2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mircoders.global;
32 import java.io.PrintWriter;
33 import java.util.HashMap;
34 import java.util.Iterator;
35 import java.util.List;
37 import java.util.Vector;
39 import mir.log.LoggerToWriterAdapter;
40 import mir.log.LoggerWrapper;
41 import mir.producer.Producer;
42 import mir.producer.ProducerFactory;
43 import mir.util.DateToMapAdapter;
44 import mir.util.StringRoutines;
46 import multex.Failure;
48 public class ProducerEngine {
49 // private Map producers;
50 private JobQueue producerJobQueue;
51 private Thread queueThread;
52 private LoggerWrapper logger;
55 protected ProducerEngine() {
56 producerJobQueue = new JobQueue();
57 logger = new LoggerWrapper("Producer");
59 queueThread = new Thread(new ProducerJobQueueThread());
63 public void addJob(String aProducerFactory, String aVerb) {
64 producerJobQueue.appendJob(new ProducerJob(aProducerFactory, aVerb));
67 public void addTask(ProducerTask aTask) {
68 addJob(aTask.getProducer(), aTask.getVerb());
71 public void addTasks(List aTasks) {
72 Iterator i = aTasks.iterator();
75 addTask((ProducerTask) i.next());
79 private String convertStatus(JobQueue.Job aJob) {
80 if (aJob.hasBeenProcessed())
82 if (aJob.isProcessing())
86 if (aJob.isCancelled())
88 if (aJob.hasBeenAborted())
94 private Map convertJob(JobQueue.Job aJob) {
95 Map result = new HashMap();
96 ProducerJob producerJob = (ProducerJob) aJob.getData();
98 result.put("identifier", aJob.getIdentifier());
99 result.put("factory", producerJob.getFactoryName());
100 result.put("verb", producerJob.getVerb());
101 result.put("priority", new Integer(aJob.getPriority()));
102 result.put("status", convertStatus(aJob));
103 result.put("lastchange", new DateToMapAdapter(aJob.getLastChange()));
108 private void convertJobList(List aSourceJobList, List aDestination) {
109 Iterator i = aSourceJobList.iterator();
112 aDestination.add(convertJob((JobQueue.Job) i.next()));
115 public List getQueueStatus() {
116 List result = new Vector();
117 List pendingJobs = new Vector();
118 List finishedJobs = new Vector();
120 producerJobQueue.makeJobListSnapshots(pendingJobs, finishedJobs);
122 convertJobList(pendingJobs, result);
123 convertJobList(finishedJobs, result);
128 private class ProducerJob {
129 private String factoryName;
131 private Producer producer;
133 public ProducerJob(String aFactory, String aVerb) {
134 factoryName = aFactory;
139 public String getFactoryName() {
143 public String getVerb() {
147 public void abort() {
148 if (producer!=null) {
153 public void execute() {
154 ProducerFactory factory;
157 Map startingMap = new HashMap();
159 startTime = System.currentTimeMillis();
160 logger.info("Producing job: "+factoryName+"."+verb);
163 factory = MirGlobal.localizer().producers().getFactoryForName( factoryName );
166 MirGlobal.localizer().producerAssistant().initializeGenerationValueSet(startingMap);
168 synchronized(factory) {
169 producer = factory.makeProducer(verb, startingMap);
171 if (producer!=null) {
172 producer.produce(logger);
176 catch (Throwable t) {
177 logger.error("Exception occurred while producing " + factoryName + "." + verb + t.getMessage());
178 t.printStackTrace(new PrintWriter(new LoggerToWriterAdapter(logger, LoggerWrapper.ERROR_MESSAGE)));
180 endTime = System.currentTimeMillis();
181 logger.info("Done producing job: " + factoryName + "." + verb + ", time elapsed:" + (endTime-startTime) + " ms");
184 boolean isAborted() {
189 private class ProducerJobQueueThread implements Runnable {
191 logger.debug("starting ProducerJobQueueThread");
194 ProducerJob job = (ProducerJob) producerJobQueue.acquirePendingJob();
198 producerJobQueue.jobAborted(job);
200 producerJobQueue.jobProcessed(job);
207 catch (InterruptedException e) {
214 public static class ProducerEngineExc extends Exc {
215 public ProducerEngineExc(String aMessage) {
220 public static class ProducerEngineRuntimeExc extends Failure {
221 public ProducerEngineRuntimeExc(String msg, Exception cause){
226 public static class ProducerTask {
227 private String producer;
230 public ProducerTask(String aProducer, String aVerb) {
231 producer = aProducer;
235 public String getVerb() {
239 public String getProducer() {
243 public static List parseProducerTaskList(String aList) throws ProducerEngineExc {
245 List result = new Vector();
247 i = StringRoutines.splitString(aList, ";").iterator();
248 while (i.hasNext()) {
249 String taskExpression = (String) i.next();
250 List parts = StringRoutines.splitString(taskExpression, ".");
253 throw new ProducerEngineExc("Invalid producer expression: '" + taskExpression + "'");
255 result.add(new ProducerEngine.ProducerTask((String) parts.get(0), (String) parts.get(1)));