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Java > Open Source Codes > org > mr > core > persistent > db > DBPersistencyManager


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Uri Schneider.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */

46
47 package org.mr.core.persistent.db;
48
49 import java.io.IOException JavaDoc;
50 import java.nio.ByteBuffer JavaDoc;
51
52 import org.mr.core.persistent.PersistentManager;
53 import org.mr.core.util.byteable.Byteable;
54
55 /**
56  * DBPersistencyManager.java
57  *
58  *
59  * Created: Mon Mar 21 15:26:55 2005
60  *
61  * @author Uri Schneider
62  * @version 1.0
63  */

64 public class DBPersistencyManager implements PersistentManager {
65     private String JavaDoc name;
66     private DBPersistencyProxy proxy;
67     public DBPersistencyManager(String JavaDoc name) {
68 // System.out.println("Creating persistent object " +
69
// (name == null ? "null" : name));
70
this.name = name;
71         this.proxy = DBPersistencyProxy.getInstance();
72     } // DBPersistencyManager constructor
73

74     /**
75      * constructor used for singletone PersistentManager
76      * used for example for retrieving services
77      */

78     public DBPersistencyManager() {
79         name = null;
80         this.proxy = DBPersistencyProxy.getInstance();
81     }
82
83     public void recover() {
84     }
85
86     public int[] getKeys() {
87         return this.proxy.getKeys(this.name);
88     }
89
90     public Object JavaDoc getPersistentObject(int i) {
91         return this.proxy.getPersistentObject(this.name, i);
92     }
93
94     public void deletePersistentObject(int i) {
95         this.proxy.deletePersistentObject(this.name, i);
96     }
97
98     public void savePersistentObject(int i, Byteable object)
99         throws IOException JavaDoc
100     {
101         this.proxy.savePersistentObject(this.name, i, object);
102     }
103
104     public void clearStorage() throws IOException JavaDoc {
105         this.proxy.clearStorage(this.name);
106     }
107
108     public void savePersistentBuffer(int i, ByteBuffer JavaDoc buffer)
109         throws IOException JavaDoc
110     {
111         this.proxy.savePersistentBuffer(this.name, i, buffer);
112     }
113
114     public ByteBuffer JavaDoc getPersistentBuffer(int i) {
115         return this.proxy.getPersistentBuffer(this.name, i);
116     }
117
118     public String JavaDoc getStorageName() {
119         return this.name;
120     }
121
122     public String JavaDoc[] getAllServices() {
123         return this.proxy.getAllServices();
124     }
125 } // DBPersistencyManager
126
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