Java tutorial
/******************************************************************************* * Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * Linda DeMichiel - Java Persistence 2.1 * Linda DeMichiel - Java Persistence 2.0 * ******************************************************************************/ package javax.persistence; /** * Thrown by the persistence provider when an optimistic locking conflict * occurs. This exception may be thrown as part of an API call, a flush or at * commit time. The current transaction, if one is active, will be marked for * rollback. * * @see EntityManager#find(Class, Object, LockModeType) * @see EntityManager#find(Class, Object, LockModeType, java.util.Map) * @see EntityManager#lock(Object, LockModeType) * @see EntityManager#lock(Object, LockModeType, java.util.Map) * * @since Java Persistence 1.0 */ public class OptimisticLockException extends PersistenceException { /** * The object that caused the exception */ Object entity; /** * Constructs a new <code>OptimisticLockException</code> exception with * <code>null</code> as its detail message. */ public OptimisticLockException() { super(); } /** * Constructs a new <code>OptimisticLockException</code> exception with the * specified detail message. * * @param message * the detail message. */ public OptimisticLockException(String message) { super(message); } /** * Constructs a new <code>OptimisticLockException</code> exception with the * specified detail message and cause. * * @param message * the detail message. * @param cause * the cause. */ public OptimisticLockException(String message, Throwable cause) { super(message, cause); } /** * Constructs a new <code>OptimisticLockException</code> exception with the * specified cause. * * @param cause * the cause. */ public OptimisticLockException(Throwable cause) { super(cause); } /** * Constructs a new <code>OptimisticLockException</code> exception with the * specified entity. * * @param entity * the entity. */ public OptimisticLockException(Object entity) { this.entity = entity; } /** * Constructs a new <code>OptimisticLockException</code> exception with the * specified detail message, cause, and entity. * * @param message * the detail message. * @param cause * the cause. * @param entity * the entity. */ public OptimisticLockException(String message, Throwable cause, Object entity) { super(message, cause); this.entity = entity; } /** * Returns the entity that caused this exception. * * @return the entity. */ public Object getEntity() { return this.entity; } }