List of usage examples for java.util.concurrent Semaphore Semaphore
public Semaphore(int permits)
From source file:com.qwazr.search.index.SchemaInstance.java
private synchronized void checkSettings() throws IOException, URISyntaxException { if (settingsDefinition == null) { readSemaphore = null;//from w w w. ja v a 2 s. c om writeSemaphore = null; return; } if (settingsDefinition.max_simultaneous_read != null) readSemaphore = new Semaphore(settingsDefinition.max_simultaneous_read); else readSemaphore = null; if (settingsDefinition.max_simultaneous_write != null) writeSemaphore = new Semaphore(settingsDefinition.max_simultaneous_write); else writeSemaphore = null; }
From source file:gobblin.runtime.job_catalog.FSJobCatalogHelperTest.java
@Test(dependsOnMethods = { "testloadGenericJobConfig" })
public void testPathAlterationObserver() throws Exception {
PathAlterationObserverScheduler detector = new PathAlterationObserverScheduler(1000);
final Set<Path> fileAltered = Sets.newHashSet();
final Semaphore semaphore = new Semaphore(0);
PathAlterationListener listener = new PathAlterationListenerAdaptor() {
@Override/*from w w w .ja v a2 s .c om*/
public void onFileCreate(Path path) {
fileAltered.add(path);
semaphore.release();
}
@Override
public void onFileChange(Path path) {
fileAltered.add(path);
semaphore.release();
}
};
detector.addPathAlterationObserver(listener, Optional.<PathAlterationObserver>absent(),
new Path(this.jobConfigDir.getPath()));
try {
detector.start();
// Give the monitor some time to start
Thread.sleep(1000);
File jobConfigFile = new File(this.subDir11, "test111.pull");
Files.touch(jobConfigFile);
File newJobConfigFile = new File(this.subDir11, "test112.pull");
Files.append("k1=v1", newJobConfigFile, ConfigurationKeys.DEFAULT_CHARSET_ENCODING);
semaphore.acquire(2);
Assert.assertEquals(fileAltered.size(), 2);
Assert.assertTrue(fileAltered.contains(new Path("file:" + jobConfigFile)));
Assert.assertTrue(fileAltered.contains(new Path("file:" + newJobConfigFile)));
} finally {
detector.stop();
}
}
From source file:org.apache.giraph.comm.flow_control.CreditBasedFlowControl.java
/** * Constructor/* w w w.ja va2s . co m*/ * @param conf configuration * @param nettyClient netty client */ public CreditBasedFlowControl(ImmutableClassesGiraphConfiguration conf, NettyClient nettyClient) { this.nettyClient = nettyClient; maxOpenRequestsPerWorker = (short) MAX_NUM_OF_OPEN_REQUESTS_PER_WORKER.get(conf); checkState(maxOpenRequestsPerWorker < 0x4000 && maxOpenRequestsPerWorker > 0, "NettyClient: max number of open " + "requests should be in range (0, " + 0x4FFF + ")"); unsentRequestPermit = new Semaphore(MAX_NUM_OF_UNSENT_REQUESTS.get(conf)); unsentWaitMsecs = UNSENT_CACHE_WAIT_INTERVAL.get(conf); waitingRequestMsecs = WAITING_REQUEST_MSECS.get(conf); shouldTerminate = false; CallableFactory<Void> callableFactory = new CallableFactory<Void>() { @Override public Callable<Void> newCallable(int callableId) { return new Callable<Void>() { @Override public Void call() throws Exception { while (true) { synchronized (workersToResume) { if (shouldTerminate) { break; } for (Integer workerId : workersToResume) { if (maxOpenRequestsPerWorker != 0) { sendResumeSignal(workerId); } else { break; } } try { workersToResume.wait(); } catch (InterruptedException e) { throw new IllegalStateException("call: caught exception " + "while waiting for resume-sender thread to be notified!", e); } } } return null; } }; } }; ExecutorService executor = Executors .newSingleThreadExecutor(ThreadUtils.createThreadFactory("resume-sender")); resumeThreadResult = executor.submit(new LogStacktraceCallable<>(callableFactory.newCallable(0))); executor.shutdown(); }
From source file:org.openconcerto.erp.model.EditionFichePayeModel.java
/** * Validation des fiches selectionnes/*ww w. j a v a 2 s. c om*/ * * @param annee * @param idMois * @param du * @param au */ public void validationFiche(final String annee, final int idMois, final Date du, final Date au) { final Thread t = new Thread() { @Override public void run() { try { EditionFichePayeModel.this.bar.setMaximum(EditionFichePayeModel.this.vData.size() * 4 - 1); EditionFichePayeModel.this.bar.setString(null); EditionFichePayeModel.this.bar.setStringPainted(false); int tmp = 0; EditionFichePayeModel.this.bar.setValue(tmp); final SQLElement eltSal = Configuration.getInstance().getDirectory().getElement("SALARIE"); final SQLElement eltFichePaye = Configuration.getInstance().getDirectory() .getElement("FICHE_PAYE"); // On cre la fiche de paye pour chacun des salaris slectionns for (int i = 0; i < EditionFichePayeModel.this.vData.size(); i++) { Map<String, Object> m = EditionFichePayeModel.this.vData.get(i); Boolean bCreate = (Boolean) m.get("A_CREER"); if (bCreate.booleanValue()) { final int idSal = ((Number) m.get("ID_SALARIE")).intValue(); SQLRow rowSalarie = eltSal.getTable().getRow(idSal); final String salName = rowSalarie.getString("CODE") + " " + rowSalarie.getString("NOM"); final SQLRow row = eltSal.getTable().getRow(idSal); final int idFiche = row.getInt("ID_FICHE_PAYE"); // Update de la periode SQLRowValues rowVals = new SQLRowValues(eltFichePaye.getTable()); rowVals.put("ANNEE", Integer.valueOf(annee)); rowVals.put("ID_MOIS", idMois); rowVals.put("DU", du); rowVals.put("AU", au); try { rowVals.update(idFiche); } catch (SQLException e) { e.printStackTrace(); } SwingUtilities.invokeLater(new Runnable() { public void run() { EditionFichePayeModel.this.labelEtat .setText(salName + " - Mise jour de la priode"); } }); EditionFichePayeModel.this.bar.setValue(tmp++); // Visualisation Boolean bVisu = (Boolean) m.get("VISU"); boolean resume = true; if (bVisu.booleanValue()) { final Semaphore semaphore = new Semaphore(1); try { semaphore.acquire(); // on demande le smaphore final VisualisationPayeFrame frame = new VisualisationPayeFrame(semaphore); SwingUtilities.invokeLater(new Runnable() { public void run() { frame.pack(); frame.setSelectedFichePaye(idFiche); frame.setVisible(true); } }); // synchronized (this) { // try { // System.err.println("Wait "); // this.wait(); // System.err.println("WakeUp"); // // } catch (InterruptedException e) { // e.printStackTrace(); // } // } semaphore.acquire(); System.err.println("Etat --> " + frame.getAnswer()); resume = frame.getAnswer(); } catch (InterruptedException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } EditionFichePayeModel.this.bar.setValue(tmp++); // test si l'utilisateur n'a pas annul l'action if (resume) { SwingUtilities.invokeLater(new Runnable() { public void run() { EditionFichePayeModel.this.labelEtat .setText(salName + " - Validation de la fiche"); } }); // Validation de la fiche FichePayeSQLElement.validationFiche(idFiche); // Update des rubriques SQLRow rowSalNew = eltSal.getTable().getRow(idSal); final int idFicheNew = rowSalNew.getInt("ID_FICHE_PAYE"); FichePayeModel ficheModel = new FichePayeModel(idFicheNew); ficheModel.loadAllElements(); EditionFichePayeModel.this.bar.setValue(tmp++); // Impression Boolean bPrint = (Boolean) m.get("IMPRESSION"); if (bPrint.booleanValue()) { SQLRow rowFiche = eltFichePaye.getTable().getRow(idFiche); FichePayeSheet.generation(rowFiche, false); FichePayeSheet.impression(rowFiche); } EditionFichePayeModel.this.bar.setValue(tmp++); } else { SwingUtilities.invokeLater(new Runnable() { public void run() { EditionFichePayeModel.this.labelEtat .setText(salName + " - Cration annule"); } }); tmp += 2; EditionFichePayeModel.this.bar.setValue(tmp); SwingUtilities.invokeLater(new Runnable() { public void run() { String msg = "Cration annule pour " + row.getString("CODE") + " " + row.getString("NOM") + " " + row.getString("PRENOM"); JOptionPane.showMessageDialog(null, msg, "Cration des payes", JOptionPane.INFORMATION_MESSAGE); } }); } } else { tmp += 4; EditionFichePayeModel.this.bar.setValue(tmp); } } } catch (Exception e) { ExceptionHandler.handle("Erreur pendant la cration des fiches de paye", e); } // Fin de l'edition SwingUtilities.invokeLater(new Runnable() { public void run() { updateAll(); JOptionPane.showMessageDialog(null, "Cration des payes termine", "Cration paye", JOptionPane.INFORMATION_MESSAGE); } }); EditionFichePayeModel.this.labelEtat.setText("Traitement termin"); EditionFichePayeModel.this.bar.setString("Termin"); EditionFichePayeModel.this.bar.setStringPainted(true); } }; t.start(); }
From source file:org.apache.gobblin.runtime.job_catalog.FSJobCatalogHelperTest.java
@Test(enabled = false, dependsOnMethods = { "testloadGenericJobConfig" })
public void testPathAlterationObserver() throws Exception {
PathAlterationObserverScheduler detector = new PathAlterationObserverScheduler(1000);
final Set<Path> fileAltered = Sets.newHashSet();
final Semaphore semaphore = new Semaphore(0);
PathAlterationListener listener = new PathAlterationListenerAdaptor() {
@Override/* ww w. j a va 2 s . co m*/
public void onFileCreate(Path path) {
fileAltered.add(path);
semaphore.release();
}
@Override
public void onFileChange(Path path) {
fileAltered.add(path);
semaphore.release();
}
};
detector.addPathAlterationObserver(listener, Optional.<PathAlterationObserver>absent(),
new Path(this.jobConfigDir.getPath()));
try {
detector.start();
// Give the monitor some time to start
Thread.sleep(1000);
File jobConfigFile = new File(this.subDir11, "test111.pull");
Files.touch(jobConfigFile);
File newJobConfigFile = new File(this.subDir11, "test112.pull");
Files.append("k1=v1", newJobConfigFile, ConfigurationKeys.DEFAULT_CHARSET_ENCODING);
semaphore.acquire(2);
Assert.assertEquals(fileAltered.size(), 2);
Assert.assertTrue(fileAltered.contains(new Path("file:" + jobConfigFile)));
Assert.assertTrue(fileAltered.contains(new Path("file:" + newJobConfigFile)));
} finally {
detector.stop();
}
}
From source file:org.paxle.data.db.impl.CommandDBTest.java
public void _testVeryLargeURLSet() throws MalformedURLException, InterruptedException { final int MAX = 1000000; final int chunkSize = 1000; System.setProperty("derby.storage.pageCacheSize", "2000"); // default 1000 //System.setProperty("derby.storage.pageSize", "32768"); // default 4096 bytes // setup DB//from w w w . ja va2 s . co m // this.setupDB(POSTGRESQL_CONFIG_FILE, String.format(POSTGRESQL_CONNECTION_URL,"192.168.10.201")); //this.setupDB(H2_CONFIG_FILE, H2_CONNECTION_URL, "sa", ""); this.setupDB(DERBY_CONFIG_FILE, DERBY_CONNECTION_URL, null, null); // command-tracker must be called MAX times checking(new Expectations() { { exactly(MAX).of(cmdTracker).commandCreated(with(equal("org.paxle.data.db.ICommandDB")), with(any(ICommand.class))); } }); final Semaphore s = new Semaphore(-MAX + 1); new Thread() { public void run() { try { Thread.sleep(10000); } catch (InterruptedException e) { } // create a dummy data-sink cmdDB.setDataSink(new DummyDataSink(s)); }; }.start(); // store new commands long start = System.currentTimeMillis(); LinkedList<URI> testURI = new LinkedList<URI>(); for (int i = 1; i <= MAX; i++) { URI nextCommand = URI.create("http://test.paxle.net/" + i); testURI.add(nextCommand); if (i % chunkSize == 0 || i == MAX) { int known = this.cmdDB.storeUnknownLocations(0, 1, testURI); assertEquals(0, known); testURI.clear(); } } // wait for all commands to be enqueued s.acquire(); System.out.println(String.format("Storing and loading %d URL took %d ms", Integer.valueOf(MAX), Long.valueOf(System.currentTimeMillis() - start))); }
From source file:com.parse.ParsePushTest.java
@Test public void testSubscribeInBackgroundWithCallbackSuccess() throws Exception { final ParsePushChannelsController controller = mock(ParsePushChannelsController.class); when(controller.subscribeInBackground(anyString())).thenReturn(Task.<Void>forResult(null)); ParseCorePlugins.getInstance().registerPushChannelsController(controller); ParsePush push = new ParsePush(); final Semaphore done = new Semaphore(0); final Capture<Exception> exceptionCapture = new Capture<>(); push.subscribeInBackground("test", new SaveCallback() { @Override/* w w w . j av a 2s .c o m*/ public void done(ParseException e) { exceptionCapture.set(e); done.release(); } }); assertNull(exceptionCapture.get()); assertTrue(done.tryAcquire(1, 10, TimeUnit.SECONDS)); verify(controller, times(1)).subscribeInBackground("test"); }
From source file:com.parse.ParseOkHttpClientTest.java
private void testParseOkHttpClientExecuteWithInterceptor(boolean isInternalInterceptorTest) throws Exception { // Start mock server server.enqueue(generateServerResponse()); server.start();/* w w w.j a v a 2 s . c om*/ ParseHttpClient client = new ParseOkHttpClient(10000, null); // Make ParseHttpRequest ParseHttpRequest parseRequest = generateClientRequest(); final Semaphore done = new Semaphore(0); ParseNetworkInterceptor interceptor = new ParseNetworkInterceptor() { @Override public ParseHttpResponse intercept(Chain chain) throws IOException { done.release(); ParseHttpRequest request = chain.getRequest(); // Verify original request verifyClientRequest(request); // Change request ParseHttpRequest requestAgain = generateInterceptorRequest(); // Proceed ParseHttpResponse parseResponse = chain.proceed(requestAgain); // Verify original response verifyServerResponse(parseResponse); // Change response return generateInterceptorResponse(); } }; // Add interceptor if (isInternalInterceptorTest) { client.addInternalInterceptor(interceptor); } else { client.addExternalInterceptor(interceptor); } // Execute request ParseHttpResponse parseResponse = client.execute(parseRequest); // Make sure interceptor is called assertTrue(done.tryAcquire(5, TimeUnit.SECONDS)); RecordedRequest recordedRequest = server.takeRequest(); // Verify request changed by interceptor verifyInterceptorRequest(recordedRequest); // Verify response changed by interceptor verifyInterceptorResponse(parseResponse); }
From source file:org.openengsb.opencit.core.projectmanager.internal.ProjectManagerImplTest.java
@Test @SuppressWarnings("unchecked") public void build_shouldSuspendPoller() throws Exception { List<CommitRef> fakeCommits = new LinkedList<CommitRef>(); fakeCommits.add(Mockito.mock(CommitRef.class)); final Semaphore eventSync = new Semaphore(0); when(workflowService.startFlow(eq("ci"), any(Map.class))).thenReturn(1L); doAnswer(new Answer<Void>() { @Override/*w w w. j a va 2 s. co m*/ public Void answer(InvocationOnMock invocation) throws Throwable { eventSync.acquire(); return null; } }).when(workflowService).waitForFlowToFinish(eq(1L), anyLong()); when(scmMock.update()).thenReturn(fakeCommits, (List<CommitRef>[]) null); scheduler.setPollInterval(100L); Project project = new Project("test"); project.setState(State.OK); projectManager.createProject(project); Thread.sleep(200); assertThat(scheduler.isProjectBuilding("test"), is(true)); Thread.sleep(200); verify(scmMock).update(); eventSync.release(); Thread.sleep(200); assertThat(scheduler.isProjectBuilding("test"), is(false)); assertThat(scheduler.isProjectPolling("test"), is(true)); }
From source file:com.arpnetworking.metrics.impl.ApacheHttpSinkTest.java
@Test public void testNoUnits() throws InterruptedException { _wireMockRule.stubFor(WireMock.requestMatching(new RequestValueMatcher(r -> { // Annotations Assert.assertEquals(0, r.getAnnotationsCount()); // Dimensions Assert.assertEquals(0, r.getDimensionsCount()); // Samples assertSample(r.getTimersList(), "timer", 7d); assertSample(r.getCountersList(), "counter", 8d); assertSample(r.getGaugesList(), "gauge", 9d); })).willReturn(WireMock.aResponse().withStatus(200))); final Semaphore semaphore = new Semaphore(0); final Sink sink = new ApacheHttpSink.Builder() .setUri(URI.create("http://localhost:" + _wireMockRule.port() + PATH)) .setEventHandler(new CompletionHandler(semaphore)).build(); final TsdEvent event = new TsdEvent(Collections.emptyMap(), createQuantityMap("timer", TsdQuantity.newInstance(7d, null)), createQuantityMap("counter", TsdQuantity.newInstance(8d, null)), createQuantityMap("gauge", TsdQuantity.newInstance(9d, null))); sink.record(event);/*from w w w . j a va 2 s . c o m*/ semaphore.acquire(); // Request matcher final RequestPatternBuilder requestPattern = WireMock.postRequestedFor(WireMock.urlEqualTo(PATH)) .withHeader("Content-Type", WireMock.equalTo("application/octet-stream")); // Assert that data was sent _wireMockRule.verify(1, requestPattern); Assert.assertTrue(_wireMockRule.findUnmatchedRequests().getRequests().isEmpty()); }