SqlTimeFieldMapping


1   /**
2    * Copyright (C) 2001-2004 France Telecom R&D
3    *
4    * This library is free software; you can redistribute it and/or
5    * modify it under the terms of the GNU Lesser General Public
6    * License as published by the Free Software Foundation; either
7    * version 2 of the License, or (at your option) any later version.
8    *
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   * Lesser General Public License for more details.
13   *
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this library; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17   */
18  package org.objectweb.speedo.lib;
19  
20  import org.objectweb.speedo.api.UserFieldMapping;
21  
22  /**
23   *
24   * @author S.Chassande-Barrioz
25   */
26  public class SqlTimeFieldMapping implements UserFieldMapping {
27      /**
28       * Retrieves the java type corresponding to the type into the data support.
29       * @return a Class object (never null).
30       */
31      public Class   getStorageType() {
32          return java.util.Date  .class;
33      }
34  
35      /**
36       * Retrieves the java type corresponding to the type in memory.
37       * @return a Class object (never null).
38       */
39      public Class   getMemoryType() {
40          return java.sql.Time  .class;
41      }
42  
43      /**
44       * Converts a value from the data support into a value in memory
45       * @param storagevalue is the value store in the support (can be null).
46       * @return the value in memory (can be null).
47       */
48      public Object   toMemory(Object   storagevalue) {
49          if (storagevalue == null) {
50              return null;
51          }
52          return (storagevalue instanceof java.sql.Time  
53                  ? storagevalue
54                  : new java.sql.Time  (((java.util.Date  ) storagevalue).getTime()));
55      }
56  
57      /**
58       * Converts a value from the data support into a value in memory
59       * @param memoryvalue the value in memory (can be null).
60       * @return is the value store in the support (can be null).
61       */
62      public Object   toStorage(Object   memoryvalue) {
63          return memoryvalue;
64      }
65  }
66
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