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

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Workflow Engines » osbl 1_0 » org.concern.controller 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: Worklist.java 1296 2007-08-09 13:25:14Z hengels $
003:         * (c) Copyright 2004 con:cern development team.
004:         *
005:         * This file is part of con:cern (http://concern.org).
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.controller;
015:
016:        import org.concern.*;
017:        import org.concern.Subject;
018:        import org.concern.Assignment;
019:        import org.hibernate.*;
020:        import org.apache.commons.logging.LogFactory;
021:
022:        import javax.transaction.TransactionManager;
023:        import java.sql.Timestamp;
024:        import java.util.*;
025:
026:        /**
027:         * @author hengels
028:         * @version $Revision: 1296 $
029:         */
030:        public class Worklist implements  org.concern.Worklist {
031:            private static org.apache.commons.logging.Log LOG = LogFactory
032:                    .getLog(Worklist.class);
033:
034:            private long timerInterval = 10000;
035:            Sessions sessions = new DefaultSessions();
036:            private Transactions transactions = new Transactions(
037:                    new NoTransactionManager(sessions));
038:
039:            private java.util.Timer timer;
040:            private TimeoutTask timeoutTask;
041:            private List<AssignmentListener> eventListeners = new ArrayList<AssignmentListener>();
042:
043:            public long getTimerInterval() {
044:                return timerInterval;
045:            }
046:
047:            public void setTimerInterval(long timerInterval) {
048:                this .timerInterval = timerInterval;
049:            }
050:
051:            public void setSessionFactory(SessionFactory sessionFactory) {
052:                this .sessions.setSessionFactory(sessionFactory);
053:            }
054:
055:            public void setTransactionManager(
056:                    TransactionManager transactionManager) {
057:                this .transactions.setTransactionManager(transactionManager);
058:                SessionFactory sessionFactory = this .sessions
059:                        .getSessionFactory();
060:                this .sessions = new JTASessions();
061:                this .sessions.setSessionFactory(sessionFactory);
062:                this .sessions.setTransactionManager(transactionManager);
063:            }
064:
065:            public List<Subject> listSubjects(String[] assignees,
066:                    String[] processes, String[] keywords,
067:                    String[] originators, int state, String[] orders,
068:                    String language, int maxResults) {
069:                try {
070:                    StringBuffer buffer = new StringBuffer();
071:                    buffer
072:                            .append("select new org.concern.Subject(subject.process, subject.userValue, line.line, subject.originator, subject.created, subject.state)");
073:                    buffer
074:                            .append(" from Subject subject inner join subject.subjectLines line");
075:                    buffer.append(" where subject.state = :state");
076:                    buffer.append(" and :language = line.language");
077:
078:                    if (processes != null && processes.length != 0)
079:                        buffer.append(" and subject.process in (:processes)");
080:
081:                    if (keywords != null) {
082:                        for (int i = 0; i < keywords.length; i++) {
083:                            String keyword = keywords[i];
084:                            if ('-' == keyword.charAt(0))
085:                                buffer
086:                                        .append(" and line.line not like :keyword"
087:                                                + i);
088:                            else
089:                                buffer.append(" and line.line like :keyword"
090:                                        + i);
091:                        }
092:                    }
093:
094:                    if (originators != null && originators.length != 0)
095:                        buffer
096:                                .append(" and subject.originator in (:originators)");
097:
098:                    if (orders != null && orders.length != 0) {
099:                        buffer.append(" order by ");
100:                        for (int i = 0; i < orders.length; i++) {
101:                            String order = orders[i];
102:                            if (i > 0)
103:                                buffer.append(", ");
104:
105:                            appendOrder(order, buffer);
106:                        }
107:                    } else
108:                        buffer.append(" order by subject.process, line.line");
109:
110:                    transactions.beginRequired();
111:                    Query query = sessions.getSession().createQuery(
112:                            buffer.toString()).setInteger("state", state)
113:                            .setParameter("language", language).setFetchSize(
114:                                    maxResults);
115:                    if (processes != null && processes.length != 0)
116:                        query.setParameterList("processes", Arrays
117:                                .asList(processes));
118:                    if (keywords != null) {
119:                        for (int i = 0; i < keywords.length; i++) {
120:                            String keyword = keywords[i];
121:                            if ('-' == keyword.charAt(0)
122:                                    || '+' == keyword.charAt(0))
123:                                query.setParameter("keyword" + i, "%"
124:                                        + keyword.substring(1) + "%");
125:                            else
126:                                query.setParameter("keyword" + i, "%" + keyword
127:                                        + "%");
128:                        }
129:                    }
130:                    if (originators != null && originators.length != 0)
131:                        query.setParameterList("originators", Arrays
132:                                .asList(originators));
133:                    List<Subject> list = query.list();
134:
135:                    if (list.size() != 0 && assignees != null
136:                            && assignees.length != 0) {
137:                        Map<String, Subject> byUserValue = new HashMap<String, Subject>();
138:                        for (Iterator iterator = list.iterator(); iterator
139:                                .hasNext();) {
140:                            Subject subject = (Subject) iterator.next();
141:                            byUserValue.put(subject.getProcess()
142:                                    + subject.getSubjectId(), subject);
143:                        }
144:                        buffer = new StringBuffer();
145:                        buffer
146:                                .append("select subject.process || subject.userValue, enlistment.activity");
147:                        buffer.append(" from Subject subject");
148:                        buffer
149:                                .append(" inner join subject.enlistments enlistment");
150:                        buffer
151:                                .append(" inner join enlistment.assignments assignment");
152:                        buffer.append(" where enlistment.timeout = "
153:                                + Long.MAX_VALUE);
154:                        buffer
155:                                .append(" and subject.process || subject.userValue in (:userValues)");
156:                        buffer
157:                                .append(" and assignment.assignee in (:assignees)");
158:                        query = sessions.getSession().createQuery(
159:                                buffer.toString());
160:                        query.setParameterList("userValues", byUserValue
161:                                .keySet());
162:                        query.setParameterList("assignees", Arrays
163:                                .asList(assignees));
164:                        List options = query.list();
165:                        for (Iterator iterator = options.iterator(); iterator
166:                                .hasNext();) {
167:                            Object[] objects = (Object[]) iterator.next();
168:                            Subject subject = byUserValue.get(objects[0]);
169:                            subject.getOptions().add(objects[1]);
170:                        }
171:
172:                        for (Iterator<Subject> iterator = list.iterator(); iterator
173:                                .hasNext();) {
174:                            Subject subject = iterator.next();
175:                            if (subject.getOptions().size() == 0)
176:                                iterator.remove();
177:                        }
178:                    }
179:
180:                    return list;
181:                } finally {
182:                    try {
183:                        transactions.endRequired();
184:                    } catch (ControllerException t) {
185:                        t.printStackTrace();
186:                        throw t;
187:                    }
188:                }
189:            }
190:
191:            public List<Subject> listArchivedSubjects(String[] processes,
192:                    String[] keywords, String[] originators, String[] orders,
193:                    String language, int maxResults) {
194:                try {
195:                    StringBuffer buffer = new StringBuffer();
196:                    buffer
197:                            .append("select new org.concern.Subject(subject.process, subject.userValue, line.line, subject.originator, subject.created, 5)");
198:                    buffer
199:                            .append(" from ArchiveSubject subject inner join subject.subjectLines line");
200:                    buffer.append(" where :language = line.language");
201:
202:                    if (processes != null && processes.length != 0)
203:                        buffer.append(" and subject.process in (:processes)");
204:
205:                    if (keywords != null) {
206:                        for (int i = 0; i < keywords.length; i++) {
207:                            String keyword = keywords[i];
208:                            if ('-' == keyword.charAt(0))
209:                                buffer
210:                                        .append(" and line.line not like :keyword"
211:                                                + i);
212:                            else
213:                                buffer.append(" and line.line like :keyword"
214:                                        + i);
215:                        }
216:                    }
217:
218:                    if (originators != null && originators.length != 0)
219:                        buffer
220:                                .append(" and subject.originator in (:originators)");
221:
222:                    if (orders != null && orders.length != 0) {
223:                        buffer.append(" order by ");
224:                        for (int i = 0; i < orders.length; i++) {
225:                            String order = orders[i];
226:                            if (i > 0)
227:                                buffer.append(", ");
228:
229:                            appendOrder(order, buffer);
230:                        }
231:                    } else
232:                        buffer.append(" order by subject.process, line.line");
233:
234:                    transactions.beginRequired();
235:                    Query query = sessions.getSession().createQuery(
236:                            buffer.toString()).setParameter("language",
237:                            language).setFetchSize(maxResults);
238:                    if (processes != null && processes.length != 0)
239:                        query.setParameterList("processes", Arrays
240:                                .asList(processes));
241:                    if (keywords != null) {
242:                        for (int i = 0; i < keywords.length; i++) {
243:                            String keyword = keywords[i];
244:                            if ('-' == keyword.charAt(0)
245:                                    || '+' == keyword.charAt(0))
246:                                query.setParameter("keyword" + i, "%"
247:                                        + keyword.substring(1) + "%");
248:                            else
249:                                query.setParameter("keyword" + i, "%" + keyword
250:                                        + "%");
251:                        }
252:                    }
253:                    if (originators != null && originators.length != 0)
254:                        query.setParameterList("originators", Arrays
255:                                .asList(originators));
256:                    List<Subject> list = query.list();
257:
258:                    return list;
259:                } finally {
260:                    try {
261:                        transactions.endRequired();
262:                    } catch (ControllerException t) {
263:                        t.printStackTrace();
264:                        throw t;
265:                    }
266:                }
267:            }
268:
269:            public List<Work> listWork(String[] userids, String language,
270:                    int maxResults) {
271:                try {
272:                    StringBuffer buffer = new StringBuffer();
273:                    buffer
274:                            .append("select new org.concern.Work(subject.process, enlistment.activity, subject.userValue, line.line,");
275:                    buffer
276:                            .append("                subject.originator, enlistment.timeout, enlistment.trials, enlistment.lockedBy, enlistment.lockedUntil)");
277:                    buffer.append(" from Subject subject");
278:                    buffer.append(" inner join subject.subjectLines line");
279:                    buffer.append(" inner join subject.enlistments enlistment");
280:                    buffer
281:                            .append(" inner join enlistment.assignments assignment");
282:                    buffer.append(" where subject.state != 2");
283:                    buffer.append(" and assignment.assignee in (:assignees)");
284:                    buffer.append(" and :language = line.language");
285:                    buffer.append(" and enlistment.timeout != "
286:                            + Long.MAX_VALUE);
287:                    buffer
288:                            .append(" order by subject.process, enlistment.activity, enlistment.timeout");
289:
290:                    transactions.beginRequired();
291:                    Query query = sessions.getSession().createQuery(
292:                            buffer.toString()).setParameterList("assignees",
293:                            Arrays.asList(userids)).setParameter("language",
294:                            language).setFetchSize(maxResults);
295:                    List<Work> list = query.list();
296:
297:                    return list;
298:                } finally {
299:                    try {
300:                        transactions.endRequired();
301:                    } catch (ControllerException t) {
302:                        t.printStackTrace();
303:                        throw t;
304:                    }
305:                }
306:            }
307:
308:            public List<Work> listWork(String[] assignees, String[] processes,
309:                    String[] activities, String[] keywords, String[] orders,
310:                    String language, int maxResults) {
311:                try {
312:                    StringBuffer buffer = new StringBuffer();
313:                    buffer
314:                            .append("select new org.concern.Work(subject.process, enlistment.activity, subject.userValue, line.line,");
315:                    buffer
316:                            .append("                subject.originator, enlistment.timeout, enlistment.trials, enlistment.lockedBy, enlistment.lockedUntil)");
317:                    buffer.append(" from Subject subject");
318:                    buffer.append(" inner join subject.subjectLines line");
319:                    buffer.append(" inner join subject.enlistments enlistment");
320:                    buffer
321:                            .append(" inner join enlistment.assignments assignment");
322:                    buffer.append(" where subject.state != 2");
323:                    buffer.append(" and :language = line.language");
324:                    buffer.append(" and enlistment.timeout != "
325:                            + Long.MAX_VALUE);
326:
327:                    if (processes != null && processes.length != 0)
328:                        buffer.append(" and subject.process in (:processes)");
329:
330:                    if (assignees != null && assignees.length != 0)
331:                        buffer
332:                                .append(" and assignment.assignee in (:assignees)");
333:                    if (activities != null && activities.length != 0)
334:                        buffer
335:                                .append(" and enlistment.activity in (:activities)");
336:                    if (keywords != null) {
337:                        for (int i = 0; i < keywords.length; i++) {
338:                            String keyword = keywords[i];
339:                            if ('-' == keyword.charAt(0))
340:                                buffer
341:                                        .append(" and line.line not like :keyword"
342:                                                + i);
343:                            else
344:                                buffer.append(" and line.line like :keyword"
345:                                        + i);
346:                        }
347:                    }
348:                    if (orders != null && orders.length != 0) {
349:                        buffer.append(" order by ");
350:                        for (int i = 0; i < orders.length; i++) {
351:                            String order = orders[i];
352:                            if (i > 0)
353:                                buffer.append(", ");
354:
355:                            appendOrder(order, buffer);
356:                        }
357:                    } else
358:                        buffer
359:                                .append(" order by subject.process, enlistment.activity, enlistment.timeout");
360:
361:                    transactions.beginRequired();
362:                    Query query = sessions.getSession().createQuery(
363:                            buffer.toString()).setParameter("language",
364:                            language).setFetchSize(maxResults);
365:                    if (processes != null && processes.length != 0)
366:                        query.setParameterList("processes", Arrays
367:                                .asList(processes));
368:                    if (assignees != null && assignees.length != 0)
369:                        query.setParameterList("assignees", Arrays
370:                                .asList(assignees));
371:                    if (activities != null && activities.length != 0)
372:                        query.setParameterList("activities", Arrays
373:                                .asList(activities));
374:                    if (keywords != null) {
375:                        for (int i = 0; i < keywords.length; i++) {
376:                            String keyword = keywords[i];
377:                            if ('-' == keyword.charAt(0)
378:                                    || '+' == keyword.charAt(0))
379:                                query.setParameter("keyword" + i, "%"
380:                                        + keyword.substring(1) + "%");
381:                            else
382:                                query.setParameter("keyword" + i, "%" + keyword
383:                                        + "%");
384:                        }
385:                    }
386:
387:                    List<Work> list = query.list();
388:                    return list;
389:                } finally {
390:                    try {
391:                        transactions.endRequired();
392:                    } catch (ControllerException t) {
393:                        t.printStackTrace();
394:                        throw t;
395:                    }
396:                }
397:            }
398:
399:            public List<Assignment> listAssignments(String subject,
400:                    String[] processes, String[] activities, String[] keywords,
401:                    String[] orders, String language, int maxResults) {
402:                try {
403:                    StringBuffer buffer = new StringBuffer();
404:                    buffer
405:                            .append("select new org.concern.Assignment(subject.process, enlistment.activity, subject.userValue, line.line,");
406:                    buffer
407:                            .append("                subject.originator, enlistment.timeout, enlistment.trials, enlistment.lockedBy, enlistment.lockedUntil, assignment.assignee)");
408:                    buffer.append(" from Subject subject");
409:                    buffer.append(" inner join subject.subjectLines line");
410:                    buffer.append(" inner join subject.enlistments enlistment");
411:                    buffer
412:                            .append(" inner join enlistment.assignments assignment");
413:                    buffer.append(" where subject.state != 2");
414:                    buffer.append(" and :language = line.language");
415:
416:                    if (processes != null && processes.length != 0)
417:                        buffer.append(" and subject.process in (:processes)");
418:                    if (subject != null)
419:                        buffer.append(" and subject.userValue = :subject");
420:
421:                    if (activities != null && activities.length != 0)
422:                        buffer
423:                                .append(" and enlistment.activity in (:activities)");
424:                    if (keywords != null) {
425:                        for (int i = 0; i < keywords.length; i++) {
426:                            String keyword = keywords[i];
427:                            if ('-' == keyword.charAt(0))
428:                                buffer
429:                                        .append(" and line.line not like :keyword"
430:                                                + i);
431:                            else
432:                                buffer.append(" and line.line like :keyword"
433:                                        + i);
434:                        }
435:                    }
436:                    if (orders != null && orders.length != 0) {
437:                        buffer.append(" order by ");
438:                        for (int i = 0; i < orders.length; i++) {
439:                            String order = orders[i];
440:                            if (i > 0)
441:                                buffer.append(", ");
442:
443:                            appendOrder(order, buffer);
444:                        }
445:                    } else
446:                        buffer
447:                                .append(" order by subject.process, enlistment.activity, enlistment.timeout");
448:
449:                    transactions.beginRequired();
450:                    Query query = sessions.getSession().createQuery(
451:                            buffer.toString()).setParameter("language",
452:                            language).setFetchSize(maxResults);
453:                    if (subject != null)
454:                        query.setParameter("subject", subject);
455:                    if (processes != null && processes.length != 0)
456:                        query.setParameterList("processes", Arrays
457:                                .asList(processes));
458:                    if (activities != null && activities.length != 0)
459:                        query.setParameterList("activities", Arrays
460:                                .asList(activities));
461:                    if (keywords != null) {
462:                        for (int i = 0; i < keywords.length; i++) {
463:                            String keyword = keywords[i];
464:                            if ('-' == keyword.charAt(0)
465:                                    || '+' == keyword.charAt(0))
466:                                query.setParameter("keyword" + i, "%"
467:                                        + keyword.substring(1) + "%");
468:                            else
469:                                query.setParameter("keyword" + i, "%" + keyword
470:                                        + "%");
471:                        }
472:                    }
473:
474:                    List<Assignment> list = query.list();
475:                    return list;
476:                } finally {
477:                    try {
478:                        transactions.endRequired();
479:                    } catch (ControllerException t) {
480:                        t.printStackTrace();
481:                        throw t;
482:                    }
483:                }
484:            }
485:
486:            private void appendOrder(String order, StringBuffer buffer) {
487:                if ('-' == order.charAt(0))
488:                    buffer.append(order.substring(1) + " desc");
489:                else if ('+' == order.charAt(0))
490:                    buffer.append(order.substring(1));
491:                else
492:                    buffer.append(order);
493:            }
494:
495:            public boolean lock(org.concern.Work work, String user,
496:                    Timestamp until) throws UnknownSubjectException {
497:                try {
498:                    transactions.beginRequired();
499:                    Enlistment enlistment = (Enlistment) sessions
500:                            .getSession()
501:                            .createQuery(
502:                                    "select enlistment from org.concern.controller.Subject subject"
503:                                            + " inner join subject.enlistments enlistment"
504:                                            + " where subject.userValue = :subject"
505:                                            + " and enlistment.activity = :activity")
506:                            .setString("subject", work.getSubjectId())
507:                            .setString("activity", work.getActivity())
508:                            .uniqueResult();
509:
510:                    if (enlistment.getLockedUntil() != null
511:                            && enlistment.getLockedUntil().getTime() > System
512:                                    .currentTimeMillis()
513:                            && !enlistment.getLockedBy().equals(user)) {
514:                        return false;
515:                    } else {
516:                        enlistment.setLockedBy(user);
517:                        enlistment.setLockedUntil(until);
518:                        return true;
519:                    }
520:                } finally {
521:                    try {
522:                        transactions.endRequired();
523:                    } catch (ControllerException t) {
524:                        t.printStackTrace();
525:                        throw t;
526:                    }
527:                }
528:            }
529:
530:            public boolean unlock(org.concern.Work work, String user)
531:                    throws UnknownSubjectException {
532:                try {
533:                    transactions.beginRequired();
534:                    Enlistment enlistment = (Enlistment) sessions
535:                            .getSession()
536:                            .createQuery(
537:                                    "select enlistment from org.concern.controller.Subject subject"
538:                                            + " inner join subject.enlistments enlistment"
539:                                            + " where subject.userValue = :subject"
540:                                            + " and enlistment.activity = :activity")
541:                            .setString("subject", work.getSubjectId())
542:                            .setString("activity", work.getActivity())
543:                            .uniqueResult();
544:
545:                    if (enlistment != null
546:                            && user.equals(enlistment.getLockedBy())) {
547:                        enlistment.setLockedBy(null);
548:                        enlistment.setLockedUntil(null);
549:                        return true;
550:                    } else {
551:                        return false;
552:                    }
553:                } finally {
554:                    try {
555:                        transactions.endRequired();
556:                    } catch (ControllerException t) {
557:                        t.printStackTrace();
558:                        throw t;
559:                    }
560:                }
561:            }
562:
563:            public void addAssignmentListener(AssignmentListener listener) {
564:                eventListeners.add(listener);
565:            }
566:
567:            public void removeAssignmentListener(AssignmentListener listener) {
568:                eventListeners.remove(listener);
569:            }
570:
571:            public Subject getSubject(String process, String subjectId,
572:                    String language, String assignee) {
573:                try {
574:                    StringBuffer buffer = new StringBuffer();
575:                    buffer
576:                            .append("select new org.concern.Subject(subject.process, subject.userValue, line.line, subject.originator, subject.created, subject.state)");
577:                    buffer
578:                            .append(" from Subject subject inner join subject.subjectLines line");
579:                    buffer.append(" where subject.userValue = :userValue");
580:                    buffer.append(" and subject.process = :process");
581:                    buffer.append(" and :language = line.language");
582:
583:                    transactions.beginRequired();
584:                    Query query = sessions.getSession().createQuery(
585:                            buffer.toString()).setParameter("userValue",
586:                            subjectId).setParameter("process", process)
587:                            .setParameter("language", language);
588:                    Subject subject = (Subject) query.uniqueResult();
589:
590:                    if (subject != null) {
591:                        buffer = new StringBuffer();
592:                        buffer.append("select enlistment.activity");
593:                        buffer.append(" from Subject subject");
594:                        buffer
595:                                .append(" inner join subject.enlistments enlistment");
596:                        buffer
597:                                .append(" inner join enlistment.assignments assignment");
598:                        buffer.append(" where enlistment.timeout = "
599:                                + Long.MAX_VALUE);
600:                        buffer.append(" and subject.process = :process");
601:                        buffer.append(" and subject.userValue = :userValue");
602:                        buffer.append(" and assignment.assignee = :assignee");
603:                        query = sessions.getSession().createQuery(
604:                                buffer.toString());
605:                        query.setParameter("process", process);
606:                        query.setParameter("userValue", subjectId);
607:                        query.setParameter("assignee", assignee);
608:                        List options = query.list();
609:                        subject.getOptions().addAll(options);
610:                    }
611:
612:                    return subject;
613:                } finally {
614:                    try {
615:                        transactions.endRequired();
616:                    } catch (ControllerException t) {
617:                        t.printStackTrace();
618:                        throw t;
619:                    }
620:                }
621:            }
622:
623:            public Work getWork(String process, String subjectId,
624:                    String activity, String locale) {
625:                try {
626:                    StringBuffer buffer = new StringBuffer();
627:                    buffer
628:                            .append("select new org.concern.Work(subject.process, enlistment.activity, subject.userValue, line.line,");
629:                    buffer
630:                            .append("                subject.originator, enlistment.timeout, enlistment.trials, enlistment.lockedBy, enlistment.lockedUntil)");
631:                    buffer.append(" from Subject subject");
632:                    buffer.append(" inner join subject.subjectLines line");
633:                    buffer.append(" inner join subject.enlistments enlistment");
634:                    buffer.append(" where subject.userValue = :userValue");
635:                    buffer.append(" and subject.process = :process");
636:                    buffer.append(" and enlistment.activity = :activity");
637:                    buffer.append(" and line.language = :language");
638:
639:                    transactions.beginRequired();
640:                    Query query = sessions.getSession().createQuery(
641:                            buffer.toString()).setParameter("userValue",
642:                            subjectId).setParameter("process", process)
643:                            .setParameter("activity", activity).setParameter(
644:                                    "language", locale);
645:                    Work work = (Work) query.uniqueResult();
646:
647:                    return work;
648:                } finally {
649:                    try {
650:                        transactions.endRequired();
651:                    } catch (ControllerException t) {
652:                        t.printStackTrace();
653:                        throw t;
654:                    }
655:                }
656:            }
657:
658:            void timeout() {
659:                try {
660:                    transactions.begin();
661:                    Query query = sessions
662:                            .getSession()
663:                            .createQuery(
664:                                    "from org.concern.controller.AssignmentNotification a"
665:                                            + " where a.id not in (select id from org.concern.controller.Assignment)");
666:                    List<AssignmentNotification> remove = query.list();
667:                    for (AssignmentNotification assignmentNotification : remove) {
668:                        fireUnassignedWork(assignmentNotification);
669:                        sessions.getSession().delete(assignmentNotification);
670:                    }
671:
672:                    query = sessions
673:                            .getSession()
674:                            .createQuery(
675:                                    "select new org.concern.controller.Ensignment("
676:                                            + "   a.id, s.userValue, s.process, e.activity, e.trials, a.assignee"
677:                                            + ")"
678:                                            + " from org.concern.controller.Subject s join s.enlistments e join e.assignments a"
679:                                            + " where a.id not in (select id from org.concern.controller.AssignmentNotification)");
680:                    List<AssignmentNotification> add = query.list();
681:                    for (AssignmentNotification ensignment : add) {
682:                        fireAssignedWork(ensignment);
683:                        AssignmentNotification assignmentNotification = new AssignmentNotification();
684:                        assignmentNotification.setId(ensignment.getId());
685:                        assignmentNotification.setActivity(ensignment
686:                                .getActivity());
687:                        assignmentNotification.setAssignee(ensignment
688:                                .getAssignee());
689:                        assignmentNotification.setLevel(ensignment.getLevel());
690:                        assignmentNotification.setProcess(ensignment
691:                                .getProcess());
692:                        assignmentNotification.setSubjectId(ensignment
693:                                .getSubjectId());
694:                        sessions.getSession().save(assignmentNotification);
695:                    }
696:                } catch (HibernateException e) {
697:                    LOG.error("timeout", e);
698:                } finally {
699:                    try {
700:                        transactions.commit();
701:                    } catch (ControllerException t) {
702:                        t.printStackTrace();
703:                        throw t;
704:                    }
705:                }
706:            }
707:
708:            private void fireAssignedWork(
709:                    AssignmentNotification assignmentNotification) {
710:                AssignmentEvent event = new AssignmentEvent(this ,
711:                        assignmentNotification.getProcess(),
712:                        assignmentNotification.getActivity(),
713:                        assignmentNotification.getSubjectId(),
714:                        assignmentNotification.getAssignee(),
715:                        assignmentNotification.getLevel());
716:
717:                for (Iterator<AssignmentListener> iterator = eventListeners
718:                        .iterator(); iterator.hasNext();) {
719:                    AssignmentListener listener = iterator.next();
720:                    listener.assigned(event);
721:                }
722:            }
723:
724:            private void fireUnassignedWork(
725:                    AssignmentNotification assignmentNotification) {
726:                AssignmentEvent event = new AssignmentEvent(this ,
727:                        assignmentNotification.getProcess(),
728:                        assignmentNotification.getActivity(),
729:                        assignmentNotification.getSubjectId(),
730:                        assignmentNotification.getAssignee(),
731:                        assignmentNotification.getLevel());
732:
733:                for (Iterator<AssignmentListener> iterator = eventListeners
734:                        .iterator(); iterator.hasNext();) {
735:                    AssignmentListener listener = iterator.next();
736:                    listener.unassigned(event);
737:                }
738:            }
739:
740:            public void start() {
741:                if (timer != null)
742:                    throw new IllegalStateException("already started");
743:                timer = new java.util.Timer(true);
744:                timeoutTask = new TimeoutTask();
745:                timer.schedule(timeoutTask, getTimerInterval(),
746:                        getTimerInterval());
747:            }
748:
749:            public void stop() {
750:                if (timer != null) {
751:                    timer.cancel();
752:                    timer = null;
753:                }
754:            }
755:
756:            private class TimeoutTask extends TimerTask {
757:                public void run() {
758:                    if (System.currentTimeMillis() - scheduledExecutionTime() >= getTimerInterval())
759:                        return;
760:
761:                    try {
762:                        timeout();
763:                    } catch (Throwable e) {
764:                        LOG.error("timeout.run", e);
765:                    }
766:                }
767:            }
768:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.