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

Introduction

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

Prototype

public ReentrantReadWriteLock(boolean fair)

Source Link

Document

Creates a new ReentrantReadWriteLock with the given fairness policy.

Usage

From source file:com.espertech.esper.core.StatementRWLockImpl.java

/**
 * Ctor.//from  ww w . j  a  va 2 s  . c o  m
 * @param name of lock
 * @param isFair true if a fair lock, false if not
 */
public StatementRWLockImpl(String name, boolean isFair) {
    this.name = name;
    ReentrantReadWriteLock lock = new ReentrantReadWriteLock(isFair);
    writeLock = lock.writeLock();
    readLock = lock.readLock();
}

From source file:org.bremersee.objectlock.ReentrantReadWriteLockFactory.java

@Override
public ReentrantReadWriteLock makeObject() throws Exception {
    return new ReentrantReadWriteLock(fair);
}

From source file:com.espertech.esper.core.service.StatementAgentInstanceRWLockImpl.java

/**
 * Ctor./*from  w w  w .  j  a  va  2s.  co  m*/
 * @param name of lock
 * @param isFair true if a fair lock, false if not
 */
public StatementAgentInstanceRWLockImpl(String name, boolean isFair) {
    this.name = name;
    lock = new ReentrantReadWriteLock(isFair);
}

From source file:com.civprod.writerstoolbox.apps.ToolSuite.java

public ToolSuite(boolean addOnly) {
    toolMap = org.apache.commons.collections4.MapUtils.synchronizedMap(new HashMap<>());
    namedTools = org.apache.commons.collections4.MapUtils.synchronizedMap(new HashMap<>());
    this.addOnly = new AtomicBoolean(addOnly);
    this.sealed = new AtomicBoolean(false);
    mParent = null;//from ww  w . j a  v  a2s  .  c  o  m
    myToolMapReadWriteLock = new ReadWriteConfigLock();
    myNamedToolsReadWriteLock = new ReadWriteConfigLock();
    myParentLock = new ReentrantReadWriteLock(false);
}

From source file:io.seldon.clustering.recommender.jdo.JdoClusterFromReferrer.java

public JdoClusterFromReferrer(String client) {
    this.client = client;
    lock = new ReentrantReadWriteLock(true);
    updateClusterMap();/*from   www .j  a  v a 2s  .c o m*/
    startReloadTransientTimer(RELOAD_SECS);
}

From source file:edu.clemson.cs.nestbed.server.util.RemoteObservableImpl.java

public RemoteObservableImpl() throws RemoteException {
    managerLock = new ReentrantReadWriteLock(true);
    readLock = managerLock.readLock();/* w  ww  . ja v  a2  s  .  c o  m*/
    writeLock = managerLock.writeLock();
    observers = new ArrayList<RemoteObserver>();
}

From source file:com.espertech.esper.util.ManagedReadWriteLock.java

/**
 * Ctor.//  ww w  .  ja  v a2 s .  c  om
 * @param name of lock
 * @param isFair true if a fair lock, false if not
 */
public ManagedReadWriteLock(String name, boolean isFair) {
    this.name = name;
    this.lock = new ReentrantReadWriteLock(isFair);
}

From source file:io.seldon.clustering.recommender.jdo.JdoClusterFromReferrer.java

public JdoClusterFromReferrer(String client, int reloadSecs) {
    this.client = client;
    lock = new ReentrantReadWriteLock(true);
    updateClusterMap();// w w w .j a  v  a  2 s .c  o m
    startReloadTransientTimer(reloadSecs);
}

From source file:org.apache.stratos.common.concurrent.locks.ReadWriteLock.java

public ReadWriteLock(String name) {
    this.name = name;
    this.lock = new ReentrantReadWriteLock(true);
    this.threadToLockSetMap = new ConcurrentHashMap<Long, Map<LockType, LockMetadata>>();

    readWriteLockMonitorEnabled = Boolean.getBoolean("read.write.lock.monitor.enabled");
    if (readWriteLockMonitorEnabled) {
        // Schedule read write lock monitor
        readWriteLockMonitorInterval = Integer.getInteger("read.write.lock.monitor.interval", 30000);
        threadPoolSize = Integer.getInteger(READ_WRITE_LOCK_MONITOR_THREAD_POOL_SIZE_KEY, 10);

        ScheduledExecutorService scheduledExecutorService = StratosThreadPool
                .getScheduledExecutorService(READ_WRITE_LOCK_MONITOR_THREAD_POOL, threadPoolSize);
        scheduledExecutorService.scheduleAtFixedRate(new ReadWriteLockMonitor(this),
                readWriteLockMonitorInterval, readWriteLockMonitorInterval, TimeUnit.MILLISECONDS);
        if (log.isDebugEnabled()) {
            log.debug(String.format("Lock monitor scheduled: [lock-name] %s [interval] %d seconds", name,
                    (readWriteLockMonitorInterval / 1000)));
        }/*from  w w  w  .  j  av  a  2  s.com*/
    }
}

From source file:edu.clemson.cs.nestbed.server.management.configuration.MoteTypeManagerImpl.java

private MoteTypeManagerImpl() throws RemoteException {
    super();/*  w w w .  ja va  2s  . c  o m*/

    try {
        managerLock = new ReentrantReadWriteLock(true);
        readLock = managerLock.readLock();
        writeLock = managerLock.writeLock();
        moteTypeAdapter = AdapterFactory.createMoteTypeAdapter(AdapterType.SQL);
        moteTypes = moteTypeAdapter.readMoteTypes();

        log.debug("MoteTypes read:\n" + moteTypes);
    } catch (AdaptationException ex) {
        throw new RemoteException("AdaptationException", ex);
    } catch (Exception ex) {
        String msg = "Exception in MoteTypeManagerImpl";
        log.error(msg, ex);
        throw new RemoteException(msg, ex);
    }
}