1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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.dao.shard;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.util.PropsValues;
28  
29  import javax.sql.DataSource;
30  
31  /**
32   * <a href="ShardUtil.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Alexander Chow
35   */
36  public class ShardUtil {
37  
38      public static String COMPANY_SCOPE = "COMPANY_SCOPE";
39  
40      public static DataSource getDataSource() {
41          return _shardAdvice.getDataSource();
42      }
43  
44      public static ShardSelector getShardSelector() {
45          return _shardSelector;
46      }
47  
48      public static boolean isEnabled() {
49          if (_shardAdvice != null) {
50              return true;
51          }
52          else {
53              return false;
54          }
55      }
56  
57      public static String popCompanyService() {
58          String value = null;
59  
60          if (_shardAdvice != null) {
61              value = _shardAdvice.popCompanyService();
62          }
63  
64          return value;
65      }
66  
67      public static void pushCompanyService(long companyId) {
68          if (_shardAdvice != null) {
69              _shardAdvice.pushCompanyService(companyId);
70          }
71      }
72  
73      public static void pushCompanyService(String shardName) {
74          if (_shardAdvice != null) {
75              _shardAdvice.pushCompanyService(shardName);
76          }
77      }
78  
79      public void setShardAdvice(ShardAdvice shardAdvice) {
80          _shardAdvice = shardAdvice;
81      }
82  
83      private static Log _log = LogFactoryUtil.getLog(ShardUtil.class);
84  
85      private static ShardAdvice _shardAdvice;
86      private static ShardSelector _shardSelector;
87  
88      static {
89          try {
90              _shardSelector = (ShardSelector)Class.forName(
91                  PropsValues.SHARD_SELECTOR).newInstance();
92          }
93          catch (Exception e) {
94              _log.error(e, e);
95          }
96      }
97  
98  }