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()

Source Link

Document

Creates a new ReentrantReadWriteLock with default (nonfair) ordering properties.

Usage

From source file:org.alfresco.repo.content.metadata.MetadataExtracterRegistry.java

public MetadataExtracterRegistry() {
    // initialise lists
    extracters = new ArrayList<MetadataExtracter>(10);
    extracterCache = new HashMap<String, List<MetadataExtracter>>(17);
    embedderCache = new HashMap<String, List<MetadataEmbedder>>(17);

    // create lock objects for access to the cache
    ReadWriteLock extractionCacheLock = new ReentrantReadWriteLock();
    extracterCacheReadLock = extractionCacheLock.readLock();
    extracterCacheWriteLock = extractionCacheLock.writeLock();
}

From source file:org.apache.tajo.master.QueryInProgress.java

public QueryInProgress(TajoMaster.MasterContext masterContext, Session session, QueryContext queryContext,
        QueryId queryId, String sql, String jsonExpr, LogicalRootNode plan) {

    this.masterContext = masterContext;
    this.session = session;
    this.queryId = queryId;
    this.plan = plan;

    queryInfo = new QueryInfo(queryId, queryContext, sql, jsonExpr);
    queryInfo.setStartTime(System.currentTimeMillis());

    rpcParams = RpcParameterFactory.get(masterContext.getConf());

    ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
    this.readLock = readWriteLock.readLock();
    this.writeLock = readWriteLock.writeLock();
}

From source file:com.microsoft.tfs.core.clients.framework.location.internal.LocationCacheManager.java

public LocationCacheManager(final PersistenceStore cacheStore, GUID serverGuid, final URI serverUrl) {
    final ServerMap serverMap = ServerMap.load(cacheStore);

    /*//w ww  .  j a va2 s  .  c  o  m
     * If the given server GUID was empty, try to look it up in the
     * registration server map using the given URI.
     */
    if (serverGuid.equals(GUID.EMPTY)) {
        final String instanceID = serverMap.getServerID(serverUrl.toString());

        if (instanceID != null) {
            serverGuid = new GUID(instanceID);
        }
    }

    cacheAvailable = serverGuid.equals(GUID.EMPTY) ? false : true;
    cacheLocallyFresh = false;

    accessLock = new ReentrantReadWriteLock();
    lastChangeID = -1;

    mapAccessMappings = new HashMap<String, AccessMapping>();
    mapServices = new HashMap<String, Map<GUID, ServiceDefinition>>();
    connectionBaseUri = serverUrl;

    // Get the store for the location cache.
    if (cacheAvailable) {
        if (serverGuid != null) {
            final String directoryName = serverGuid.getGUIDString().toLowerCase() + "_" //$NON-NLS-1$
                    + connectionBaseUri.getScheme();
            locationDiskStore = cacheStore.getChildStore(CACHE_DIRECTORY_NAME).getChildStore(directoryName);
        }
    }
}

From source file:com.eatthepath.gtfs.TransitSystem.java

protected TransitSystem(final String id, final FeedInfo feedInfo, final Map<String, Agency> agenciesById,
        final Map<String, Stop> stopsById, final Map<String, Route> routesById,
        final Map<String, ServiceSchedule> serviceSchedulesById, final List<URL> realtimeUrls) {
    this.id = id;

    this.feedInfo = feedInfo;

    this.agenciesById = agenciesById;
    this.stopsById = stopsById;
    this.routesById = routesById;
    this.serviceSchedulesById = serviceSchedulesById;

    this.realtimeUrls = realtimeUrls;

    final ArrayList<Stop> freestandingStops = new ArrayList<Stop>();

    for (final Stop stop : this.stopsById.values()) {
        if (stop.getParentStation() == null) {
            freestandingStops.add(stop);
        }/*from  w w w .  j a  v  a 2 s .  co m*/
    }

    this.routesByStop = new HashMap<Stop, List<Route>>();
    this.tripsById = new HashMap<String, Trip>();

    for (final Route route : this.routesById.values()) {
        for (final Stop stop : route.getStopsServed()) {
            if (!this.routesByStop.containsKey(stop)) {
                this.routesByStop.put(stop, new ArrayList<Route>());
            }

            this.routesByStop.get(stop).add(route);

            for (final Trip trip : route.getTrips()) {
                this.tripsById.put(trip.getId(), trip);
            }
        }
    }

    this.stopTree = new VPTree<Stop>(freestandingStops);

    this.realtimeDataLock = new ReentrantReadWriteLock();

    this.realtimeFeedTimestamps = new HashMap<URL, Long>();

    this.vehiclesById = new HashMap<String, Vehicle>();
    this.vehiclesByRoute = new HashMap<Route, List<Vehicle>>();
    this.vehiclesByTrip = new HashMap<Trip, List<Vehicle>>();
}

From source file:org.videolan.vlc.MediaLibrary.java

private MediaLibrary() {
    mInstance = this;
    mItemList = new ArrayList<MediaWrapper>();
    mUpdateHandler = new ArrayList<Handler>();
    mItemListLock = new ReentrantReadWriteLock();
}

From source file:io.github.mkjung.ivi.media.MediaLibrary.java

private MediaLibrary() {
    mInstance = this;
    mItemList = new ArrayList<>();
    mUpdateHandler = new ArrayList<>();
    mItemListLock = new ReentrantReadWriteLock();
}

From source file:org.nuxeo.runtime.model.impl.ComponentPersistence.java

public ComponentPersistence(OSGiRuntimeService runtime) {
    this.runtime = runtime;
    root = new File(Environment.getDefault().getData(), "components");
    fileLock = new ReentrantReadWriteLock();
    sysrc = runtime.getContext();//from  w  ww  .  ja  v a 2 s.  c  o  m
    persistedComponents = Collections.synchronizedSet(new HashSet<>());
}

From source file:org.darkware.wpman.security.ChecksumDatabase.java

/**
 * Create a new {@code ChecksumDatabase} for files under the declared root and using the
 * given file for saved state./*from   w  ww  .j a  va  2s. c o m*/
 *
 * @param dbFile The file to load and store the database data into.
 * @param root  The highest level directory represented in the database.
 */
public ChecksumDatabase(final Path dbFile, final Path root) {
    super();

    this.root = root;
    this.dbFile = dbFile;
    this.hashes = new ConcurrentSkipListMap<>();
    this.suppressed = new ConcurrentSkipListSet<>();
    this.initialized = new AtomicBoolean(false);
    this.lock = new ReentrantReadWriteLock();

    this.initialize();
}

From source file:org.apache.ambari.server.state.action.ActionImpl.java

public ActionImpl(ActionId id, long startTime) {
    super();//www.  ja  v a  2 s.  com
    this.id = id;
    this.stateMachine = stateMachineFactory.make(this);
    ReadWriteLock rwLock = new ReentrantReadWriteLock();
    this.readLock = rwLock.readLock();
    this.writeLock = rwLock.writeLock();
    this.startTime = startTime;
    this.lastUpdateTime = -1;
    this.completionTime = -1;
}