Source Code Cross Referenced for ObjectDataTestApp.java in  » Net » Terracotta » com » tctest » restart » system » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Terracotta » com.tctest.restart.system 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright
003:         * notice. All rights reserved.
004:         */
005:        package com.tctest.restart.system;
006:
007:        import EDU.oswego.cs.dl.util.concurrent.CyclicBarrier;
008:        import EDU.oswego.cs.dl.util.concurrent.LinkedNode;
009:        import EDU.oswego.cs.dl.util.concurrent.LinkedQueue;
010:        import EDU.oswego.cs.dl.util.concurrent.SynchronizedInt;
011:
012:        import com.tc.exception.TCRuntimeException;
013:        import com.tc.object.config.ConfigVisitor;
014:        import com.tc.object.config.DSOClientConfigHelper;
015:        import com.tc.object.config.TransparencyClassSpec;
016:        import com.tc.object.config.spec.SynchronizedIntSpec;
017:        import com.tc.simulator.app.ApplicationConfig;
018:        import com.tc.simulator.listener.ListenerProvider;
019:        import com.tc.simulator.listener.OutputListener;
020:        import com.tc.util.Assert;
021:        import com.tc.util.DebugUtil;
022:        import com.tctest.runner.AbstractTransparentApp;
023:
024:        import java.util.ArrayList;
025:        import java.util.Collection;
026:        import java.util.Date;
027:        import java.util.HashMap;
028:        import java.util.HashSet;
029:        import java.util.Iterator;
030:        import java.util.List;
031:        import java.util.Map;
032:
033:        public class ObjectDataTestApp extends AbstractTransparentApp {
034:            public static final String SYNCHRONOUS_WRITE = "synch-write";
035:
036:            private int threadCount = 10;
037:            private int workSize = 1 * 100;
038:            private int testObjectDepth = 1 * 50;
039:            // I had to dial this down considerably because this takes a long time to run.
040:            private int iterationCount = 1 * 2;
041:            private List workQueue = new ArrayList();
042:            private Collection resultSet = new HashSet();
043:            private SynchronizedInt complete = new SynchronizedInt(0);
044:            private OutputListener out;
045:            private SynchronizedInt nodes = new SynchronizedInt(0);
046:
047:            public ObjectDataTestApp(String appId, ApplicationConfig cfg,
048:                    ListenerProvider listenerProvider) {
049:                super (appId, cfg, listenerProvider);
050:                this .out = listenerProvider.getOutputListener();
051:            }
052:
053:            public void run() {
054:                try {
055:                    // set up workers
056:                    WorkerFactory wf = new WorkerFactory(getApplicationId(),
057:                            workQueue, resultSet, complete);
058:
059:                    for (int i = 0; i < threadCount; i++) {
060:                        Worker worker = wf.newWorker();
061:                        new Thread(worker).start();
062:                    }
063:
064:                    if (nodes.increment() == 1) {
065:                        // if we are the first participant, we control the work queue and do the verifying
066:                        // System.err.println("Populating work queue...");
067:                        populateWorkQueue(workSize, testObjectDepth, workQueue);
068:                        for (int i = 0; i < iterationCount; i++) {
069:                            synchronized (resultSet) {
070:                                while (resultSet.size() < workSize) {
071:                                    try {
072:                                        resultSet.wait();
073:                                    } catch (InterruptedException e) {
074:                                        throw new TCRuntimeException(e);
075:                                    }
076:                                }
077:                            }
078:                            verify(i + 1, resultSet);
079:                            if (i != (iterationCount - 1)) {
080:                                synchronized (resultSet) {
081:                                    for (Iterator iter = resultSet.iterator(); iter
082:                                            .hasNext();) {
083:                                        put(workQueue, iter.next());
084:                                        iter.remove();
085:                                    }
086:                                }
087:                            }
088:                        }
089:                        for (int i = 0; i < wf.getGlobalWorkerCount(); i++) {
090:                            put(workQueue, "STOP");
091:                        }
092:                    }
093:                } catch (Exception e) {
094:                    throw new TCRuntimeException(e);
095:                }
096:            }
097:
098:            private void populateWorkQueue(int size, int depth, List queue) {
099:                System.err.println(" Thread - "
100:                        + Thread.currentThread().getName()
101:                        + " inside populateWorkQueue !");
102:                for (int i = 0; i < size; i++) {
103:                    TestObject to = new TestObject("" + i);
104:                    to.populate(depth);
105:                    put(queue, to);
106:                }
107:            }
108:
109:            private void verify(int expectedValue, Collection results) {
110:                synchronized (results) {
111:                    Assert.assertEquals(workSize, results.size());
112:                    int cnt = 0;
113:                    for (Iterator i = results.iterator(); i.hasNext();) {
114:                        TestObject to = (TestObject) i.next();
115:                        if (!to.validate(expectedValue)) {
116:                            throw new RuntimeException("Failed!");
117:                        }
118:                        System.out.println("Verified object " + (cnt++));
119:                    }
120:                }
121:            }
122:
123:            public final void println(Object o) {
124:                try {
125:                    out.println(o);
126:                } catch (InterruptedException e) {
127:                    throw new TCRuntimeException(e);
128:                }
129:            }
130:
131:            public static void visitL1DSOConfig(ConfigVisitor visitor,
132:                    DSOClientConfigHelper config) {
133:                visitL1DSOConfig(visitor, config, new HashMap());
134:            }
135:
136:            public static void visitL1DSOConfig(ConfigVisitor visitor,
137:                    DSOClientConfigHelper config, Map optionalAttributes) {
138:                DebugUtil.DEBUG = true;
139:
140:                boolean isSynchronousWrite = false;
141:                if (optionalAttributes.size() > 0) {
142:                    isSynchronousWrite = Boolean.valueOf(
143:                            (String) optionalAttributes
144:                                    .get(ObjectDataTestApp.SYNCHRONOUS_WRITE))
145:                            .booleanValue();
146:                }
147:
148:                visitor.visit(config, Barriers.class);
149:
150:                String testClassName = ObjectDataTestApp.class.getName();
151:                TransparencyClassSpec spec = config
152:                        .getOrCreateSpec(testClassName);
153:
154:                String idProviderClassname = IDProvider.class.getName();
155:                config.addIncludePattern(idProviderClassname);
156:
157:                String linkedQueueClassname = LinkedQueue.class.getName();
158:                config.addIncludePattern(linkedQueueClassname);
159:
160:                String linkedNodeClassname = LinkedNode.class.getName();
161:                config.addIncludePattern(linkedNodeClassname);
162:                //
163:                // String syncIntClassname = SynchronizedInt.class.getName();
164:                // config.addIncludeClass(syncIntClassname);
165:                //
166:                // String syncVarClassname = SynchronizedVariable.class.getName();
167:                // config.addIncludeClass(syncVarClassname);
168:
169:                String testObjectClassname = TestObject.class.getName();
170:                config.addIncludePattern(testObjectClassname);
171:
172:                String workerClassname = Worker.class.getName();
173:                config.addIncludePattern(workerClassname);
174:
175:                // Create Roots
176:                spec.addRoot("workQueue", testClassName + ".workQueue");
177:                spec.addRoot("resultSet", testClassName + ".resultSet");
178:                spec.addRoot("complete", testClassName + ".complete");
179:                spec.addRoot("nodes", testClassName + ".nodes");
180:
181:                String workerFactoryClassname = WorkerFactory.class.getName();
182:                config.addIncludePattern(workerFactoryClassname);
183:                TransparencyClassSpec workerFactorySpec = config
184:                        .getOrCreateSpec(workerFactoryClassname);
185:                workerFactorySpec.addRoot("globalWorkerCount",
186:                        workerFactoryClassname + ".globalWorkerCount");
187:
188:                // Create locks
189:                String verifyExpression = "* " + testClassName + ".verify(..)";
190:                addWriteAutolock(config, isSynchronousWrite, verifyExpression);
191:
192:                String runExpression = "* " + testClassName + ".run(..)";
193:                addWriteAutolock(config, isSynchronousWrite, runExpression);
194:
195:                String populateWorkQueueExpression = "* " + testClassName
196:                        + ".populateWorkQueue(..)";
197:                addWriteAutolock(config, isSynchronousWrite,
198:                        populateWorkQueueExpression);
199:
200:                String putExpression = "* " + testClassName + ".put(..)";
201:                addWriteAutolock(config, isSynchronousWrite, putExpression);
202:
203:                String takeExpression = "* " + testClassName + ".take(..)";
204:                addWriteAutolock(config, isSynchronousWrite, takeExpression);
205:
206:                // TestObject config
207:                String incrementExpression = "* " + testObjectClassname
208:                        + ".increment(..)";
209:                addWriteAutolock(config, isSynchronousWrite,
210:                        incrementExpression);
211:
212:                String populateExpression = "* " + testObjectClassname
213:                        + ".populate(..)";
214:                addWriteAutolock(config, isSynchronousWrite, populateExpression);
215:
216:                String validateExpression = "* " + testObjectClassname
217:                        + ".validate(..)";
218:                config.addReadAutolock(validateExpression);
219:
220:                // Worker factory config
221:                String workerFactoryExpression = "* " + workerFactoryClassname
222:                        + ".*(..)";
223:                addWriteAutolock(config, isSynchronousWrite,
224:                        workerFactoryExpression);
225:
226:                // Worker config
227:                String workerRunExpression = "* " + workerClassname
228:                        + ".run(..)";
229:                addWriteAutolock(config, isSynchronousWrite,
230:                        workerRunExpression);
231:
232:                new SynchronizedIntSpec().visit(visitor, config);
233:
234:                // IDProvider config
235:                String nextIDExpression = "* " + idProviderClassname
236:                        + ".nextID(..)";
237:                addWriteAutolock(config, isSynchronousWrite, nextIDExpression);
238:
239:                DebugUtil.DEBUG = false;
240:            }
241:
242:            private static void addWriteAutolock(DSOClientConfigHelper config,
243:                    boolean isSynchronousWrite, String methodPattern) {
244:                if (isSynchronousWrite) {
245:                    config.addSynchronousWriteAutolock(methodPattern);
246:                    debugPrintln("***** doing a synchronous write");
247:                } else {
248:                    config.addWriteAutolock(methodPattern);
249:                }
250:            }
251:
252:            private static void debugPrintln(String s) {
253:                if (DebugUtil.DEBUG) {
254:                    System.err.println(s);
255:                }
256:            }
257:
258:            public static final class WorkerFactory {
259:                private int localWorkerCount = 0;
260:                private final SynchronizedInt globalWorkerCount; // = new SynchronizedInt(0);
261:                private final List workQueue;
262:                private final Collection results;
263:                private final Collection localWorkers = new HashSet();
264:                private final SynchronizedInt complete;
265:                private final String appId;
266:
267:                public WorkerFactory(String appId, List workQueue,
268:                        Collection results, SynchronizedInt complete) {
269:                    this .appId = appId;
270:                    this .workQueue = workQueue;
271:                    this .results = results;
272:                    this .complete = complete;
273:                    this .globalWorkerCount = new SynchronizedInt(0);
274:                }
275:
276:                public Worker newWorker() {
277:                    localWorkerCount++;
278:                    int globalWorkerID = globalWorkerCount.increment();
279:                    // System.err.println("Worker: " + globalWorkerID);
280:                    Worker rv = new Worker("(" + appId + ") : Worker "
281:                            + globalWorkerID + "," + localWorkerCount,
282:                            this .workQueue, this .results, this .complete);
283:                    this .localWorkers.add(rv);
284:                    return rv;
285:                }
286:
287:                public int getGlobalWorkerCount() {
288:                    return globalWorkerCount.get();
289:                }
290:            }
291:
292:            protected static final class Worker implements  Runnable {
293:
294:                private final String name;
295:                private final List workQueue;
296:                private final Collection results;
297:                private final SynchronizedInt workCompletedCount = new SynchronizedInt(
298:                        0);
299:                private final SynchronizedInt objectChangeCount = new SynchronizedInt(
300:                        0);
301:
302:                public Worker(String name, List workQueue, Collection results,
303:                        SynchronizedInt complete) {
304:                    this .name = name;
305:                    this .workQueue = workQueue;
306:                    this .results = results;
307:                }
308:
309:                public void run() {
310:                    Thread.currentThread().setName(name);
311:                    try {
312:                        while (true) {
313:                            TestObject to;
314:                            Object o = take(workQueue);
315:                            if (o instanceof  TestObject) {
316:                                to = (TestObject) o;
317:                                System.err.println(name + " : Got : " + to);
318:                            } else if ("STOP".equals(o)) {
319:                                return;
320:                            } else {
321:                                throw new RuntimeException("Unexpected task: "
322:                                        + o);
323:                            }
324:                            objectChangeCount.add(to.increment());
325:                            synchronized (results) {
326:                                results.add(to);
327:                                results.notifyAll();
328:                            }
329:                            workCompletedCount.increment();
330:                        }
331:                    } catch (Exception e) {
332:                        throw new TCRuntimeException(e);
333:                    }
334:                }
335:
336:                public int getWorkCompletedCount() {
337:                    return this .workCompletedCount.get();
338:                }
339:
340:                public int getObjectChangeCount() {
341:                    return this .objectChangeCount.get();
342:                }
343:            }
344:
345:            public static final class Barriers {
346:                private final Map barriers;
347:                private final int nodeCount;
348:
349:                public static void visitL1DSOConfig(ConfigVisitor visitor,
350:                        DSOClientConfigHelper config) {
351:                    String classname = Barriers.class.getName();
352:                    TransparencyClassSpec spec = config
353:                            .getOrCreateSpec(classname);
354:                    spec.addRoot("barriers", classname + ".barriers");
355:                    String barriersExpression = "* " + classname + ".*(..)";
356:                    config.addWriteAutolock(barriersExpression);
357:
358:                    String cyclicBarrierClassname = CyclicBarrier.class
359:                            .getName();
360:                    config.addIncludePattern(cyclicBarrierClassname);
361:
362:                    // CyclicBarrier config
363:                    String cyclicBarrierExpression = "* "
364:                            + cyclicBarrierClassname + ".*(..)";
365:                    config.addWriteAutolock(cyclicBarrierExpression);
366:                }
367:
368:                public Barriers(int nodeCount) {
369:                    this .barriers = new HashMap();
370:                    this .nodeCount = nodeCount;
371:                }
372:
373:                public int barrier(int barrierID) {
374:                    try {
375:                        return getOrCreateBarrier(barrierID).barrier();
376:                    } catch (InterruptedException e) {
377:                        throw new TCRuntimeException(e);
378:                    }
379:                }
380:
381:                private CyclicBarrier getOrCreateBarrier(int barrierID) {
382:                    synchronized (barriers) {
383:                        Integer key = new Integer(barrierID);
384:                        CyclicBarrier rv = (CyclicBarrier) barriers.get(key);
385:                        if (rv == null) {
386:                            rv = new CyclicBarrier(this .nodeCount);
387:                            this .barriers.put(key, rv);
388:                        }
389:                        return rv;
390:                    }
391:                }
392:
393:            }
394:
395:            protected static final class TestObject {
396:                private TestObject child;
397:                private int counter;
398:                private List activity = new ArrayList();
399:                private String id;
400:
401:                public TestObject(String id) {
402:                    this .id = id;
403:                }
404:
405:                private synchronized void addActivity(Object msg) {
406:                    activity.add(msg + "\n");
407:                }
408:
409:                public void populate(int count) {
410:                    TestObject to = this ;
411:                    for (int i = 0; i < count; i++) {
412:                        synchronized (to) {
413:                            addActivity(this  + ": Populated : (i,count) = ("
414:                                    + i + "," + count + ") @ " + new Date()
415:                                    + " by thread "
416:                                    + Thread.currentThread().getName());
417:                            to.child = new TestObject(id + "," + i);
418:                        }
419:                        to = to.child;
420:                    }
421:                }
422:
423:                public int increment() {
424:                    TestObject to = this ;
425:                    int currentValue = Integer.MIN_VALUE;
426:                    int changeCounter = 0;
427:                    do {
428:                        synchronized (to) {
429:                            // XXX: This synchronization is here to provide transaction boundaries, not because other threads will be
430:                            // fussing with this object.
431:                            if (currentValue == Integer.MIN_VALUE) {
432:                                currentValue = to.counter;
433:                            }
434:                            if (currentValue != to.counter) {
435:                                throw new RuntimeException(
436:                                        "Expected current value="
437:                                                + currentValue
438:                                                + ", actual current value="
439:                                                + to.counter);
440:                            }
441:                            to.addActivity(this 
442:                                    + ": increment <inside loop> : old value="
443:                                    + to.counter + ", thread="
444:                                    + Thread.currentThread().getName() + " - "
445:                                    + to.counter + " @ " + new Date());
446:                            to.counter++;
447:                            changeCounter++;
448:                        }
449:                    } while ((to = to.getChild()) != null);
450:                    return changeCounter;
451:                }
452:
453:                public boolean validate(int expectedValue) {
454:                    TestObject to = this ;
455:                    do {
456:                        // XXX: This synchronization is here to provide transaction boundaries, not because other threads will be
457:                        // fussing with this object.
458:                        synchronized (to) {
459:                            if (to.counter != expectedValue) {
460:                                System.err.println("Expected " + expectedValue
461:                                        + " but found: " + to.counter
462:                                        + " on Test Object : " + to);
463:                                System.err.println(" To Activities = "
464:                                        + to.activity);
465:                                System.err.println(" This Activities = "
466:                                        + activity);
467:                                return false;
468:                            }
469:                        }
470:                    } while ((to = to.getChild()) != null);
471:                    return true;
472:                }
473:
474:                private synchronized TestObject getChild() {
475:                    return child;
476:                }
477:
478:                public String toString() {
479:                    return "TestObject@" + System.identityHashCode(this ) + "("
480:                            + id + ")={ counter = " + counter + " }";
481:                }
482:            }
483:
484:            protected static final class IDProvider {
485:                private int current;
486:
487:                public synchronized Integer nextID() {
488:                    int rv = current++;
489:                    // System.err.println("Issuing new id: " + rv);
490:                    return new Integer(rv);
491:                }
492:
493:                public synchronized Integer getCurrentID() {
494:                    return new Integer(current);
495:                }
496:            }
497:
498:            private static Object take(List workQueue2) {
499:                synchronized (workQueue2) {
500:                    while (workQueue2.size() == 0) {
501:                        try {
502:                            System.err.println(Thread.currentThread().getName()
503:                                    + " : Going to sleep : Size = "
504:                                    + workQueue2.size());
505:                            workQueue2.wait();
506:                            System.err.println(Thread.currentThread().getName()
507:                                    + " : Waking from sleep : Size = "
508:                                    + workQueue2.size());
509:                        } catch (InterruptedException e) {
510:                            throw new RuntimeException(e);
511:                        }
512:                    }
513:                    return workQueue2.remove(0);
514:                }
515:            }
516:
517:            private static void put(List workQueue2, Object o) {
518:                synchronized (workQueue2) {
519:                    workQueue2.add(o);
520:                    workQueue2.notify();
521:                }
522:            }
523:        }
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