| BatchSessionImpl.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.service.persistence;
24
25 import com.liferay.portal.kernel.dao.orm.ORMException;
26 import com.liferay.portal.kernel.dao.orm.Session;
27 import com.liferay.portal.kernel.util.InitialThreadLocal;
28 import com.liferay.portal.model.BaseModel;
29 import com.liferay.portal.util.PropsValues;
30
31 /**
32 * <a href="BatchSessionImpl.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Raymond Augé
35 * @author Brian Wing Shun Chan
36 *
37 */
38 public class BatchSessionImpl implements BatchSession {
39
40 public boolean isEnabled() {
41 return _enabled.get();
42 }
43
44 public void setEnabled(boolean enabled) {
45 _enabled.set(enabled);
46 }
47
48 public void update(Session session, BaseModel<?> model, boolean merge)
49 throws ORMException {
50
51 if (merge || model.isCachedModel()) {
52 session.merge(model);
53 }
54 else {
55 boolean contains = false;
56
57 if (isEnabled()) {
58 Object obj = session.get(
59 model.getClass(), model.getPrimaryKeyObj());
60
61 if ((obj != null) && obj.equals(model)) {
62 contains = true;
63 }
64 }
65
66 if (model.isNew()) {
67 session.save(model);
68 }
69 else if (!contains && !session.contains(model)) {
70 session.saveOrUpdate(model);
71 }
72 }
73
74 if (!isEnabled()) {
75 session.flush();
76
77 return;
78 }
79
80 if ((_counter.get() % PropsValues.HIBERNATE_JDBC_BATCH_SIZE) == 0) {
81 session.flush();
82 session.clear();
83 }
84
85 _counter.set(_counter.get() + 1);
86 }
87
88 private static final Long _INITIAL_COUNTER = new Long(1);
89
90 private static ThreadLocal<Long> _counter =
91 new InitialThreadLocal<Long>(_INITIAL_COUNTER);
92 private static ThreadLocal<Boolean> _enabled =
93 new InitialThreadLocal<Boolean>(Boolean.FALSE);
94
95 }