1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.service.persistence;
21  
22  import com.liferay.portal.kernel.dao.orm.ORMException;
23  import com.liferay.portal.kernel.dao.orm.Session;
24  import com.liferay.portal.model.BaseModel;
25  import com.liferay.portal.util.PropsValues;
26  
27  /**
28   * <a href="BatchSessionImpl.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Raymond Augé
31   * @author Brian Wing Shun Chan
32   *
33   */
34  public class BatchSessionImpl implements BatchSession {
35  
36      public boolean isEnabled() {
37          return _enabled.get();
38      }
39  
40      public void setEnabled(boolean enabled) {
41          _enabled.set(enabled);
42      }
43  
44      public void update(Session session, BaseModel model, boolean merge)
45          throws ORMException {
46  
47          if (merge) {
48              session.merge(model);
49          }
50          else {
51              boolean contains = false;
52  
53              if (isEnabled()) {
54                  Object obj = session.get(
55                      model.getClass(), model.getPrimaryKeyObj());
56  
57                  if ((obj != null) && obj.equals(model)) {
58                      contains = true;
59                  }
60              }
61  
62              if (model.isNew()) {
63                  session.save(model);
64              }
65              else if (!contains && !session.contains(model)) {
66                  session.saveOrUpdate(model);
67              }
68          }
69  
70          if (!isEnabled()) {
71              session.flush();
72  
73              return;
74          }
75  
76          if (_counter.get() < PropsValues.HIBERNATE_JDBC_BATCH_SIZE) {
77              _counter.set(_counter.get() + 1);
78          }
79          else {
80              _counter.set(BatchSessionCounter.INITIAL_VALUE);
81  
82              session.flush();
83              session.clear();
84          }
85      }
86  
87      private BatchSessionCounter _counter = new BatchSessionCounter();
88      private BatchSessionEnabled _enabled = new BatchSessionEnabled();
89  
90  }