Source Code Cross Referenced for Process.java in  » Workflow-Engines » osbl-1_0 » org » concern » model » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » osbl 1_0 » org.concern.model 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: Process.java 561 2005-10-24 16:27:03Z nebulosu $
003:         * (c) Copyright 2004 con:cern development team.
004:         *
005:         * This file is part of con:cern (http://concern.sf.net).
006:         *
007:         * con:cern is free software; you can redistribute it and/or modify
008:         * it under the terms of the GNU Lesser General Public License
009:         * as published by the Free Software Foundation; either version 2.1
010:         * of the License, or (at your option) any later version.
011:         *
012:         * Please see COPYING for the complete licence.
013:         */
014:        package org.concern.model;
015:
016:        import javax.swing.event.EventListenerList;
017:        import java.util.*;
018:        import java.beans.PropertyChangeListener;
019:        import java.beans.PropertyChangeEvent;
020:
021:        /**
022:         * @version $Revision: 561 $
023:         */
024:        public class Process extends Element implements  PropertyChangeListener {
025:            private String subject;
026:            private Loader loader;
027:            private SortedSet actors = new TreeSet();
028:            private SortedSet activities = new TreeSet();
029:            private SortedSet conditions = new TreeSet();
030:            private SortedSet events = new TreeSet();
031:            private SortedSet listeners = new TreeSet();
032:            private SortedSet collaborators = new TreeSet();
033:
034:            EventListenerList listenerList = new EventListenerList();
035:
036:            public Process(String name) {
037:                super (name);
038:            }
039:
040:            public String getSubject() {
041:                return subject;
042:            }
043:
044:            public void setSubject(String subject) {
045:                Object old = this .subject;
046:                this .subject = subject;
047:                changes.firePropertyChange("subject", old, subject);
048:            }
049:
050:            public Loader getLoader() {
051:                return loader;
052:            }
053:
054:            public void setLoader(Loader loader) {
055:                Object old = this .loader;
056:                this .loader = loader;
057:                changes.firePropertyChange("loader", old, loader);
058:            }
059:
060:            public void addActor(Actor actor) {
061:                if (actors.add(actor)) {
062:                    actor.addPropertyChangeListener("name", this );
063:                    fireNodeAdded(actor);
064:                }
065:            }
066:
067:            public void removeActor(Actor actor) {
068:                if (actors.remove(actor)) {
069:                    fireNodeRemoved(actor);
070:                    actor.removePropertyChangeListener("name", this );
071:                }
072:            }
073:
074:            public Actor getActor(String name) {
075:                return (Actor) getElement(actors, name);
076:            }
077:
078:            public Collection getActors() {
079:                return Collections.unmodifiableCollection(actors);
080:            }
081:
082:            public void addActivity(Activity activity) {
083:                if (activities.add(activity)) {
084:                    activity.addPropertyChangeListener("name", this );
085:                    fireNodeAdded(activity);
086:                }
087:            }
088:
089:            public void removeActivity(Activity activity) {
090:                if (activities.remove(activity)) {
091:                    fireNodeRemoved(activity);
092:                    activity.removePropertyChangeListener("name", this );
093:                }
094:            }
095:
096:            public Activity getActivity(String name) {
097:                return (Activity) getElement(activities, name);
098:            }
099:
100:            public Collection getActivities() {
101:                return Collections.unmodifiableCollection(activities);
102:            }
103:
104:            public void addCondition(Condition condition) {
105:                if (conditions.add(condition)) {
106:                    condition.addPropertyChangeListener("name", this );
107:                    fireNodeAdded(condition);
108:                }
109:            }
110:
111:            public void removeCondition(Condition condition) {
112:                if (conditions.remove(condition)) {
113:                    fireNodeRemoved(condition);
114:                    condition.removePropertyChangeListener("name", this );
115:                }
116:            }
117:
118:            public Condition getCondition(String name) {
119:                return (Condition) getElement(conditions, name);
120:            }
121:
122:            public Collection getConditions() {
123:                return Collections.unmodifiableCollection(conditions);
124:            }
125:
126:            public void addEvent(Event event) {
127:                if (events.add(event)) {
128:                    event.addPropertyChangeListener("name", this );
129:                    fireNodeAdded(event);
130:                }
131:            }
132:
133:            public void removeEvent(Event event) {
134:                if (events.remove(event)) {
135:                    fireNodeRemoved(event);
136:                    event.removePropertyChangeListener("name", this );
137:                }
138:            }
139:
140:            public Event getEvent(String name) {
141:                return (Event) getElement(events, name);
142:            }
143:
144:            public Collection getEvents() {
145:                return Collections.unmodifiableCollection(events);
146:            }
147:
148:            public void addListener(Listener listener) {
149:                if (listeners.add(listener)) {
150:                    listener.addPropertyChangeListener("name", this );
151:                    fireNodeAdded(listener);
152:                }
153:            }
154:
155:            public void removeListener(Listener listener) {
156:                if (listeners.remove(listener)) {
157:                    fireNodeRemoved(listener);
158:                    listener.removePropertyChangeListener("name", this );
159:                }
160:            }
161:
162:            public Listener getListener(String name) {
163:                return (Listener) getElement(listeners, name);
164:            }
165:
166:            public Collection getListeners() {
167:                return Collections.unmodifiableCollection(listeners);
168:            }
169:
170:            public void addCollaborator(Collaborator collaborator) {
171:                if (collaborators.add(collaborator)) {
172:                    collaborator.addPropertyChangeListener("name", this );
173:                    fireNodeAdded(collaborator);
174:                }
175:            }
176:
177:            public void removeCollaborator(Collaborator collaborator) {
178:                if (collaborators.remove(collaborator)) {
179:                    fireNodeRemoved(collaborator);
180:                    collaborator.removePropertyChangeListener("name", this );
181:                }
182:            }
183:
184:            public Collaborator getCollaborator(String name) {
185:                return (Collaborator) getElement(collaborators, name);
186:            }
187:
188:            public Collection getCollaborators() {
189:                return Collections.unmodifiableCollection(collaborators);
190:            }
191:
192:            public void propertyChange(PropertyChangeEvent evt) {
193:                fireNodeChanged((Element) evt.getSource());
194:            }
195:
196:            protected void fireNodeAdded(Element element) {
197:                Object[] listeners = listenerList.getListenerList();
198:                ProcessChangeEvent e = new ProcessChangeEvent(this , element,
199:                        ProcessChangeEvent.ADDED);
200:
201:                for (int i = listeners.length - 2; i >= 0; i -= 2) {
202:                    if (listeners[i] == ProcessChangeListener.class) {
203:                        ((ProcessChangeListener) listeners[i + 1]).nodeAdded(e);
204:                    }
205:                }
206:            }
207:
208:            protected void fireNodeRemoved(Element element) {
209:                Object[] listeners = listenerList.getListenerList();
210:                ProcessChangeEvent e = new ProcessChangeEvent(this , element,
211:                        ProcessChangeEvent.REMOVED);
212:
213:                for (int i = listeners.length - 2; i >= 0; i -= 2) {
214:                    if (listeners[i] == ProcessChangeListener.class) {
215:                        ((ProcessChangeListener) listeners[i + 1])
216:                                .nodeRemoved(e);
217:                    }
218:                }
219:            }
220:
221:            protected void fireNodeChanged(Element element) {
222:                Object[] listeners = listenerList.getListenerList();
223:                ProcessChangeEvent e = new ProcessChangeEvent(this , element,
224:                        ProcessChangeEvent.CHANGED);
225:
226:                for (int i = listeners.length - 2; i >= 0; i -= 2) {
227:                    if (listeners[i] == ProcessChangeListener.class) {
228:                        ((ProcessChangeListener) listeners[i + 1])
229:                                .nodeChanged(e);
230:                    }
231:                }
232:            }
233:
234:            public void addProcessChangeListener(ProcessChangeListener listener) {
235:                listenerList.add(ProcessChangeListener.class, listener);
236:            }
237:
238:            public void removeProcessChangeListener(
239:                    ProcessChangeListener listener) {
240:                listenerList.remove(ProcessChangeListener.class, listener);
241:            }
242:
243:            public void addElement(Element element) {
244:                if (element instanceof  Collaborator) {
245:                    Collaborator collaborator = (Collaborator) element;
246:                    element.setName(unifyName(getCollaborators(), element
247:                            .getName()));
248:                    addCollaborator(collaborator);
249:                } else if (element instanceof  Actor) {
250:                    Actor actor = (Actor) element;
251:                    element.setName(unifyName(getActors(), element.getName()));
252:                    addActor(actor);
253:                } else if (element instanceof  Condition) {
254:                    Condition condition = (Condition) element;
255:                    element.setName(unifyName(getConditions(), element
256:                            .getName()));
257:                    addCondition(condition);
258:                } else if (element instanceof  Event) {
259:                    Event event = (Event) element;
260:                    element.setName(unifyName(getEvents(), element.getName()));
261:                    addEvent(event);
262:                } else if (element instanceof  Activity) {
263:                    Activity activity = (Activity) element;
264:                    element.setName(unifyName(getActivities(), element
265:                            .getName()));
266:                    addActivity(activity);
267:                } else if (element instanceof  Listener) {
268:                    Listener listener = (Listener) element;
269:                    element
270:                            .setName(unifyName(getListeners(), element
271:                                    .getName()));
272:                    addListener(listener);
273:                }
274:            }
275:
276:            private String unifyName(Collection elements, String name) {
277:                if (getElement(elements, name) == null)
278:                    return name;
279:
280:                int i = 2;
281:                while (getElement(elements, name + " " + i) != null)
282:                    i++;
283:
284:                return name + " " + i;
285:            }
286:
287:            private Element getElement(Collection elements, String name) {
288:                for (Iterator iterator = elements.iterator(); name != null
289:                        && iterator.hasNext();) {
290:                    Element element = (Element) iterator.next();
291:                    if (name.equals(element.getName()))
292:                        return element;
293:                }
294:                return null;
295:            }
296:
297:            public void removeNode(Element element) {
298:                boolean removed = false;
299:                removed |= conditions.remove(element);
300:                removed |= activities.remove(element);
301:                removed |= events.remove(element);
302:                removed |= listeners.remove(element);
303:                removed |= actors.remove(element);
304:                removed |= collaborators.remove(element);
305:                if (removed)
306:                    fireNodeRemoved(element);
307:            }
308:        }
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