Example usage for java.util.concurrent Semaphore release

Introduction

In this page you can find the example usage for java.util.concurrent Semaphore release.

Prototype

public void release() 

Source Link

Document

Releases a permit, returning it to the semaphore.

Usage

From source file:com.qwazr.search.index.IndexInstance.java

final Object postMappedDocument(final Map<String, Object> document) throws IOException, InterruptedException {
    if (document == null || document.isEmpty())
        return null;
    final Semaphore sem = schema.acquireWriteSemaphore();
    try {/*from   ww w . j  av  a2 s .c o m*/
        schema.checkSize(1);
        RecordsPoster.UpdateMapDocument poster = getDocumentPoster();
        poster.accept(document);
        Object id = poster.ids.isEmpty() ? null : poster.ids.iterator().next();
        nrtCommit();
        return id;
    } finally {
        if (sem != null)
            sem.release();
    }
}

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From source file:com.bt.aloha.collections.memory.InMemoryCollectionImpl.java

public void remove(String infoId) {
    Semaphore semaphore = getSemaphores().get(infoId);
    if (semaphore == null)
        return;//from  w  w  w  . j a  v a  2s  .  co  m

    try {
        semaphore.acquire();
    } catch (InterruptedException e) {
        log.error(String.format(FAILED_TO_REMOVE_OBJECT_MESSAGE, infoId, this.getClass().getSimpleName(),
                e.getMessage()));
        throw new CollectionAccessInterruptedException(String.format(FAILED_TO_REMOVE_OBJECT_MESSAGE, infoId,
                this.getClass().getSimpleName(), e.getMessage()), e);
    }
    try {
        if (infos.remove(infoId) != null) {
            getSemaphores().remove(infoId);
            log.info(String.format("Removed info %s", infoId));
        } else
            log.warn(String.format("Failed to find info %s", infoId));
    } finally {
        semaphore.release();
    }
}

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From source file:com.qwazr.search.index.IndexInstance.java

final <T> Object postDocument(final Map<String, Field> fields, final T document)
        throws IOException, InterruptedException {
    if (document == null)
        return null;
    final Semaphore sem = schema.acquireWriteSemaphore();
    try {//from  w ww .j  ava2 s .c om
        schema.checkSize(1);
        RecordsPoster.UpdateObjectDocument poster = getDocumentPoster(fields);
        poster.accept(document);
        Object id = poster.ids.isEmpty() ? null : poster.ids.iterator().next();
        nrtCommit();
        return id;
    } finally {
        if (sem != null)
            sem.release();
    }
}

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From source file:com.qwazr.search.index.IndexInstance.java

final ResultDefinition search(final QueryDefinition queryDefinition,
        ResultDocumentBuilder.BuilderFactory<?> documentBuilderFactory) throws IOException,
        InterruptedException, ParseException, ReflectiveOperationException, QueryNodeException {
    final Semaphore sem = schema.acquireReadSemaphore();
    try {/*from w ww.  j a va  2 s.  c  o  m*/
        final IndexSearcher indexSearcher = searcherManager.acquire();
        try {
            return QueryUtils.search(buildQueryContext(indexSearcher, queryDefinition), documentBuilderFactory);
        } finally {
            searcherManager.release(indexSearcher);
        }
    } finally {
        if (sem != null)
            sem.release();
    }
}

---

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/*from ww  w  . j  a  va2 s . co 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.ParsePushTest.java

@Test
public void testSubscribeInBackgroundWithCallbackFail() throws Exception {
    ParsePushChannelsController controller = mock(ParsePushChannelsController.class);
    final ParseException exception = new ParseException(ParseException.OTHER_CAUSE, "error");
    when(controller.subscribeInBackground(anyString())).thenReturn(Task.<Void>forError(exception));
    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/*from   www.j a v a2  s. c o  m*/
        public void done(ParseException e) {
            exceptionCapture.set(e);
            done.release();
        }
    });
    assertSame(exception, exceptionCapture.get());
    assertTrue(done.tryAcquire(1, 10, TimeUnit.SECONDS));
    verify(controller, times(1)).subscribeInBackground("test");
}

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From source file:com.parse.ParsePushTest.java

@Test
public void testUnsubscribeInBackgroundWithCallbackSuccess() throws Exception {
    final ParsePushChannelsController controller = mock(ParsePushChannelsController.class);
    when(controller.unsubscribeInBackground(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.unsubscribeInBackground("test", new SaveCallback() {
        @Override//from   www . j  a v  a  2s.  co 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)).unsubscribeInBackground("test");
}

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From source file:com.parse.ParsePushTest.java

@Test
public void testUnsubscribeInBackgroundWithCallbackFail() throws Exception {
    ParsePushChannelsController controller = mock(ParsePushChannelsController.class);
    final ParseException exception = new ParseException(ParseException.OTHER_CAUSE, "error");
    when(controller.unsubscribeInBackground(anyString())).thenReturn(Task.<Void>forError(exception));
    ParseCorePlugins.getInstance().registerPushChannelsController(controller);

    ParsePush push = new ParsePush();
    final Semaphore done = new Semaphore(0);
    final Capture<Exception> exceptionCapture = new Capture<>();
    push.unsubscribeInBackground("test", new SaveCallback() {
        @Override/* w  ww  .ja  v  a2s  . c om*/
        public void done(ParseException e) {
            exceptionCapture.set(e);
            done.release();
        }
    });
    assertSame(exception, exceptionCapture.get());
    assertTrue(done.tryAcquire(1, 10, TimeUnit.SECONDS));
    verify(controller, times(1)).unsubscribeInBackground("test");
}

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From source file:com.thoughtworks.go.agent.bootstrapper.AgentBootstrapperTest.java

@Test
public void shouldNotDieWhenInvocationOfLauncherRaisesException_butCreationOfLauncherWentThrough()
        throws InterruptedException {
    final Semaphore waitForLauncherInvocation = new Semaphore(1);
    waitForLauncherInvocation.acquire();
    final AgentBootstrapper bootstrapper = new AgentBootstrapper() {
        @Override// w  ww  .jav a2  s  .c  om
        AgentLauncherCreator getLauncherCreator() {
            return new AgentLauncherCreator() {
                public AgentLauncher createLauncher() {
                    return new AgentLauncher() {
                        public int launch(AgentLaunchDescriptor descriptor) {
                            try {
                                throw new RuntimeException("fail!!! i say.");
                            } finally {
                                if (waitForLauncherInvocation.availablePermits() == 0) {
                                    waitForLauncherInvocation.release();
                                }
                            }
                        }

                    };
                }

                @Override
                public void close() {
                }
            };
        }
    };

    final AgentBootstrapper spyBootstrapper = stubJVMExit(bootstrapper);

    Thread stopLoopThd = new Thread(new Runnable() {
        public void run() {
            try {
                waitForLauncherInvocation.acquire();
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
            ReflectionUtil.setField(spyBootstrapper, "loop", false);
        }
    });
    stopLoopThd.start();
    try {
        spyBootstrapper.go(true,
                new AgentBootstrapperArgs(new URL("http://" + "ghost-name" + ":" + 3518 + "/go"), null,
                        AgentBootstrapperArgs.SslMode.NONE));
        stopLoopThd.join();
    } catch (Exception e) {
        fail("should not have propagated exception thrown while invoking the launcher");
    }
}

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From source file:com.parse.ParsePushTest.java

@Test
public void testSendInBackgroundWithCallbackSuccess() throws Exception {
    // Mock controller
    ParsePushController controller = mock(ParsePushController.class);
    when(controller.sendInBackground(any(ParsePush.State.class), anyString()))
            .thenReturn(Task.<Void>forResult(null));
    ParseCorePlugins.getInstance().registerPushController(controller);

    // Make sample ParsePush data and call method
    ParsePush push = new ParsePush();
    JSONObject data = new JSONObject();
    data.put("key", "value");
    List<String> channels = new ArrayList<>();
    channels.add("test");
    channels.add("testAgain");
    push.builder.expirationTime((long) 1000).data(data).pushToIOS(true).channelSet(channels);
    final Semaphore done = new Semaphore(0);
    final Capture<Exception> exceptionCapture = new Capture<>();
    push.sendInBackground(new SendCallback() {
        @Override/*w w w .  j a va2s .c  om*/
        public void done(ParseException e) {
            exceptionCapture.set(e);
            done.release();
        }
    });

    // Make sure controller is executed and state parameter is correct
    assertNull(exceptionCapture.get());
    assertTrue(done.tryAcquire(1, 10, TimeUnit.SECONDS));
    ArgumentCaptor<ParsePush.State> stateCaptor = ArgumentCaptor.forClass(ParsePush.State.class);
    verify(controller, times(1)).sendInBackground(stateCaptor.capture(), anyString());
    ParsePush.State state = stateCaptor.getValue();
    assertTrue(state.pushToIOS());
    assertEquals(data, state.data(), JSONCompareMode.NON_EXTENSIBLE);
    assertEquals(2, state.channelSet().size());
    assertTrue(state.channelSet().contains("test"));
    assertTrue(state.channelSet().contains("testAgain"));
}

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