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
/*******************************************************************************
 * 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 entity reference obtained by EntityManager.getReference is accessed but the entity does not exist. Thrown when EntityManager.refresh is called and the object no longer exists in the database. Thrown when EntityManager.lock is used with pessimistic locking is used and the entity no longer exists in the database. 
 The current transaction, if one is active and the persistence context
has been joined to it, will be marked for rollback.
See Also:
EntityManager.getReference(Class<Object>, Object)
EntityManager.refresh(Object)
EntityManager.refresh(Object, LockModeType)
EntityManager.refresh(Object, Map<String,Object>)
EntityManager.refresh(Object, LockModeType, Map<String,Object>)
EntityManager.lock(Object, LockModeType)
EntityManager.lock(Object, LockModeType, Map<String,Object>)
Since:
Java Persistence 1.0/**
 * Thrown by the persistence provider when an entity reference obtained by
 * {@link EntityManager#getReference EntityManager.getReference}
 * is accessed but the entity does not exist. Thrown when
 * {@link EntityManager#refresh EntityManager.refresh} is called and the
 * object no longer exists in the database. 
 * Thrown when {@link EntityManager#lock EntityManager.lock} is used with
 * pessimistic locking is used and the entity no longer exists in the database.
 * <p> The current transaction, if one is active and the persistence context
 * has been joined to it, will be marked for rollback.
 * 
 * @see EntityManager#getReference(Class,Object)
 * @see EntityManager#refresh(Object)
 * @see EntityManager#refresh(Object, LockModeType)
 * @see EntityManager#refresh(Object, java.util.Map)
 * @see EntityManager#refresh(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 EntityNotFoundException extends PersistenceException {

	
Constructs a new EntityNotFoundException exception with
null as its detail message.
/**
	 * Constructs a new <code>EntityNotFoundException</code> exception with
	 * <code>null</code> as its detail message.
	 */
	public EntityNotFoundException() {
		super();
	}

	
Constructs a new EntityNotFoundException exception with the
specified detail message.
Params:
message – 
           the detail message./**
	 * Constructs a new <code>EntityNotFoundException</code> exception with the
	 * specified detail message.
	 * 
	 * @param message
	 *            the detail message.
	 */
	public EntityNotFoundException(String message) {
		super(message);
	}

}