SequenceManager


1   /**
2    * Speedo: an implementation of JDO compliant personality on top of JORM generic
3    * I/O sub-system.
4    * Copyright (C) 2001-2004 France Telecom R&D
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   *
21   *
22   * Contact: speedo@objectweb.org
23   *
24   */
25  
26  package org.objectweb.speedo.sequence.api;
27  
28  import javax.jdo.datastore.Sequence;
29  
30  import org.objectweb.jorm.api.PMapper;
31  import org.objectweb.speedo.pm.api.ProxyManagerFactory;
32  
33  /**
34   * Class to manage sequences defined for a pmf.
35   * @author Y.Bersihand
36   */
37  public interface SequenceManager {
38  
39      /**
40       * Get the long generator manager.
41       */
42      Object   getLongGenMgr ();
43      
44      /**
45       * Set the long generator manager.
46       */
47      void setLongGenMgr (Object   longGenMgr);
48      
49      /**
50       * Add the sequence if not already registered in the list of sequences defined for this pmf.
51       * @param sequence
52       */
53      void addSequence(Object   sequence); 
54      
55      /**
56       * Try to remove the sequence identified by the sequenceName 
57       * from the list of sequences defined for this pmf.
58       * If the sequence does not exist, nothing is done.
59       * @param sequenceName the fully qualified name of the sequence, 
60       * i.e "packageName.sequenceName".
61       */
62      void removeSequence(String   sequenceName);
63      
64      /**
65       * Return the sequence associated to the name parameter.
66       * If no sequence is found, return null.
67       * @param name the fully qualified name of the sequence, 
68       * i.e "packageName.sequenceName".
69       */
70      Sequence getSequence(String   name);
71      
72      PMapper getMapper();
73  
74      void setMapper(PMapper mapper);
75      
76      ProxyManagerFactory getPMF();
77      
78      void setPMF(ProxyManagerFactory pmf);
79  }
80
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