Example usage for java.util.concurrent.locks ReentrantLock ReentrantLock

Introduction

In this page you can find the example usage for java.util.concurrent.locks ReentrantLock ReentrantLock.

Prototype

public ReentrantLock()

Source Link

Document

Creates an instance of ReentrantLock .

Usage

From source file:org.craftercms.engine.service.context.SiteContextManager.java

public SiteContextManager() {
    lock = new ReentrantLock();
    contextRegistry = new ConcurrentHashMap<>();
}

From source file:info.pancancer.arch3.worker.CollectingLogOutputStream.java

/**
 * Get all the lines concatenated into a single string, with \n between each line.
 * //from w ww.  j a  va2  s  . co m
 * @return
 */
public String getAllLinesAsString() {
    Lock lock = new ReentrantLock();
    lock.lock();
    // TODO: Add functionality to allow other join characters besides \n ? (not urgent)
    String allTheLines = StringUtils.join(this.lines, "\n");
    lock.unlock();
    return allTheLines;
}

From source file:org.excalibur.discovery.service.p2p.DiscoveryServiceImpl.java

public DiscoveryServiceImpl(Overlay overlay) {
    this.overlay_ = checkNotNull(overlay);
    mapper = new JsonJaxbObjectMapper();
    lock_ = new ReentrantLock();
}

From source file:com.eatnumber1.util.cglib.EnhancerUtils.java

@NotNull
public static <T, D extends T> T synchronize(@NotNull Class<T> type, @NotNull D delegate) {
    return synchronize(type, delegate, new ReentrantLock());
}

From source file:org.commonjava.util.partyline.BinaryFileTest.java

@Test
public void shouldReadBinaryFile() throws IOException, InterruptedException {
    List<String> failures = new ArrayList<>();

    File binaryFile = temp.newFile("binary-file.bin");
    ReentrantLock lock = new ReentrantLock();
    JoinableFile jf = new JoinableFile(binaryFile,
            new LockOwner(binaryFile.getAbsolutePath(), name.getMethodName(), LockLevel.write), true);
    OutputStream jos = jf.getOutputStream();
    InputStream actual = jf.joinStream();

    ByteArrayOutputStream written = new ByteArrayOutputStream();
    writeBinaryFile(jos, written);/*w ww  . jav a2  s  .c om*/

    int pos = 0;
    int exp, act;

    ByteArrayInputStream expected = new ByteArrayInputStream(written.toByteArray());
    while ((exp = expected.read()) != -1) {
        act = actual.read();
        pos++;

        if (act != exp) {
            failures.add(String.format("Failure at position %d. Expected %d, got %d", pos, exp, act));
        }
    }

    if (!failures.isEmpty()) {
        fail("Failures: " + failures);
    }
}

From source file:com.ebay.myriad.scheduler.MyriadScheduler.java

@Inject
public MyriadScheduler(final MyriadConfiguration cfg, final SchedulerState schedulerState) {
    this.driverOperationLock = new ReentrantLock();
    this.schedulerState = schedulerState;
}

From source file:org.ops4j.pax.web.extender.whiteboard.internal.HttpServiceTracker.java

/**
 * Tracks Http Services./* ww w  . j  ava  2 s .co m*/
 *
 * @param bundleContext a bundle context; mandatory
 */
public HttpServiceTracker(final BundleContext bundleContext) {
    super(validateBundleContext(bundleContext), HttpService.class.getName(), null);
    m_listeners = new ArrayList<HttpServiceListener>();
    lock = new ReentrantLock();
}

From source file:com.eatnumber1.util.cglib.EnhancerUtils.java

@NotNull
public static <T, D extends T> T synchronize(@NotNull ConstructorDescriptor<T> descriptor,
        @NotNull D delegate) {//  w  w w .  j a v  a2s .com
    return synchronize(descriptor, delegate, new ReentrantLock());
}

From source file:com.qut.middleware.saml2.identifier.impl.IdentifierGeneratorImpl.java

public IdentifierGeneratorImpl(IdentifierCache cache) {
    if (cache == null) {
        throw new IllegalArgumentException("identifier cache cannot be null."); //$NON-NLS-1$
    }/* w w w  .  ja v a2  s.  c om*/
    this.cache = cache;
    this.lock = new ReentrantLock();

    try {
        /* Attempt to get the specified RNG instance */
        this.random = SecureRandom.getInstance(this.RNG);
    } catch (NoSuchAlgorithmException nsae) {
        this.logger.error(Messages.getString("IdentifierGeneratorImpl.13")); //$NON-NLS-1$
        this.logger.debug(nsae.getLocalizedMessage(), nsae);
        this.random = new SecureRandom();
    }

    this.random.setSeed(System.currentTimeMillis());
}

From source file:info.pancancer.arch3.worker.WorkflowRunner.java

/**
 * Get the stdout of the running command.
 *
 * @return/*from  w  w  w.  j  a  v  a  2  s. c om*/
 */
public String getStdOut() {
    String s;
    Lock lock = new ReentrantLock();
    lock.lock();
    try {
        this.outputStream.flush();
        s = this.outputStream.getAllLinesAsString();
    } finally {
        lock.unlock();
    }
    return s;
}