1 /**
2 * This file Copyright (c) 2003-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.module.workflow.jcr;
35
36 import info.magnolia.module.workflow.WorkflowConstants;
37 import info.magnolia.module.workflow.WorkflowModule;
38
39 import java.util.Collections;
40
41 import openwfe.org.ServiceException;
42 import openwfe.org.embed.impl.engine.PersistedEngine;
43 import openwfe.org.engine.Definitions;
44 import openwfe.org.engine.expool.ExpressionPool;
45 import openwfe.org.engine.participants.Participant;
46 import openwfe.org.engine.participants.ParticipantMap;
47
48 import org.slf4j.Logger;
49 import org.slf4j.LoggerFactory;
50
51
52 /**
53 * Implement openwfe.org.embed.engine.Engine to use JCRWorkItemStore and JCRExpressionStore.
54 *
55 * @author jackie_juju@hotmail.com
56 */
57 public class JCRPersistedEngine extends PersistedEngine {
58 private final static Logger log = LoggerFactory.getLogger(JCRPersistedEngine.class.getName());
59
60 private final JCRExpressionStore eStore;
61
62 public JCRPersistedEngine() throws ServiceException {
63 this(WorkflowConstants.ENGINE_NAME, true);
64 }
65
66 /**
67 * Instantiates a JCR persisted engine with the given name.
68 */
69 public JCRPersistedEngine(final String engineName, final boolean cached) throws ServiceException {
70 super(engineName, cached);
71 super.setDaemon(true);
72
73 // create expression store and add it to context
74 WorkflowModule module = WorkflowModule.getInstance();
75 this.eStore = new JCRExpressionStore(module.isUseLifeTimeJCRSession(), module.isCleanup());
76
77 this.eStore.init(Definitions.S_EXPRESSION_STORE, getContext(), Collections.EMPTY_MAP);
78
79 getContext().add(this.eStore);
80 }
81
82 // TODO : this doesn't seem to be used ... ?
83 public Participant getParticipant(String name) {
84 ParticipantMap pm = Definitions.getParticipantMap(getContext());
85 if (pm == null) {
86 log.error("get participant failed, the map retrieved was null for:" + name);
87 return null;
88 }
89 return pm.get(name);
90 }
91
92 // TODO : this doesn't seem to be used ... ?
93 public JCRExpressionStore getExpStore() {
94 return this.eStore;
95 }
96
97 // TODO : this is useless since engine.stop() already stops the expression pool, like the WFModule tries to do ... ?
98 @Override
99 public ExpressionPool getExpressionPool() {
100 return super.getExpressionPool();
101 }
102
103 }