Source Code Cross Referenced for WorkflowEvent.java in  » Wiki-Engine » JSPWiki » com » ecyrd » jspwiki » event » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Wiki Engine » JSPWiki » com.ecyrd.jspwiki.event 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         JSPWiki - a JSP-based WikiWiki clone.
003:
004:         Copyright (C) 2001-2006 Janne Jalkanen (Janne.Jalkanen@iki.fi)
005:
006:         This program is free software; you can redistribute it and/or modify
007:         it under the terms of the GNU Lesser General Public License as published by
008:         the Free Software Foundation; either version 2.1 of the License, or
009:         (at your option) any later version.
010:
011:         This program is distributed in the hope that it will be useful,
012:         but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:         GNU Lesser General Public License for more details.
015:
016:         You should have received a copy of the GNU Lesser General Public License
017:         along with this program; if not, write to the Free Software
018:         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         */
020:
021:        package com.ecyrd.jspwiki.event;
022:
023:        import com.ecyrd.jspwiki.workflow.Workflow;
024:
025:        /**
026:         * <p>
027:         * WorkflowEvent indicates that a state change to a Workflow: started, running,
028:         * waiting, completed, aborted. These correspond exactly to the states described
029:         * in the {@link com.ecyrd.jspwiki.workflow.Workflow}. All events are logged
030:         * with priority INFO.
031:         * </p>
032:         * 
033:         * @author Andrew Jaquith
034:         * @since 2.3.79
035:         */
036:        public final class WorkflowEvent extends WikiEvent {
037:
038:            private static final long serialVersionUID = 1L;
039:
040:            /**
041:             * After Workflow instantiation.
042:             */
043:            public static final int CREATED = 0;
044:
045:            /**
046:             * After the Workflow has been instantiated, but before it has been started
047:             * using the {@link com.ecyrd.jspwiki.workflow.Workflow#start()} method.
048:             */
049:            public static final int STARTED = 10;
050:
051:            /**
052:             * fter the Workflow has been started (or re-started) using the
053:             * {@link com.ecyrd.jspwiki.workflow.Workflow#start()} method, 
054:             * but before it has finished processing all Steps.
055:             */
056:            public static final int RUNNING = 20;
057:
058:            /**
059:             * When the Workflow has temporarily paused, for example because of a
060:             * pending Decision.
061:             */
062:            public static final int WAITING = 30;
063:
064:            /** After the Workflow has finished processing all Steps, without errors. */
065:            public static final int COMPLETED = 40;
066:
067:            /** If a Step has elected to abort the Workflow. */
068:            public static final int ABORTED = 50;
069:
070:            /**
071:             * Constructs a new instance of this event type, which signals a security
072:             * event has occurred. The <code>source</code> parameter is required, and
073:             * may not be <code>null</code>. When the WikiSecurityEvent is
074:             * constructed, the security logger {@link WikiSecurityEvent#log} is notified.
075:             * 
076:             * @param src
077:             *            the source of the event, which can be any object: a wiki page,
078:             *            group or authentication/authentication/group manager.
079:             * @param type
080:             *            the type of event
081:             */
082:            public WorkflowEvent(Object src, int type) {
083:                super (src, type);
084:                if (src == null) {
085:                    throw new IllegalArgumentException(
086:                            "Argument(s) cannot be null.");
087:                }
088:            }
089:
090:            /**
091:             * Convenience method that returns the Workflow to which the event applied.
092:             * 
093:             * @return the Workflow
094:             */
095:            public final Workflow getWorkflow() {
096:                return (Workflow) super .getSource();
097:            }
098:
099:            /**
100:             * Prints a String (human-readable) representation of this object.
101:             * 
102:             * @see java.lang.Object#toString()
103:             */
104:            public final String toString() {
105:                StringBuffer msg = new StringBuffer();
106:                msg.append("WorkflowEvent.");
107:                msg.append(eventName(getType()));
108:                msg.append(" [source=" + getSource().toString());
109:                msg.append("]");
110:                return msg.toString();
111:            }
112:
113:            /**
114:             * Returns a textual representation of an event type.
115:             * 
116:             * @param type
117:             *            the type
118:             * @return the string representation
119:             */
120:            public final String eventName(int type) {
121:                switch (type) {
122:                case CREATED:
123:                    return "CREATED";
124:                case ABORTED:
125:                    return "ABORTED";
126:                case COMPLETED:
127:                    return "COMPLETED";
128:                case RUNNING:
129:                    return "RUNNING";
130:                case STARTED:
131:                    return "STARTED";
132:                case WAITING:
133:                    return "WAITING";
134:                default:
135:                    return super.eventName();
136:                }
137:            }
138:
139:        }
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