @return The entity persister. */ public EntityPersister getPersister() { return persister; } /** * Getter for property 'source'. This is the session from which the event * originated. * <p/> * Some of the pre-* events had previous exposed the event source using * getSource() because they had not originally extended from * {@link AbstractEvent}. * * @return Value for property 'source'. * * @deprecated Use {@link #getSession} instead */ @Deprecated public EventSource getSource() { return getSession(); } @Override public String getEntityName() { return persister.getEntityName(); } @Override public Serializable getIdentifier() { return id; } }