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.model.BaseModel;
28  import com.liferay.portal.util.PropsValues;
29  
30  /**
31   * <a href="BatchSessionImpl.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Raymond Augé
34   * @author Brian Wing Shun Chan
35   *
36   */
37  public class BatchSessionImpl implements BatchSession {
38  
39      public boolean isEnabled() {
40          return _enabled.get();
41      }
42  
43      public void setEnabled(boolean enabled) {
44          _enabled.set(enabled);
45      }
46  
47      public void update(Session session, BaseModel model, boolean merge)
48          throws ORMException {
49  
50          if (merge) {
51              session.merge(model);
52          }
53          else {
54              boolean contains = false;
55  
56              if (isEnabled()) {
57                  Object obj = session.get(
58                      model.getClass(), model.getPrimaryKeyObj());
59  
60                  if ((obj != null) && obj.equals(model)) {
61                      contains = true;
62                  }
63              }
64  
65              if (model.isNew()) {
66                  session.save(model);
67              }
68              else if (!contains && !session.contains(model)) {
69                  session.saveOrUpdate(model);
70              }
71          }
72  
73          if (!isEnabled()) {
74              session.flush();
75  
76              return;
77          }
78  
79          if (_counter.get() < PropsValues.HIBERNATE_JDBC_BATCH_SIZE) {
80              _counter.set(_counter.get() + 1);
81          }
82          else {
83              _counter.set(BatchSessionCounter.INITIAL_VALUE);
84  
85              session.flush();
86              session.clear();
87          }
88      }
89  
90      private BatchSessionCounter _counter = new BatchSessionCounter();
91      private BatchSessionEnabled _enabled = new BatchSessionEnabled();
92  
93  }