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1   //----------------------------------------------------------------------
2   // 
3   // PerfectJPattern: "Design patterns are good but components are better!" 
4   // ISessionStrategy.java Copyright (c) 2009 Giovanni Azua Garcia
5   // bravegag@hotmail.com
6   //  
7   // This program is free software; you can redistribute it and/or
8   // modify it under the terms of the GNU General Public License
9   // as published by the Free Software Foundation; either version 3
10  // of the License, or (at your option) any later version.
11  //
12  // This program is distributed in the hope that it will be useful,
13  // but WITHOUT ANY WARRANTY; without even the implied warranty of
14  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  // GNU General Public License for more details.
16  //
17  // You should have received a copy of the GNU General Public License
18  // along with this program; if not, see <http://www.gnu.org/licenses/>.
19  //
20  //----------------------------------------------------------------------
21  package org.perfectjpattern.jee.api.integration.dao;
22  
23  import org.perfectjpattern.core.api.behavioral.strategy.*;
24  
25  /**
26   * Abstract {@link IStrategy} reusable by {@link IGenericReadOnlyDao} 
27   * that defines:
28   * <ul>
29   * <li>Defines retrieval of instances of JPA implementation-specific 
30   * <code>Session</code> instances</li>
31   * <li>defines shutdown</li>
32   * </ul>
33   * 
34   * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
35   * @version $Revision: 1.0 $Date: Feb 8, 2009 2:20:43 PM $
36   */
37  public 
38  interface ISessionStrategy
39  extends IStrategy
40  {
41      //------------------------------------------------------------------------
42      // public
43      //------------------------------------------------------------------------
44      /**
45       * Returns the adapted JPA implementation-specific <code>ISession</code>
46       * 
47       * @return adapted JPA implementation-specific <code>ISession</code>
48       */
49      public ISession
50      getSession();
51  
52      //------------------------------------------------------------------------
53      /**
54       * Shutdown the underlying provider of <code>Session</code> instances
55       */
56      public void
57      shutdown();
58  }