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.dao.shard;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.util.PropsValues;
25  
26  import javax.sql.DataSource;
27  
28  /**
29   * <a href="ShardUtil.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Alexander Chow
32   *
33   */
34  public class ShardUtil {
35  
36      public static String COMPANY_SCOPE = "COMPANY_SCOPE";
37  
38      public static DataSource getDataSource() {
39          return _shardAdvice.getDataSource();
40      }
41  
42      public static ShardSelector getShardSelector() {
43          return _shardSelector;
44      }
45  
46      public static String popCompanyService() {
47          String value = null;
48  
49          if (_shardAdvice != null) {
50              value = _shardAdvice.popCompanyService();
51          }
52  
53          return value;
54      }
55  
56      public static void pushCompanyService(long companyId) {
57          if (_shardAdvice != null) {
58              _shardAdvice.pushCompanyService(companyId);
59          }
60      }
61  
62      public static void pushCompanyService(String shardName) {
63          if (_shardAdvice != null) {
64              _shardAdvice.pushCompanyService(shardName);
65          }
66      }
67  
68      public void setShardAdvice(ShardAdvice shardAdvice) {
69          _shardAdvice = shardAdvice;
70      }
71  
72      private static Log _log = LogFactoryUtil.getLog(ShardUtil.class);
73  
74      private static ShardAdvice _shardAdvice;
75      private static ShardSelector _shardSelector;
76  
77      static {
78          try {
79              _shardSelector = (ShardSelector)Class.forName(
80                  PropsValues.SHARD_SELECTOR).newInstance();
81          }
82          catch (Exception e) {
83              _log.error(e, e);
84          }
85      }
86  
87  }