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Java > Open Source Codes > com > lutris > appserver > server > sql > ObjectIdAllocator


1 /*
2  * Enhydra Java Application Server Project
3  *
4  * The contents of this file are subject to the Enhydra Public License
5  * Version 1.1 (the "License"); you may not use this file except in
6  * compliance with the License. You may obtain a copy of the License on
7  * the Enhydra web site ( http://www.enhydra.org/ ).
8  *
9  * Software distributed under the License is distributed on an "AS IS"
10  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
11  * the License for the specific terms governing rights and limitations
12  * under the License.
13  *
14  * The Initial Developer of the Enhydra Application Server is Lutris
15  * Technologies, Inc. The Enhydra Application Server and portions created
16  * by Lutris Technologies, Inc. are Copyright Lutris Technologies, Inc.
17  * All Rights Reserved.
18  *
19  * Contributor(s):
20  *
21  * $Id: ObjectIdAllocator.java,v 1.1 2004/09/03 13:42:38 sinisa Exp $
22  */
23 package com.lutris.appserver.server.sql;
24
25 /**
26  * Defines the object id allocator. An object id allocator is an integral
27  * part of a logical database implementation. It manages the allocation
28  * of unique object ids.
29  *
30  * @author Paul Morgan
31  * @since LBS1.8
32  * @version $Revision: 1.1 $
33  */
34 public interface ObjectIdAllocator {
35
36     /**
37      * Allocate a new and unique object id.
38      */
39     ObjectId allocate();
40
41     /**
42      * Check does oid belong to Object id's range [minOId, currentOId]
43      *
44      * @param oid
45      * oid which will be checked.
46      * @exception ObjectIdException
47      * If a oid does't belong to range.
48      */
49     void checkOId(ObjectId oid) throws ObjectIdException;
50 }
51
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