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

List of usage examples for java.util.concurrent.locks Lock unlock

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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:com.mastfrog.netty.http.client.CookieStore.java

public void remove(String name) {
    Lock writeLock = lock.writeLock();
    try {//from  www .ja  v  a2  s.c  o m
        writeLock.lock();
        for (Iterator<DateCookie> it = cookies.iterator(); it.hasNext();) {
            DateCookie ck = it.next();
            if (name.equals(ck.getName())) {
                it.remove();
            }
        }
    } finally {
        writeLock.unlock();
    }
}

From source file:org.springframework.integration.hazelcast.HazelcastLocalInstanceRegistrar.java

private void syncConfigurationMultiMap(HazelcastInstance hazelcastInstance) {
    Lock lock = hazelcastInstance.getLock(SPRING_INTEGRATION_INTERNAL_CLUSTER_LOCK);
    lock.lock();/*from w  w  w  .j  ava 2 s.  c  o  m*/
    try {
        MultiMap<SocketAddress, SocketAddress> multiMap = hazelcastInstance
                .getMultiMap(SPRING_INTEGRATION_INTERNAL_CLUSTER_MULTIMAP);
        for (HazelcastInstance localInstance : Hazelcast.getAllHazelcastInstances()) {
            SocketAddress localInstanceSocketAddress = localInstance.getLocalEndpoint().getSocketAddress();
            if (multiMap.size() == 0) {
                multiMap.put(localInstanceSocketAddress, localInstanceSocketAddress);
            } else {
                multiMap.put(multiMap.keySet().iterator().next(), localInstanceSocketAddress);
            }
        }
    } finally {
        lock.unlock();
    }
}

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

public void removeType(String typeName) throws IOException {
    Utilities.ensureNonNull("featureType", typeName);
    final Lock lock = rwLock.writeLock();
    try {//from ww w .j  a  v a2  s. com
        lock.lock();
        checkStore();

        tileIndexStore.removeSchema(typeName);
        removeTypeName(typeName);

    } finally {
        lock.unlock();
    }

}

From source file:org.apache.synapse.endpoints.algorithms.WeightedRoundRobin.java

public void changeWeight(int pos, int weight) {
    Lock writeLock = lock.writeLock();
    writeLock.lock();//from   w  w w  .  ja va  2  s  .  c o m
    try {
        EndpointState state = null;
        for (EndpointState s : endpointStates) {
            if (s.getEndpointPosition() == pos) {
                state = s;
            }
        }

        if (state == null) {
            throw new SynapseException("The specified endpoint position cannot be found");
        }

        state.weight = weight;

        calculate();

        reset(null);
    } finally {
        writeLock.unlock();
    }
}

From source file:org.pepstock.jem.node.tasks.JobTask.java

/**
 * Loads all roles defined for a specific user.
 * @param user user to extract its roles
 * @return a list of roles assigned to the user
 * @throws NodeMessageException if any error occurs retrievin gthe roles
 *//* ww w  . j ava2  s  . c o m*/
private List<Role> loadRoles(User user) throws NodeMessageException {
    // creates Hazelcast predicate to extract all roles and permissions
    // assigned to user
    RolesQueuePredicate predicate = new RolesQueuePredicate();
    predicate.setUser(user);

    List<Role> myroles = null;
    // gets map and performs predicate!
    IMap<String, Role> rolesMap = Main.getHazelcast().getMap(Queues.ROLES_MAP);
    Lock lock = Main.getHazelcast().getLock(Queues.ROLES_MAP_LOCK);
    boolean isLock = false;
    try {
        isLock = lock.tryLock(10, TimeUnit.SECONDS);
        if (isLock) {
            myroles = new ArrayList<Role>(rolesMap.values(predicate));
        } else {
            throw new NodeMessageException(NodeMessage.JEMC119E, Queues.ROLES_MAP);
        }
    } catch (Exception e) {
        throw new NodeMessageException(NodeMessage.JEMC119E, e, Queues.ROLES_MAP);
    } finally {
        if (isLock) {
            lock.unlock();
        }
    }
    return myroles;
}

From source file:com.cloudera.oryx.ml.serving.als.model.ALSServingModel.java

void addKnownItems(String user, Collection<String> items) {
    ObjSet<String> knownItemsForUser = doGetKnownItems(user);

    if (knownItemsForUser == null) {
        Lock writeLock = xLock.writeLock();
        writeLock.lock();/*  w w w.  j ava 2 s. c o m*/
        try {
            // Check again
            knownItemsForUser = knownItems.get(user);
            if (knownItemsForUser == null) {
                knownItemsForUser = HashObjSets.newMutableSet();
                knownItems.put(user, knownItemsForUser);
            }
        } finally {
            writeLock.unlock();
        }
    }

    synchronized (knownItemsForUser) {
        knownItemsForUser.addAll(items);
    }
}

From source file:be.fgov.kszbcss.rhq.websphere.config.CellConfiguration.java

<T> T execute(SessionAction<T> action) throws JMException, ConnectorException, InterruptedException {
    // Note: a read lock can't be upgraded to a write lock, so we need to acquire a write
    // lock first.
    Lock readLock = sessionLock.readLock();
    Lock writeLock = sessionLock.writeLock();
    writeLock.lockInterruptibly();/*from  w ww  .  j a v  a  2s.  com*/
    try {
        if (destroyed) {
            throw new IllegalStateException("Object already destroyed; not accepting any new requests");
        }
        if (session == null) {
            session = new Session("rhq-websphere-plugin", false);
            if (log.isDebugEnabled()) {
                log.debug("New session created: " + session);
            }
        }
        readLock.lockInterruptibly();
    } finally {
        writeLock.unlock();
    }
    if (log.isDebugEnabled()) {
        log.debug("Start executing action " + action + " on session " + session);
    }
    try {
        return action.execute(configService, appManagement, session);
    } finally {
        readLock.unlock();
        if (log.isDebugEnabled()) {
            log.debug("Finished executing action " + action + " on session " + session);
        }
    }
}

From source file:org.oesf.eque.services.impl.QueueDispatcherImpl.java

@Override
public Integer allocateNumber() throws NoFreePlaceAvailableException {

    Lock atomic = this.lock;

    try {// ww  w . j  a v  a  2  s .c  om
        atomic.lock();

        occupiedQueue.add(freeQueue.element());
        Integer allocatedNumber = freeQueue.remove();
        LOG.debug("QDS-34C5F87A3F23: The on-demand allocated number is: \"{}\"", allocatedNumber);

        notifyStateChange(allocatedNumber, LocalDateTime.now(), FREE, OCCUPIED);
        return allocatedNumber;

    } catch (IllegalStateException ex) { // occupiedQueue.add()

        LOG.error("QDS-0EAE6367CEEE: Can not occupy a number.");
        throw new ChangeStateException();

    } catch (NoSuchElementException ex) { // freeQueue .element() | .remove()

        LOG.debug("QDS-3A2DFE3EE673: Allocating a new place number.");
        throw new NoFreePlaceAvailableException();

    } finally {
        atomic.unlock();
    }
}

From source file:org.mule.security.oauth.BaseOAuthClientFactory.java

/**
 * This method creates an instance of/*from  w  ww  .j ava 2s.c  o  m*/
 * {@link org.mule.security.oauth.OAuth2Adapter} which concrete type depends on
 * the return of
 * {@link BaseOAuthClientFactory#getAdapterClass} The
 * adapter is fully initialized and interfaces such as
 * {@link Initialisable},
 * {@link MuleContextAware} and
 * {@link Startable} are respected by invoking the
 * corresponding methods in case the adapter implements them. Finally, the
 * {@link OAuth2Connector#postAuth()} method is invoked.
 * 
 * @param key the of the object at the object store
 */
@Override
public final OAuth2Adapter makeObject(String key) throws Exception {
    OAuthState state = null;
    Lock lock = this.getLock(key);
    lock.lock();

    try {
        if (!this.objectStore.contains(key)) {
            throw new NotAuthorizedException(String.format(
                    "There is no access token stored under the key %s . You need to call the <authorize> message processor. The key will be given to you via a flow variable after the OAuth dance is completed. You can extract it using flowVars['tokenId'].",
                    key));
        }

        state = this.retrieveOAuthState(key, true);
    } finally {
        lock.unlock();
    }

    OAuth2Adapter connector = this.getAdapterClass().getConstructor(OAuth2Manager.class)
            .newInstance(this.oauthManager);

    connector.setConsumerKey(oauthManager.getDefaultUnauthorizedConnector().getConsumerKey());
    connector.setConsumerSecret(oauthManager.getDefaultUnauthorizedConnector().getConsumerSecret());
    connector.setAccessToken(state.getAccessToken());
    connector.setAuthorizationUrl(state.getAuthorizationUrl());
    connector.setAccessTokenUrl(state.getAccessTokenUrl());
    connector.setRefreshToken(state.getRefreshToken());

    this.setCustomAdapterProperties(connector, state);

    if (connector instanceof MuleContextAware) {
        ((MuleContextAware) connector).setMuleContext(oauthManager.getMuleContext());
    }
    if (connector instanceof Initialisable) {
        ((Initialisable) connector).initialise();
    }
    if (connector instanceof Startable) {
        ((Startable) connector).start();
    }

    this.oauthManager.postAuth(connector, key);
    return connector;
}

From source file:net.myrrix.online.ServerRecommender.java

private static FastIDSet getIDsFromKeys(FastByIDMap<float[]> map, Lock readLock, FastIDSet tagIDs) {
    readLock.lock();//w  ww .ja  v a2  s .co  m
    try {
        FastIDSet ids = new FastIDSet(map.size());
        LongPrimitiveIterator it = map.keySetIterator();
        while (it.hasNext()) {
            long id = it.nextLong();
            if (!tagIDs.contains(id)) {
                ids.add(id);
            }
        }
        return ids;
    } finally {
        readLock.unlock();
    }
}