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:org.apache.synapse.startup.tasks.RegistryResourceFetcher.java

public void execute() {
    Lock readerLock = lock.readLock();
    readerLock.lock();/*from  w w w  .  j a v a 2 s  . com*/
    try {
        boolean execute = false;
        executionCount++;
        if (state == State.SUSPENDED) {
            if (executionCount >= maxSuspendThreshold) {
                execute = true;
            }
        } else if (state == State.BACK_OFF) {
            if (nextSuspendExecutionCount == executionCount) {
                nextSuspendExecutionCount = nextSuspendExecutionCount * backOffFactor;
                execute = true;
            }
        } else if (state == State.SUSPECT || state == State.ACTIVE) {
            execute = true;
        }

        if (!execute) {
            if (log.isDebugEnabled()) {
                log.debug("Skipping the execution because the Registry Fetching is at SUSPENDED state");
            }
            return;
        }

        for (RegistryResourceEntry key : registryResources) {
            if (state == State.ACTIVE) {
                Entry entry = synapseConfiguration.getEntryDefinition(key.getPath());

                if (entry == null) {
                    log.warn("A non remote entry has being specified: " + key.getPath());
                    return;
                }

                if (key.getType().equals(SEQUENCE)) {
                    entry.setMapper(MediatorFactoryFinder.getInstance());
                } else if (key.getType().equals(ENDPOINT)) {
                    entry.setMapper(XMLToEndpointMapper.getInstance());
                }

                fetchEntry(key.getPath());
            }
        }

        lastExecutionTime = System.currentTimeMillis();
    } finally {
        readerLock.unlock();
    }
}

From source file:com.netprogs.minecraft.plugins.social.SocialPerson.java

public void endDivorce() {
    Lock lock = rwDivorceLock.writeLock();
    lock.lock();//from ww w.  java2s.  c o m
    try {
        String spouseName = StringUtils.EMPTY;
        if (person.getDivorce() != null) {
            spouseName = person.getDivorce().getPlayerName();
            firePlayerMemberChangeEvent(spouseName, SocialNetworkCommandType.divorce, Type.preRemove, true);
        }

        person.setDivorce(null);
        socialDivorce = null;

        if (StringUtils.isNotEmpty(spouseName)) {
            firePlayerMemberChangeEvent(spouseName, SocialNetworkCommandType.divorce, Type.postRemove, true);
        }

    } finally {
        lock.unlock();
    }
}

From source file:org.opendedup.collections.ShardedProgressiveFileBasedCSMap.java

@Override
public boolean remove(ChunkData cm) throws IOException {
    if (this.isClosed()) {
        throw new IOException("hashtable [" + this.fileName + "] is close");
    }/*w  ww  .ja  v  a 2s .  co m*/
    Lock l = gcLock.readLock();
    l.lock();
    try {
        if (!runningGC && !lbf.mightContain(cm.getHash()))
            return false;
        try {
            if (cm.getHash().length == 0)
                return true;
            AbstractShard m = this.getReadMap(cm.getHash(), true);
            if (m == null)
                return false;
            if (!m.remove(cm.getHash())) {
                return false;
            } else {
                cm.setmDelete(true);
                if (this.isClosed()) {
                    throw new IOException("hashtable [" + this.fileName + "] is close");
                }
                try {
                    this.kSz.decrementAndGet();
                } catch (Exception e) {
                }

                return true;
            }
        } catch (Exception e) {
            SDFSLogger.getLog().fatal("error getting record", e);
            return false;
        }
    } finally {
        l.unlock();
    }
}

From source file:org.apache.sling.scripting.sightly.impl.engine.UnitLoader.java

/**
 * Create a render unit from the given resource
 *
 * @param scriptResource the resource//from   w  w  w .ja  v a  2  s .  co m
 * @param bindings       the bindings
 * @param renderContext  the rendering context
 * @return the render unit
 */
public RenderUnit createUnit(Resource scriptResource, Bindings bindings, RenderContextImpl renderContext) {
    Lock lock = null;
    try {
        SourceIdentifier sourceIdentifier = obtainIdentifier(scriptResource);
        Object obj;
        ResourceMetadata resourceMetadata = scriptResource.getResourceMetadata();
        String encoding = resourceMetadata.getCharacterEncoding();
        if (encoding == null) {
            encoding = sightlyEngineConfiguration.getEncoding();
        }
        SlingHttpServletResponse response = (SlingHttpServletResponse) bindings.get(SlingBindings.RESPONSE);
        response.setCharacterEncoding(encoding);
        ResourceResolver adminResolver = renderContext.getScriptResourceResolver();
        if (needsUpdate(sourceIdentifier)) {
            synchronized (activeWrites) {
                String sourceFullPath = sourceIdentifier.getSourceFullPath();
                lock = activeWrites.get(sourceFullPath);
                if (lock == null) {
                    lock = new ReentrantLock();
                    activeWrites.put(sourceFullPath, lock);
                }
                lock.lock();
            }
            Resource javaClassResource = createClass(adminResolver, sourceIdentifier, bindings, encoding,
                    renderContext);
            obj = sightlyJavaCompilerService.compileSource(javaClassResource,
                    sourceIdentifier.getFullyQualifiedName());
        } else {
            obj = sightlyJavaCompilerService.getInstance(adminResolver, null,
                    sourceIdentifier.getFullyQualifiedName());
        }
        if (!(obj instanceof RenderUnit)) {
            throw new SightlyException("Class is not a RenderUnit instance");
        }
        return (RenderUnit) obj;
    } finally {
        if (lock != null) {
            lock.unlock();
        }
    }
}

From source file:com.netprogs.minecraft.plugins.social.SocialPerson.java

public void breakMarriage() {
    Lock lock = rwMarriageLock.writeLock();
    lock.lock();/*from w w  w .  j a  v a2s  . c o m*/
    try {

        String spouseName = StringUtils.EMPTY;
        if (person.getMarriage() != null) {
            spouseName = person.getMarriage().getPlayerName();
            firePlayerMemberChangeEvent(spouseName, SocialNetworkCommandType.marriage, Type.preRemove, true);
        }

        person.setMarriage(null);
        socialMarriage = null;

        if (StringUtils.isNotEmpty(spouseName)) {
            firePlayerMemberChangeEvent(spouseName, SocialNetworkCommandType.marriage, Type.postRemove, true);
        }

    } finally {
        lock.unlock();
    }
}

From source file:org.opendedup.collections.ShardedProgressiveFileBasedCSMap.java

@Override
public boolean claimKey(byte[] hash, long val, long ct) throws IOException {
    Lock l = gcLock.readLock();
    l.lock();//from ww  w  . jav a 2  s  . c  o  m
    try {
        if (!runningGC && !lbf.mightContain(hash)) {
            return false;
        }
        AbstractShard k = this.keyLookup.getIfPresent(new ByteArrayWrapper(hash));
        if (k != null) {
            try {
                boolean pos = k.claim(hash, val, ct);
                if (pos) {
                    // m.cache();
                    return pos;
                }
            } catch (MapClosedException e) {
                this.keyLookup.invalidate(new ByteArrayWrapper(hash));
            }
        }
        for (AbstractShard m : this.maps.getAL()) {
            try {
                boolean pos = m.claim(hash, val, ct);
                if (pos) {
                    // m.cache();
                    return pos;
                }
            } catch (MapClosedException e) {
            }
        }
        SDFSLogger.getLog().info("miss2");
        return false;
    } finally {
        l.unlock();
    }
}

From source file:com.netprogs.minecraft.plugins.social.SocialPerson.java

/**
 * Removes all the messages of every type of the given person.
 * @param fromPlayerName//  w  w  w.j  a v a 2 s . c  o  m
 * @param messageClass
 * @return
 */
public void removeMessagesFrom(SocialPerson fromPerson) {

    Lock lock = rwMessageQueueLock.writeLock();
    lock.lock();
    try {

        // go through every class in the message queue and remove the player list from it
        for (String className : person.getMessageQueue().keySet()) {

            // remove the person
            person.getMessageQueue().get(className).remove(fromPerson.getName());

            // if the message type list is empty, remove it also, just to save object memory
            if (person.getMessageQueue().get(className).keySet().size() == 0) {
                person.getMessageQueue().remove(className);
            }
        }

    } finally {
        lock.unlock();
    }
}

From source file:com.ning.maven.plugins.dependencyversionscheck.AbstractDependencyVersionsMojo.java

/**
 * Convenience method for a multi map add. Also makes sure that all the actual versions line up.
 *///from  www. j av a2  s.  c o  m
private void addToResolutionMap(final Map resolutionMap, final VersionResolution resolution) {
    Lock lock = (Lock) resolutionMapLocks.get(resolution.getDependencyName());
    // lock to protect mutation on the list per dependency as this can potentially run in multiple threads
    lock.lock();
    try {
        List resolutions = (List) resolutionMap.get(resolution.getDependencyName());
        if (resolutions == null) {
            resolutions = new ArrayList();
            resolutionMap.put(resolution.getDependencyName(), resolutions);
        }

        for (Iterator it = resolutions.iterator(); it.hasNext();) {
            final VersionResolution existingResolution = (VersionResolution) it.next();
            // TODO: It might be reasonable to fail the build in this case. However, I have yet to see
            // this message... :-)
            if (!existingResolution.getActualVersion().equals(resolution.getActualVersion())) {
                LOG.warn("Dependency '{} expects version '{}' but '{}' already resolved to '{}'!",
                        new Object[] { resolution.getDependencyName(), resolution.getActualVersion(),
                                existingResolution.getDependencyName(),
                                existingResolution.getActualVersion() });
            }
        }
        LOG.debug("Adding resolution: {}", resolution);
        resolutions.add(resolution);
    } finally {
        lock.unlock();
    }
}

From source file:org.ng200.openolympus.services.TestingService.java

private SolutionJudge compileSolution(final Solution solution, final SolutionJudge judge,
        final Properties properties) throws ExecutionException {
    if (this.dataProvider == null) {
        throw new IllegalStateException("Shared data provider is null!");
    }/*w w w . j a v  a  2 s.c  o  m*/

    final Lock lock = solution.getTask().readLock();
    lock.lock();

    try {
        TestingService.logger.info("Scheduling solution {} for compilation.", solution.getId());

        final JPPFJob job = new JPPFJob();
        job.setDataProvider(this.dataProvider);

        job.setName("Compile solution " + solution.getId());

        job.getSLA().setMaxNodes(1);
        job.getSLA().setPriority((int) (Integer.MAX_VALUE - solution.getId()));
        job.getSLA().setDispatchExpirationSchedule(new JPPFSchedule(20000L));
        job.getSLA().setMaxDispatchExpirations(5);

        TaskContainer taskContainer = taskContainerCache.getTaskContainerForTask(solution.getTask());

        Thread.currentThread().setContextClassLoader(
                new URLClassLoader(taskContainer.getClassLoaderURLs().toArray(new URL[0]),
                        Thread.currentThread().getContextClassLoader()));
        job.add(new JacksonSerializationDelegatingTask<>(new SolutionCompilationTask(judge,
                Lists.from(storageService.getSolutionFile(solution)), properties),
                taskContainer.getClassLoaderURLs()));

        job.setBlocking(false);

        jppfClient.registerClassLoader(taskContainer.getClassLoader(), job.getUuid());
        this.jppfClient.submitJob(job);
        final JsonTaskExecutionResult<SolutionJudge> result = ((JacksonSerializationDelegatingTask<SolutionJudge, SolutionCompilationTask>) job
                .awaitResults().get(0)).getResultOrThrowable();

        if (result.getError() != null) {
            throw result.getError();
        }

        return result.getResult();

    } catch (final Throwable throwable) {
        throw new RuntimeException("Couldn't compile solution: ", throwable);
    } finally {
        lock.unlock();
    }
}

From source file:com.esofthead.mycollab.module.project.service.ibatis.GanttAssignmentServiceImpl.java

private void massUpdateMilestoneGanttItems(final List<MilestoneGanttItem> milestoneGanttItems,
        Integer sAccountId) {/*  w  w  w . j  a  v a 2  s. co m*/
    if (CollectionUtils.isNotEmpty(milestoneGanttItems)) {
        Lock lock = DistributionLockUtil.getLock("gantt-milestone-service" + sAccountId);
        try {
            final long now = new GregorianCalendar().getTimeInMillis();
            if (lock.tryLock(30, TimeUnit.SECONDS)) {
                try (Connection connection = dataSource.getConnection()) {
                    connection.setAutoCommit(false);
                    PreparedStatement preparedStatement = connection.prepareStatement(
                            "UPDATE `m_prj_milestone` SET " + "name = ?, `startdate` = ?, `enddate` = ?, "
                                    + "`lastUpdatedTime`=?, `owner`=?, `ganttIndex`=? WHERE `id` = ?");
                    for (int i = 0; i < milestoneGanttItems.size(); i++) {
                        preparedStatement.setString(1, milestoneGanttItems.get(i).getName());
                        preparedStatement.setDate(2,
                                getDateWithNullValue(milestoneGanttItems.get(i).getStartDate()));
                        preparedStatement.setDate(3,
                                getDateWithNullValue(milestoneGanttItems.get(i).getEndDate()));
                        preparedStatement.setDate(4, new Date(now));
                        preparedStatement.setString(5, milestoneGanttItems.get(i).getAssignUser());
                        preparedStatement.setInt(6, milestoneGanttItems.get(i).getGanttIndex());
                        preparedStatement.setInt(7, milestoneGanttItems.get(i).getId());
                        preparedStatement.addBatch();

                    }
                    preparedStatement.executeBatch();
                    connection.commit();
                }
            }
        } catch (Exception e) {
            throw new MyCollabException(e);
        } finally {
            DistributionLockUtil.removeLock("gantt-milestone-service" + sAccountId);
            lock.unlock();
        }
    }
}