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.impl;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.kernel.annotation.Propagation;
28  import com.liferay.portal.kernel.annotation.Transactional;
29  import com.liferay.portal.model.ResourceCode;
30  import com.liferay.portal.service.base.ResourceCodeLocalServiceBaseImpl;
31  
32  import java.util.Map;
33  import java.util.concurrent.ConcurrentHashMap;
34  
35  /**
36   * <a href="ResourceCodeLocalServiceImpl.java.html"><b><i>View Source</i></b>
37   * </a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class ResourceCodeLocalServiceImpl
43      extends ResourceCodeLocalServiceBaseImpl {
44  
45      @Transactional(propagation = Propagation.REQUIRES_NEW)
46      public ResourceCode getResourceCode(long codeId)
47          throws PortalException, SystemException {
48  
49          return resourceCodePersistence.findByPrimaryKey(codeId);
50      }
51  
52      @Transactional(propagation = Propagation.REQUIRES_NEW)
53      public ResourceCode getResourceCode(long companyId, String name, int scope)
54          throws SystemException {
55  
56          // Always cache the resource code. This table exists to improve
57          // performance. Create the resource code if one does not exist.
58  
59          String key = encodeKey(companyId, name, scope);
60  
61          ResourceCode resourceCode = _resourceCodes.get(key);
62  
63          if (resourceCode == null) {
64              resourceCode = resourceCodePersistence.fetchByC_N_S(
65                  companyId, name, scope);
66  
67              if (resourceCode == null) {
68                  long codeId = counterLocalService.increment(
69                      ResourceCode.class.getName());
70  
71                  resourceCode = resourceCodePersistence.create(codeId);
72  
73                  resourceCode.setCompanyId(companyId);
74                  resourceCode.setName(name);
75                  resourceCode.setScope(scope);
76  
77                  resourceCodePersistence.update(resourceCode, false);
78              }
79  
80              _resourceCodes.put(key, resourceCode);
81          }
82  
83          return resourceCode;
84      }
85  
86      protected String encodeKey(long companyId, String name, int scope) {
87          StringBuilder sb = new StringBuilder();
88  
89          sb.append(companyId);
90          sb.append(name);
91          sb.append(scope);
92  
93          return sb.toString();
94      }
95  
96      private static Map<String, ResourceCode> _resourceCodes =
97          new ConcurrentHashMap<String, ResourceCode>();
98  
99  }