MemoryInstanceManager


1   /**
2    * Copyright (C) 2001-2002
3    * - France Telecom R&D
4    * - Laboratoire Logiciels, Systemes, Reseaux - UMR 5526, CNRS-INPG-UJF
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2 of the License, or (at your option) any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   *
20   * Release: 1.0
21   *
22   * Authors:
23   *
24   */
25  
26  package org.objectweb.perseus.persistence.api;
27  
28  /**
29   * It defines a memory instance manager able to create memory instance since
30   * an identifier.
31   * The method releaseInstance permit to use a Pool of memory instance manager.
32   *
33   * @author S.Chassande-Barrioz, P.Dechamboux
34   */
35  public interface MemoryInstanceManager {
36  
37      /**
38       * It creates an instance since an identifier
39       * @param oid is the identifier of the futur object
40       * @param context can be used by the naming to access to the support
41       * @return a memory instance
42       * @throws PersistenceException if an error occured during the instanciation
43       * of the memory instance.
44       */
45      Object   newInstance(Object   oid,
46                         ConnectionHolder context) throws PersistenceException;
47  }
48

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