Example usage for java.util.concurrent.locks Lock unlock

Introduction

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

Prototype

void unlock();

Source Link

Document

Releases the lock.

Usage

From source file:org.apache.synapse.startup.tasks.RegistryResourceFetcher.java

public void setState(State state) {
    Lock writeLock = lock.writeLock();
    writeLock.lock();/* w  w w . j  av  a 2s .c  om*/
    try {
        if (state == State.ACTIVE) {
            currentFailedCount = 0;
            executionCount = 0;
            nextSuspendExecutionCount = 1;
            lastExecutionTime = 0;
        } else if (state == State.SUSPENDED) {
            currentFailedCount = 0;
            executionCount = 0;
            nextSuspendExecutionCount = 0;
        }
        this.state = state;
    } finally {
        writeLock.unlock();
    }
}

---

From source file:org.apache.hadoop.hbase.util.ConnectionCache.java

/**
 * Get the cached connection for the current user.
 * If none or timed out, create a new one.
 *//*from   ww w.  j  a v a 2  s. c o  m*/
ConnectionInfo getCurrentConnection() throws IOException {
    String userName = getEffectiveUser();
    ConnectionInfo connInfo = connections.get(userName);
    if (connInfo == null || !connInfo.updateAccessTime()) {
        Lock lock = locker.acquireLock(userName);
        try {
            connInfo = connections.get(userName);
            if (connInfo == null) {
                UserGroupInformation ugi = realUser;
                if (!userName.equals(realUserName)) {
                    ugi = UserGroupInformation.createProxyUser(userName, realUser);
                }
                User user = userProvider.create(ugi);
                Connection conn = ConnectionFactory.createConnection(conf, user);
                connInfo = new ConnectionInfo(conn, userName);
                connections.put(userName, connInfo);
            }
        } finally {
            lock.unlock();
        }
    }
    return connInfo;
}

---

From source file:com.esofthead.mycollab.module.ecm.esb.impl.SaveContentCommandImpl.java

@Override
public void saveContent(Content content, String createdUser, Integer sAccountId) {
    LOG.debug("Save content {} by {}", BeanUtility.printBeanObj(content), createdUser);
    if (sAccountId == null) {
        return;/*from  www. j av a 2  s  . com*/
    }

    Lock lock = DistributionLockUtil.getLock("ecm-" + sAccountId);
    long totalSize = content.getSize();

    if (StringUtils.isNotBlank(content.getThumbnail())) {
        totalSize += rawContentService.getSize(content.getThumbnail());
    }

    try {
        if (lock.tryLock(1, TimeUnit.HOURS)) {
            DriveInfo driveInfo = driveInfoService.getDriveInfo(sAccountId);
            if (driveInfo.getUsedvolume() == null) {
                driveInfo.setUsedvolume(totalSize);
            } else {
                driveInfo.setUsedvolume(totalSize + driveInfo.getUsedvolume());
            }

            driveInfoService.saveOrUpdateDriveInfo(driveInfo);
        }
    } catch (Exception e) {
        LOG.error("Error while save content " + BeanUtility.printBeanObj(content), e);
    } finally {
        lock.unlock();
    }
}

---

From source file:com.lonepulse.zombielink.processor.AsyncEndpointTest.java

/**
 * <p>Tests an erroneous asynchronous request where the implementation of the 
 * {@link AsyncHandler#onError(Exception)} callback throws an exception.</p>
 *  /* w w w .  j  a v a  2s .  c  om*/
 * @since 1.3.0
 */
@Test
public final void testAsyncErrorCallbackError() throws InterruptedException {

    String subpath = "/errorcallbackerror", body = "non-JSON-content";

    stubFor(get(urlEqualTo(subpath)).willReturn(aResponse().withStatus(200).withBody(body)));

    final Lock lock = new ReentrantLock();
    final Condition condition = lock.newCondition();

    asyncEndpoint.asyncErrorCallbackError(new AsyncHandler<User>() {

        @Override
        public void onSuccess(HttpResponse httpResponse, User user) {
        }

        @Override
        public void onError(InvocationException error) {

            try {

                throw new IllegalStateException();
            } finally {

                lock.lock();
                condition.signal();
                lock.unlock();
            }
        }
    });

    lock.lock();
    condition.await();
    lock.unlock();

    verify(getRequestedFor(urlEqualTo(subpath)));

    successScenario(); //verify that the asynchronous request executor has survived the exception
}

---

From source file:com.ery.ertc.estorm.util.ByteBufferArray.java

/**
 * Access(read or write) this buffer array with a position and length as the given array. Here we will only lock one buffer even if it
 * may be need visit several buffers. The consistency is guaranteed by the caller.
 * //  w w  w . j  a  v  a2  s.  c o  m
 * @param start
 *            start offset of this buffer array
 * @param len
 *            The maximum number of bytes to be accessed
 * @param array
 *            The array from/to which bytes are to be read/written
 * @param arrayOffset
 *            The offset within the given array of the first byte to be read or written
 * @param visitor
 *            implement of how to visit the byte buffer
 */
void multiple(long start, int len, byte[] array, int arrayOffset, Visitor visitor) {
    assert len >= 0;
    long end = start + len;
    int startBuffer = (int) (start / bufferSize), startOffset = (int) (start % bufferSize);
    int endBuffer = (int) (end / bufferSize), endOffset = (int) (end % bufferSize);
    assert array.length >= len + arrayOffset;
    assert startBuffer >= 0 && startBuffer < bufferCount;
    assert endBuffer >= 0 && endBuffer < bufferCount || (endBuffer == bufferCount && endOffset == 0);
    if (startBuffer >= locks.length || startBuffer < 0) {
        String msg = "Failed multiple, start=" + start + ",startBuffer=" + startBuffer + ",bufferSize="
                + bufferSize;
        LOG.error(msg);
        throw new RuntimeException(msg);
    }
    int srcIndex = 0, cnt = -1;
    for (int i = startBuffer; i <= endBuffer; ++i) {
        Lock lock = locks[i];
        lock.lock();
        try {
            ByteBuffer bb = buffers[i];
            if (i == startBuffer) {
                cnt = bufferSize - startOffset;
                if (cnt > len)
                    cnt = len;
                bb.limit(startOffset + cnt).position(startOffset);
            } else if (i == endBuffer) {
                cnt = endOffset;
                bb.limit(cnt).position(0);
            } else {
                cnt = bufferSize;
                bb.limit(cnt).position(0);
            }
            visitor.visit(bb, array, srcIndex + arrayOffset, cnt);
            srcIndex += cnt;
        } finally {
            lock.unlock();
        }
    }
    assert srcIndex == len;
}

---

From source file:com.lonepulse.zombielink.processor.AsyncEndpointTest.java

/**
 * <p>Tests a failed asynchronous request where the implementation of the 
 * {@link AsyncHandler#onFailure(HttpResponse)} callback throws an exception.</p>
 *  //from w  ww  .j av  a  2  s .com
 * @since 1.3.0
 */
@Test
public final void testAsyncFailureCallbackError() throws InterruptedException {

    String subpath = "/failurecallbackerror";

    stubFor(get(urlEqualTo(subpath)).willReturn(aResponse().withStatus(404)));

    final Lock lock = new ReentrantLock();
    final Condition condition = lock.newCondition();

    asyncEndpoint.asyncFailureCallbackError(new AsyncHandler<String>() {

        @Override
        public void onSuccess(HttpResponse httpResponse, String e) {
        }

        @Override
        public void onFailure(HttpResponse httpResponse) {

            try {

                throw new IllegalStateException();
            } finally {

                lock.lock();
                condition.signal();
                lock.unlock();
            }
        }
    });

    lock.lock();
    condition.await();
    lock.unlock();

    verify(getRequestedFor(urlEqualTo(subpath)));

    successScenario(); //verify that the asynchronous request executor has survived the exception
}

---

From source file:org.eclipse.gyrex.persistence.internal.storage.RepositoryRegistry.java

/**
 * Returns the repository with the specified id.
 * /*from ww w .j  av a 2 s. c o m*/
 * @param repositoryId
 *            the repository id.
 * @return the repository
 * @throws IllegalStateException
 *             if a repository with the specified id is not available
 */
public Repository getRepository(final String repositoryId) throws IllegalStateException {
    if (null == repositoryId) {
        throw new IllegalArgumentException("repository id must not be null");
    }

    if (closed.get()) {
        throw new IllegalStateException("closed");
    }

    // lookup a cached instance
    Repository repository = repositoryCache.get(repositoryId);
    if (null != repository) {
        return repository;
    }

    // get repository definition
    final RepositoryDefinition repositoryDef = getStore().findById(repositoryId);
    if (null == repositoryDef) {
        throw new IllegalStateException(
                MessageFormat.format("The repository with id \"{0}\" could not be found!", repositoryId));
    }

    // create a new instance
    final Lock repositoryCreationLock = getOrCreateRepositoryLock(repositoryId);
    repositoryCreationLock.lock();
    try {
        // make sure the cache is empty
        repository = repositoryCache.get(repositoryId);
        if (null != repository) {
            // use cached repository
            return repository;
        }

        // create the repository
        repository = createRepository(repositoryDef);

        // put the repository instance in the cache
        repositoryCache.put(repositoryId, repository);
    } finally {
        repositoryCreationLock.unlock();
    }

    // register repository in state map
    registryState.put(STATE_REPOSITORY_PREFIX.concat(repositoryId), STATE_ACTIVE);

    // update the repository state (outside lock)
    updateRepositoryState();

    // return the repository
    return repository;
}

---

From source file:DemandCache.java

/**
 * @see java.util.Map#put(java.lang.Object, java.lang.Object)
 *///  w  w w. j  a  v  a2s.  co m
public V put(K key, V value) {
    Lock lock = theLock.writeLock();
    lock.lock();
    try {
        if (thePurgeTime < System.currentTimeMillis() - 60 * 1000)
            purge();
        CacheValue newValue = new CacheValue();
        newValue.value = value;
        _access(newValue, ACCESS_SET);
        CacheValue oldValue = theCache.put(key, newValue);
        return oldValue == null ? null : oldValue.value;
    } finally {
        lock.unlock();
    }
}

---

From source file:edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.ShibbolethAttributeResolver.java

/**
 * Resolves the attributes requested in the resolution context or all attributes if no specific attributes were
 * requested. This method does not remove dependency only attributes or attributes that do not contain values.
 * /*from  ww w.j a va 2s  .  c  o  m*/
 * @param resolutionContext current resolution context
 * 
 * @return resolved attributes
 * 
 * @throws AttributeResolutionException thrown if the attributes could not be resolved
 */
protected Map<String, BaseAttribute> resolveAttributes(ShibbolethResolutionContext resolutionContext)
        throws AttributeResolutionException {
    Collection<String> attributeIDs = resolutionContext.getAttributeRequestContext()
            .getRequestedAttributesIds();
    Map<String, BaseAttribute> resolvedAttributes = new HashMap<String, BaseAttribute>();

    // if no attributes requested, then resolve everything
    if (attributeIDs == null || attributeIDs.isEmpty()) {
        log.debug("Specific attributes for principal {} were not requested, resolving all attributes.",
                resolutionContext.getAttributeRequestContext().getPrincipalName());
        attributeIDs = getAttributeDefinitions().keySet();
    }

    Lock readLock = getReadWriteLock().readLock();
    readLock.lock();
    try {
        for (String attributeID : attributeIDs) {
            BaseAttribute resolvedAttribute = resolveAttribute(attributeID, resolutionContext);
            if (resolvedAttribute != null) {
                resolvedAttributes.put(resolvedAttribute.getId(), resolvedAttribute);
            }
        }
    } finally {
        readLock.unlock();
    }

    return resolvedAttributes;
}

---

From source file:org.geotools.gce.imagemosaic.catalog.GTDataStoreGranuleCatalog.java

@Override
public SimpleFeatureType getType(String typeName) throws IOException {
    final Lock lock = rwLock.readLock();
    try {/*  w  w w . ja  v a  2  s.  c o m*/
        lock.lock();
        checkStore();

        if (this.typeNames.isEmpty() || !this.typeNames.contains(typeName)) {
            return null;
        }
        return tileIndexStore.getSchema(typeName);
    } finally {
        lock.unlock();
    }

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »