https://github.com/javaee/jpa-spec: Java(TM) Persistence API 
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;


Specifies whether a transaction-scoped or extended persistence context is to be used in PersistenceContext. If not specified, a transaction-scoped persistence context is used. 
Since:Java Persistence 1.0
/**
 * Specifies whether a transaction-scoped or extended 
 * persistence context is to be used in {@link PersistenceContext}. 
 * If not specified, a transaction-scoped persistence context is used.
 *
 * @since Java Persistence 1.0
 */
public enum PersistenceContextType {

    
Transaction-scoped persistence context 
/** Transaction-scoped persistence context */
    TRANSACTION,

    
Extended persistence context 
/** Extended persistence context */
    EXTENDED
}