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 the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.global;
36 import mir.producer.*;
39 import multex.Failure;
41 public class ProducerEngine {
42 // private Map producers;
43 private JobQueue producerJobQueue;
44 private Thread queueThread;
45 private PrintWriter log;
47 protected ProducerEngine() {
48 producerJobQueue = new JobQueue();
50 RandomAccessFile raFile = (new RandomAccessFile(MirGlobal.getConfigProperty("Home") + "/" + MirGlobal.getConfigProperty("Producer.Logfile"), "rw"));
51 raFile.seek(raFile.length());
52 log = new PrintWriter(new FileWriter( raFile.getFD()));
55 log = new PrintWriter(new NullWriter());
57 queueThread = new Thread(new ProducerJobQueueThread());
61 public void addJob(String aProducerFactory, String aVerb) {
62 producerJobQueue.appendJob(new ProducerJob(aProducerFactory, aVerb));
65 public void addTask(ProducerTask aTask) {
66 addJob(aTask.getProducer(), aTask.getVerb());
69 public void addTasks(List aTasks) {
70 Iterator i = aTasks.iterator();
73 addTask((ProducerTask) i.next());
77 private String convertStatus(JobQueue.Job aJob) {
78 if (aJob.hasBeenProcessed())
80 if (aJob.isProcessing())
84 if (aJob.isCancelled())
86 if (aJob.hasBeenAborted())
92 private Map convertJob(JobQueue.Job aJob) {
93 Map result = new HashMap();
94 ProducerJob producerJob = (ProducerJob) aJob.getData();
96 result.put("identifier", aJob.getIdentifier());
97 result.put("factory", producerJob.getFactoryName());
98 result.put("verb", producerJob.getVerb());
99 result.put("priority", new Integer(aJob.getPriority()));
100 result.put("status", convertStatus(aJob));
101 result.put("lastchange", new DateToMapAdapter(aJob.getLastChange()));
106 private void convertJobList(List aSourceJobList, List aDestination) {
107 Iterator i = aSourceJobList.iterator();
110 aDestination.add(convertJob((JobQueue.Job) i.next()));
113 public List getQueueStatus() {
114 List result = new Vector();
115 List pendingJobs = new Vector();
116 List finishedJobs = new Vector();
118 producerJobQueue.makeJobListSnapshots(pendingJobs, finishedJobs);
120 convertJobList(pendingJobs, result);
121 convertJobList(finishedJobs, result);
126 private class ProducerJob {
127 private String factoryName;
129 private Producer producer;
131 public ProducerJob(String aFactory, String aVerb) {
132 factoryName = aFactory;
137 public String getFactoryName() {
141 public String getVerb() {
145 public void abort() {
146 if (producer!=null) {
151 public void execute() {
152 ProducerFactory factory;
155 Map startingMap = new HashMap();
157 startTime = System.currentTimeMillis();
158 log.println("Producing job: "+factoryName+"."+verb);
161 factory = MirGlobal.localizer().producers().getFactoryForName( factoryName );
164 MirGlobal.localizer().producerAssistant().initializeGenerationValueSet(startingMap);
166 synchronized(factory) {
167 producer = factory.makeProducer(verb, startingMap);
169 if (producer!=null) {
170 producer.produce(log);
174 catch (Throwable t) {
175 log.println(" exception "+t.getMessage());
176 t.printStackTrace(log);
178 log.println("Done producing job: "+factoryName+"."+verb);
179 endTime = System.currentTimeMillis();
180 log.println("Time: " + (endTime-startTime) + " ms");
184 boolean isAborted() {
189 private class ProducerJobQueueThread implements Runnable {
191 log.println("starting ProducerJobQueueThread");
195 ProducerJob job = (ProducerJob) producerJobQueue.acquirePendingJob();
199 producerJobQueue.jobAborted(job);
201 producerJobQueue.jobProcessed(job);
208 catch (InterruptedException e) {
215 public static class ProducerEngineExc extends Exc {
216 public ProducerEngineExc(String aMessage) {
221 public static class ProducerEngineRuntimeExc extends Failure {
222 public ProducerEngineRuntimeExc(String msg, Exception cause){
227 public static class ProducerTask {
228 private String producer;
231 public ProducerTask(String aProducer, String aVerb) {
232 producer = aProducer;
236 public String getVerb() {
240 public String getProducer() {
244 public static List parseProducerTaskList(String aList) throws ProducerEngineExc {
246 List result = new Vector();
248 i = StringRoutines.splitString(aList, ";").iterator();
249 while (i.hasNext()) {
250 String taskExpression = (String) i.next();
251 List parts = StringRoutines.splitString(taskExpression, ".");
254 throw new ProducerEngineExc("Invalid producer expression: '" + taskExpression + "'");
256 result.add(new ProducerEngine.ProducerTask((String) parts.get(0), (String) parts.get(1)));