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Java > Open Source Codes > com > db4o > test > CallbackCanDelete


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 package com.db4o.test;
22
23 import com.db4o.*;
24
25
26 public class CallbackCanDelete {
27     
28     public String JavaDoc _name;
29     
30     public CallbackCanDelete _next;
31     
32     public CallbackCanDelete() {
33     
34     }
35
36     public CallbackCanDelete(String JavaDoc name_, CallbackCanDelete next_) {
37         _name = name_;
38         _next = next_;
39     }
40     
41     public void storeOne(){
42         Test.deleteAllInstances(this);
43         _name = "p1";
44         _next = new CallbackCanDelete("c1", null);
45     }
46     
47     public void test(){
48         ObjectContainer oc = Test.objectContainer();
49         ObjectSet objectSet = oc.get(new CallbackCanDelete("p1", null));
50         CallbackCanDelete ccd = (CallbackCanDelete) objectSet.next();
51         oc.deactivate(ccd, Integer.MAX_VALUE);
52         oc.delete(ccd);
53     }
54     
55     
56     public boolean objectCanDelete(ObjectContainer container){
57         container.activate(this, Integer.MAX_VALUE);
58         Test.ensure(_name.equals("p1"));
59         Test.ensure(_next != null);
60         return true;
61     }
62     
63 }
64
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