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.portlet.messageboards.service.persistence;
21  
22  import com.liferay.portal.SystemException;
23  import com.liferay.portal.kernel.dao.orm.QueryPos;
24  import com.liferay.portal.kernel.dao.orm.SQLQuery;
25  import com.liferay.portal.kernel.dao.orm.Session;
26  import com.liferay.portal.kernel.dao.orm.Type;
27  import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;
28  import com.liferay.util.dao.orm.CustomSQLUtil;
29  
30  import java.util.Iterator;
31  
32  /**
33   * <a href="MBMessageFlagFinderImpl.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class MBMessageFlagFinderImpl
39      extends BasePersistenceImpl implements MBMessageFlagFinder {
40  
41      public static String COUNT_BY_U_T =
42          MBMessageFlagFinder.class.getName() + ".countByU_T";
43  
44      public int countByU_T(long userId, long threadId) throws SystemException {
45          Session session = null;
46  
47          try {
48              session = openSession();
49  
50              String sql = CustomSQLUtil.get(COUNT_BY_U_T);
51  
52              SQLQuery q = session.createSQLQuery(sql);
53  
54              q.addScalar(COUNT_COLUMN_NAME, Type.LONG);
55  
56              QueryPos qPos = QueryPos.getInstance(q);
57  
58              qPos.add(userId);
59              qPos.add(threadId);
60  
61              Iterator<Long> itr = q.list().iterator();
62  
63              if (itr.hasNext()) {
64                  Long count = itr.next();
65  
66                  if (count != null) {
67                      return count.intValue();
68                  }
69              }
70  
71              return 0;
72          }
73          catch (Exception e) {
74              throw new SystemException(e);
75          }
76          finally {
77              closeSession(session);
78          }
79      }
80  
81  }