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Java > Open Source Codes > com > db4o > diagnostic > DiagnosticBase


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.diagnostic;
22
23 import com.db4o.*;
24
25
26 /**
27  * base class for Diagnostic messages
28  */
29 public abstract class DiagnosticBase implements Diagnostic{
30     
31     /**
32      * returns the reason for the message
33      */
34     public abstract Object JavaDoc reason();
35     
36     /**
37      * returns the potential problem that triggered the message
38      */
39     public abstract String JavaDoc problem();
40     
41     /**
42      * suggests a possible solution for the possible problem
43      */
44     public abstract String JavaDoc solution();
45     
46     public String JavaDoc toString() {
47         return ":: db4o " + Db4oVersion.NAME + " Diagnostics ::\n " + reason() + " :: " + problem() + "\n " + solution();
48     }
49
50 }
51
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