001: /*--
002:
003: Copyright (C) 2002 Anthony Eden.
004: All rights reserved.
005:
006: Redistribution and use in source and binary forms, with or without
007: modification, are permitted provided that the following conditions
008: are met:
009:
010: 1. Redistributions of source code must retain the above copyright
011: notice, this list of conditions, and the following disclaimer.
012:
013: 2. Redistributions in binary form must reproduce the above copyright
014: notice, this list of conditions, and the disclaimer that follows
015: these conditions in the documentation and/or other materials
016: provided with the distribution.
017:
018: 3. The names "OBE" and "Open Business Engine" must not be used to
019: endorse or promote products derived from this software without prior
020: written permission. For written permission, please contact
021: me@anthonyeden.com.
022:
023: 4. Products derived from this software may not be called "OBE" or
024: "Open Business Engine", nor may "OBE" or "Open Business Engine"
025: appear in their name, without prior written permission from
026: Anthony Eden (me@anthonyeden.com).
027:
028: In addition, I request (but do not require) that you include in the
029: end-user documentation provided with the redistribution and/or in the
030: software itself an acknowledgement equivalent to the following:
031: "This product includes software developed by
032: Anthony Eden (http://www.anthonyeden.com/)."
033:
034: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
035: WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
036: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
037: DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
038: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
039: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
040: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
041: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
042: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
043: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
044: POSSIBILITY OF SUCH DAMAGE.
045:
046: For more information on OBE, please see <http://obe.sourceforge.net/>.
047:
048: */
049:
050: package org.wfmc.wapi;
051:
052: /**
053: * Describes the supported states of a process definition. The states and their
054: * descriptions are taken from WfMC Interface 2/3.
055: *
056: * @author Adrian Price
057: */
058: public final class WMProcessDefinitionState extends WMObjectState {
059: private static final long serialVersionUID = 1612969421701227549L;
060:
061: /**
062: * @see #DISABLED
063: */
064: public static final int DISABLED_INT = 0;
065: /**
066: * @see #ENABLED
067: */
068: public static final int ENABLED_INT = 1;
069: /**
070: * @see #DISABLED
071: */
072: public static final String DISABLED_TAG = "disabled";
073: /**
074: * @see #ENABLED
075: */
076: public static final String ENABLED_TAG = "enabled";
077: private static final String[] TAGS = { DISABLED_TAG, ENABLED_TAG };
078:
079: /**
080: * The process definition is disabled, and new instances cannot be created.
081: */
082: public static final WMProcessDefinitionState DISABLED = new WMProcessDefinitionState(
083: DISABLED_INT);
084: /**
085: * The process definition is enabled, and new instances can be created.
086: */
087: public static final WMProcessDefinitionState ENABLED = new WMProcessDefinitionState(
088: ENABLED_INT);
089: private static final WMProcessDefinitionState[] VALUES = {
090: DISABLED, ENABLED };
091:
092: /**
093: * Create the process definition.
094: */
095: public static final int CREATE_ACTION = 0;
096: /**
097: * Delete the process definition.
098: */
099: public static final int DELETE_ACTION = 1;
100: /**
101: * Disable the process definition.
102: */
103: public static final int DISABLE_ACTION = 2;
104: /**
105: * Enable the process definition.
106: */
107: public static final int ENABLE_ACTION = 3;
108: /**
109: * Update the process definition.
110: */
111: public static final int UPDATE_ACTION = 4;
112:
113: // new state = STATES[state][action]
114: private static final int[][] STATES = {
115: //CREATE, DELETE, DISABLE, ENABLE, UPDATE
116: { ILLEGAL_ACTION, DISABLED_INT, DISABLED_INT, ENABLED_INT,
117: DISABLED_INT },
118: // DISABLED
119: { ILLEGAL_ACTION, ENABLED_INT, DISABLED_INT, ENABLED_INT,
120: ENABLED_INT }
121: // ENABLED
122: };
123: // action = ACTIONS[state][newState]
124: private static final int[][] ACTIONS = {
125: // DISABLED, ENABLED
126: { NO_ACTION, ENABLE_ACTION }, // DISABLED
127: { DISABLE_ACTION, NO_ACTION } // ENABLED
128: };
129:
130: public static WMProcessDefinitionState valueOf(String state) {
131: return (WMProcessDefinitionState) valueOf(TAGS, VALUES, state);
132: }
133:
134: public static WMProcessDefinitionState valueOf(int state) {
135: return VALUES[state];
136: }
137:
138: public static WMProcessDefinitionState[] states() {
139: return (WMProcessDefinitionState[]) VALUES.clone();
140: }
141:
142: private WMProcessDefinitionState(int state) {
143: super (state);
144: }
145:
146: protected String[] getTags() {
147: return TAGS;
148: }
149:
150: protected WMObjectState[] getValues() {
151: return VALUES;
152: }
153:
154: protected int[] getStatesByAction() {
155: return STATES[_state];
156: }
157:
158: protected int[] getActionsByState() {
159: return ACTIONS[_state];
160: }
161: }
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