EnhDatabase


1   // You can redistribute this software and/or modify it under the terms of
2   // the Ozone Library License version 1 published by ozone-db.org.
3   //
4   // The original code and portions created by SMB are
5   // Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
6   //
7   // $Id: EnhDatabase.java,v 1.1 2001/12/18 10:31:31 per_nyfelt Exp $
8   
9   package org.ozoneDB.odmg;
10  
11  import java.util.*;
12  import org.odmg.*;
13  
14  
15  /**
16   * This interface enhances the original ODMG {@link Database} interface by a
17   * standard way to create persistent objects. Using this interface instead of
18   * ODMG {@link Database} allows to keep the application code independent of the
19   * actual underlying database. {@link OzoneODMGDatabase} implements this
20   * interface already. All other databases need a wrapper that implements this
21   * interface.
22   * 
23   * 
24   * @author <a HREF="http://www.softwarebuero.de/">SMB</a>
25   * @version $Revision: 1.1 $Date: 2001/12/18 10:31:31 $
26   */
27  public interface EnhDatabase extends Database {
28      
29      
30      /**
31       * Create a new persistent instance of the given class. This method must be
32       * executed in the context of an open transaction. If the transaction in
33       * which this method is executed commits, then the object is made durable.
34       * ClassNotPersistenceCapableException is thrown if the implementation
35       * cannot make the object persistent because of the type of the object.
36       */
37      public Object   createPersistent( Class   cl );
38      
39  }
40

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