1 /*
2 * Zemucan: A Syntax Assistant for DB2
3 * Copyright (C) 2009, 2010 Andres Gomez Casanova
4 *
5 * This file is part of Zemucan.
6 *
7 * Zemucan is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Zemucan is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, see <http://www.gnu.org/licenses/>.
19 *
20 * Contact:
21 * a n g o c a at y a h o o dot c o m
22 * Cra. 45 No 61 - 31, Bogota, Colombia.
23 *
24 * Author: $LastChangedBy: angoca $:
25 * Date: $LastChangedDate: 2011-03-06 09:19:05 -0500 (dom, 06 mar 2011) $:
26 * Revision: $LastChangedRevision: 1910 $:
27 * URL: $HeadURL: https://zemucan.svn.sourceforge.net/svnroot/zemucan/branches/zemucan_v1/source-code/graph/src/main/java/name/angoca/zemucan/core/graph/model/GraphState.java $:
28 */
29 package name.angoca.zemucan.core.graph.model;
30
31 /**
32 * Exception that represents an invalid state in the graph. This is thrown when
33 * trying to retrieve something from the graph, when the graph is still under
34 * construction or it has not been validated.
35 * <p>
36 * <b>Control Version</b>
37 * <p>
38 * <ul>
39 * <li>1.0.0 Class creation.</li>
40 * </ul>
41 *
42 * @author Andres Gomez Casanova <a
43 * href="mailto:a n g o c a at y a h o o dot c o m">(AngocA)</a>
44 * @version 1.0.0 2009-11-07
45 */
46 public enum GraphState {
47 /**
48 * The graph is in FirstPhase. It can be possible to add nodes, but not
49 * relations.
50 */
51 FirstPhase,
52 /**
53 * The graph is in SecondPhase. All the node are defined in the graph, and
54 * it can be possible to define relations between them. However it is not
55 * possible to add more nodes.
56 */
57 SecondPhase,
58 /**
59 * The graph is in Validated state. That means that the graph is valid.
60 * However, it is possible to add more nodes and the graph will change
61 * automatically to SecondPhase state.
62 */
63 Validated
64 }