001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: *
023: * Free Software Foundation, Inc.
024: * 59 Temple Place, Suite 330
025: * Boston, MA 02111-1307 USA
026: *
027: * @author Scott Ferguson
028: */
029:
030: package com.caucho.amber.manager;
031:
032: import javax.persistence.EntityManager;
033: import javax.persistence.EntityManagerFactory;
034: import java.util.Map;
035: import java.util.logging.Logger;
036: import com.caucho.webbeans.component.*;
037:
038: /**
039: * Amber's EntityManagerFactory container.
040: */
041: public class AmberEntityManagerFactory implements EntityManagerFactory,
042: java.io.Serializable, HandleAware {
043: private static final Logger log = Logger
044: .getLogger(AmberEntityManagerFactory.class.getName());
045:
046: private AmberPersistenceUnit _unit;
047: private boolean _isOpen = true;
048:
049: private Object _serializationHandle;
050:
051: AmberEntityManagerFactory(AmberPersistenceUnit unit) {
052: _unit = unit;
053: }
054:
055: /**
056: * Create a new EntityManager with TRANSACTION type.
057: */
058: public EntityManager createEntityManager() {
059: return createEntityManager(null);
060: }
061:
062: /**
063: * Create a new EntityManager with the given properties.
064: */
065: public EntityManager createEntityManager(Map map) {
066: return new AmberEntityManager(_unit, true);
067: }
068:
069: /**
070: * Close the factory an any resources.
071: */
072: public void close() {
073: _isOpen = false;
074: }
075:
076: /**
077: * Returns true if the factory is open.
078: */
079: public boolean isOpen() {
080: return _isOpen;
081: }
082:
083: /**
084: * Sets the serializable handle
085: */
086: public void setSerializationHandle(Object handle) {
087: _serializationHandle = handle;
088: }
089:
090: /**
091: * Serializes to the handle
092: */
093: private Object writeReplace() {
094: return _serializationHandle;
095: }
096:
097: public String toString() {
098: return "AmberEntityManagerFactory[" + _unit.getName() + "]";
099: }
100: }
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