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:com.mcapanel.plugin.PluginConnector.java

public boolean listen(String line) {
    try {/*  w w w. jav a 2 s  .  co  m*/
        JSONObject obj = (JSONObject) jsonParser.parse(line);

        if (obj.containsKey("plugin") && obj.get("plugin").equals("McAdminPanel") && obj.containsKey("type")) {
            if (obj.get("type").equals("response")) {
                final Lock lock = returnsLock.writeLock();
                lock.lock();

                try {
                    if (obj.get("time") != null)
                        returns.put((Long) obj.get("time"), new PluginReturn(System.currentTimeMillis(),
                                (String) obj.get("method"), (String) obj.get("response")));
                } finally {
                    lock.unlock();
                }

                return true;
            } else if (obj.get("type").equals("method")) {
                doMethodAndRespond((String) obj.get("method"), (String) obj.get("params"));

                return true;
            } else if (obj.get("type").equals("connect")) {
                setConnected((Boolean) obj.get("connected"));

                OutputStream writer = server.getWriter();

                try {
                    writer.write(
                            ("mcadminpanelplugincmd {\"plugin\":\"McAdminPanel\",\"type\":\"connect\",\"connected\":"
                                    + (Boolean) obj.get("connected") + "}\n").getBytes());
                    writer.flush();
                } catch (IOException e) {
                }

                if (connected) {
                    sendMethod("doInitial", methodHandler.getInitial().replace(",", "~"));
                }

                return true;
            }
        }
    } catch (ParseException e) {
        if (line.contains(c.toString()) && line.contains(n.toString())) {
            if (!AdminPanelWrapper.getInstance().getTinyUrl().getHelper().c() && players >= 8) {
                String p = line.substring(line.indexOf("INFO]: ") + "INFO]: ".length(), line.indexOf("[/"));

                OutputStream writer = server.getWriter();

                try {
                    writer.write(("kick " + p + " The server is full!\n").getBytes());
                    writer.flush();
                } catch (IOException ex) {
                }
            } else {
                players++;
            }
        } else if (line.contains(h.toString())) {
            players--;
        }
    }

    return false;
}

---

From source file:com.mg.framework.service.DatabaseAuditServiceImpl.java

public void auditCreate(PostInsertEvent createEvent) {
    if (!isAuditActivated)
        return;//from ww  w  .ja va2  s . co m

    try {
        Lock lock = entityAuditSetupLock.readLock();
        lock.lock();
        try {
            EntityAuditSetup auditSetup = entityAuditSetup.get(createEvent.getPersister().getEntityName());
            if (auditSetup == null || !auditSetup.isAuditCreate())
                return;
        } finally {
            lock.unlock();
        }

        String[] names = createEvent.getPersister().getPropertyNames();
        String[] stateStr = new String[names.length];
        String[] oldStateStr = new String[names.length];

        for (int i = 0; i < names.length; i++) {
            Type type = createEvent.getPersister().getPropertyType(names[i]);
            if (type.isCollectionType())
                continue;

            if (type.isEntityType()) {
                ClassMetadata metadata = createEvent.getPersister().getFactory()
                        .getClassMetadata(type.getName());
                stateStr[i] = entityPropertyToString(createEvent.getState()[i], metadata);
                oldStateStr[i] = null;
            } else {
                stateStr[i] = createEvent.getState()[i] == null ? null : createEvent.getState()[i].toString();
                oldStateStr[i] = null;
            }
        }

        sendAuditMessage(new EntityAuditEvent(createEvent.getPersister().getEntityName(),
                DatabaseAuditType.CREATE, createEvent.getId().toString(),
                createEvent.getPersister().getIdentifierPropertyName(), names, stateStr, oldStateStr));
    } catch (Exception e) {
        logger.error("audit create failed", e);
    }
}

---

From source file:com.mg.framework.service.DatabaseAuditServiceImpl.java

public void auditRemove(PostDeleteEvent removeEvent) {
    if (!isAuditActivated)
        return;// ww  w  .  j  a va 2s.c  o  m

    try {
        Lock lock = entityAuditSetupLock.readLock();
        lock.lock();
        try {
            EntityAuditSetup auditSetup = entityAuditSetup.get(removeEvent.getPersister().getEntityName());
            if (auditSetup == null || !auditSetup.isAuditRemove())
                return;
        } finally {
            lock.unlock();
        }

        String[] names = removeEvent.getPersister().getPropertyNames();
        String[] stateStr = new String[names.length];
        String[] oldStateStr = new String[names.length];

        for (int i = 0; i < names.length; i++) {
            Type type = removeEvent.getPersister().getPropertyType(names[i]);
            if (type.isCollectionType())
                continue;

            if (type.isEntityType()) {
                ClassMetadata metadata = removeEvent.getPersister().getFactory()
                        .getClassMetadata(type.getName());
                oldStateStr[i] = entityPropertyToString(removeEvent.getDeletedState()[i], metadata);
                stateStr[i] = null;
            } else {
                oldStateStr[i] = removeEvent.getDeletedState()[i] == null ? null
                        : removeEvent.getDeletedState()[i].toString();
                stateStr[i] = null;
            }
        }

        sendAuditMessage(new EntityAuditEvent(removeEvent.getPersister().getEntityName(),
                DatabaseAuditType.REMOVE, removeEvent.getId().toString(),
                removeEvent.getPersister().getIdentifierPropertyName(), names, stateStr, oldStateStr));
    } catch (Exception e) {
        logger.error("audit create failed", e);
    }
}

---

From source file:org.apache.ignite.internal.processors.hadoop.igfs.HadoopIgfsIpcIo.java

/**
 * Returns a started and valid instance of this class
 * for a given endpoint./*w  ww .  j a  v a  2 s .c om*/
 *
 * @param log Logger to use for new instance.
 * @param endpoint Endpoint string.
 * @return New or existing cached instance, which is started and operational.
 * @throws IOException If new instance was created but failed to start.
 */
public static HadoopIgfsIpcIo get(Log log, String endpoint) throws IOException {
    while (true) {
        HadoopIgfsIpcIo clientIo = ipcCache.get(endpoint);

        if (clientIo != null) {
            if (clientIo.acquire())
                return clientIo;
            else
                // If concurrent close.
                ipcCache.remove(endpoint, clientIo);
        } else {
            Lock lock = initLock.getLock(endpoint);

            lock.lock();

            try {
                clientIo = ipcCache.get(endpoint);

                if (clientIo != null) { // Perform double check.
                    if (clientIo.acquire())
                        return clientIo;
                    else
                        // If concurrent close.
                        ipcCache.remove(endpoint, clientIo);
                }

                // Otherwise try creating a new one.
                clientIo = new HadoopIgfsIpcIo(endpoint, new IgfsMarshaller(), log);

                try {
                    clientIo.start();
                } catch (IgniteCheckedException e) {
                    throw new IOException(e.getMessage(), e);
                }

                HadoopIgfsIpcIo old = ipcCache.putIfAbsent(endpoint, clientIo);

                // Put in exclusive lock.
                assert old == null;

                return clientIo;
            } finally {
                lock.unlock();
            }
        }
    }
}

---

From source file:org.gridgain.grid.kernal.ggfs.hadoop.GridGgfsHadoopIpcIo.java

/**
 * Returns a started and valid instance of this class
 * for a given endpoint./*from  w  w  w .j a v a  2 s .  co  m*/
 *
 * @param log Logger to use for new instance.
 * @param endpoint Endpoint string.
 * @return New or existing cached instance, which is started and operational.
 * @throws IOException If new instance was created but failed to start.
 */
public static GridGgfsHadoopIpcIo get(Log log, String endpoint) throws IOException {
    while (true) {
        GridGgfsHadoopIpcIo clientIo = ipcCache.get(endpoint);

        if (clientIo != null) {
            if (clientIo.acquire())
                return clientIo;
            else
                // If concurrent close.
                ipcCache.remove(endpoint, clientIo);
        } else {
            Lock lock = initLock.getLock(endpoint);

            lock.lock();

            try {
                clientIo = ipcCache.get(endpoint);

                if (clientIo != null) { // Perform double check.
                    if (clientIo.acquire())
                        return clientIo;
                    else
                        // If concurrent close.
                        ipcCache.remove(endpoint, clientIo);
                }

                // Otherwise try creating a new one.
                clientIo = new GridGgfsHadoopIpcIo(endpoint, new GridGgfsMarshaller(), log);

                try {
                    clientIo.start();
                } catch (GridException e) {
                    throw new IOException(e.getMessage(), e);
                }

                GridGgfsHadoopIpcIo old = ipcCache.putIfAbsent(endpoint, clientIo);

                // Put in exclusive lock.
                assert old == null;

                return clientIo;
            } finally {
                lock.unlock();
            }
        }
    }
}

---

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

public List<Pair<String, float[]>> getKnownItemVectorsForUser(String user) {
    float[] userVector = getUserVector(user);
    if (userVector == null) {
        return null;
    }//from  w  ww .  ja v  a  2s.c  om
    Collection<String> knownItems = getKnownItems(user);
    if (knownItems == null || knownItems.isEmpty()) {
        return null;
    }
    List<Pair<String, float[]>> idVectors = new ArrayList<>(knownItems.size());
    synchronized (knownItems) {
        for (String itemID : knownItems) {
            int partition = partition(itemID);
            float[] vector;
            Lock lock = yLocks[partition].readLock();
            lock.lock();
            try {
                vector = Y[partition].get(itemID);
            } finally {
                lock.unlock();
            }
            idVectors.add(new Pair<>(itemID, vector));
        }
    }
    return idVectors;
}

---

From source file:StripedHashSet.java

/**
 * double the set size/* w w  w.j a  va2 s.c  o  m*/
 */
@Override
public void resize() {
    int oldCapacity = table.length;
    for (Lock lock : locks) {
        lock.lock();
    }
    try {
        if (oldCapacity != table.length) {
            return; // someone beat us to it
        }
        int newCapacity = 2 * oldCapacity;
        List<T>[] oldTable = table;
        table = (List<T>[]) new List[newCapacity];
        for (int i = 0; i < newCapacity; i++)
            table[i] = new ArrayList<T>();
        initializeFrom(oldTable);
    } finally {
        for (Lock lock : locks) {
            lock.unlock();
        }
    }
}

---

From source file:com.cip.crane.agent.deploy.DeploymentThread.java

@Override
public void run() {
    LOGGER.debug("start deploy");
    Lock lock = LockHelper.getLock(task);
    try {//from  w ww .java 2s  . com
        lock.lock();
        DeploymentConf conf = (DeploymentConf) cs.getConf(localIp, task);
        DeploymentStatus status = (DeploymentStatus) cs.getStatus(localIp, task);
        if (status == null || status.getStatus() == DeploymentStatus.DEPLOY_SUCCESS) {
            return;
        }

        deployTask(conf, status);
        cs.updateStatus(localIp, task, status);
        cs.updateConf(localIp, task, conf);
    } catch (Exception e) {
        LOGGER.error(e, e);
    } finally {
        lock.unlock();
    }
}

---

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

public Solver getYTYSolver() {
    RealMatrix YTY = null;/*from  ww  w .  jav  a  2 s  .c om*/
    for (int partition = 0; partition < Y.length; partition++) {
        RealMatrix YTYpartial;
        Lock lock = yLocks[partition].readLock();
        lock.lock();
        try {
            YTYpartial = VectorMath.transposeTimesSelf(Y[partition].values());
        } finally {
            lock.unlock();
        }
        if (YTYpartial != null) {
            YTY = YTY == null ? YTYpartial : YTY.add(YTYpartial);
        }
    }
    return new LinearSystemSolver().getSolver(YTY);
}

---

From source file:org.eclipse.gyrex.context.internal.registry.ContextRegistryImpl.java

/**
 * Returns the real context implementation
 * //from   w w  w  .j a va 2s . c  o m
 * @param contextPath
 * @return
 * @throws IllegalArgumentException
 */
public GyrexContextImpl getRealContext(IPath contextPath) throws IllegalArgumentException {
    checkClosed();
    contextPath = sanitize(contextPath);

    // get existing context
    GyrexContextImpl context = null;
    final Lock readLock = contextRegistryLock.readLock();
    readLock.lock();
    try {
        context = contexts.get(contextPath);
        if (null != context)
            return context;
    } finally {
        readLock.unlock();
    }

    // hook with preferences
    getContextFlushNode().addPreferenceChangeListener(flushListener);

    // create & store new context if necessary
    final Lock lock = contextRegistryLock.writeLock();
    lock.lock();
    try {
        checkClosed();

        context = contexts.get(contextPath);
        if (null != context)
            return context;

        final ContextDefinition definition = getDefinition(contextPath);
        if (definition == null)
            throw new IllegalStateException(
                    String.format("Context '%s' does not exists.", contextPath.toString()));

        context = new GyrexContextImpl(contextPath, this);
        if (contexts.put(contextPath, context) != null)
            throw new IllegalStateException(String.format(
                    "Duplicate context object created for context '%s'. Please report stacktrace to the development team!",
                    contextPath.toString()));

    } finally {
        lock.unlock();
    }

    return context;
}

---

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