Example usage for java.lang Thread setPriority

Introduction

In this page you can find the example usage for java.lang Thread setPriority.

Prototype

public final void setPriority(int newPriority) 

Source Link

Document

Changes the priority of this thread.

Usage

From source file:de.juwimm.cms.content.modules.ModuleFactoryStandardImpl.java

public void reconfigureModules(Hashtable<String, Element> htModuleDcfNameDcfElement) {
    Collection coll = this.htModules.values();
    Iterator it = coll.iterator();
    while (it.hasNext()) {
        Module module = (Module) it.next();
        Thread t = new Thread(Thread.currentThread().getThreadGroup(),
                new ReconfigureModuleRunnable(module, htModuleDcfNameDcfElement, htInitialContent));
        t.setPriority(Thread.NORM_PRIORITY);
        t.setName("ReconfigureModuleRunnable");
        t.start();//from   w  w  w  .j  av a 2s  .  c  om
    }
}

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From source file:org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexProviderService.java

private ExecutorService createExecutor() {
    ThreadPoolExecutor executor = new ThreadPoolExecutor(0, 5, 60L, TimeUnit.SECONDS,
            new LinkedBlockingQueue<Runnable>(), new ThreadFactory() {
                private final AtomicInteger counter = new AtomicInteger();
                private final Thread.UncaughtExceptionHandler handler = new Thread.UncaughtExceptionHandler() {
                    @Override//from   w w  w  . ja v a2s  .  com
                    public void uncaughtException(Thread t, Throwable e) {
                        log.warn("Error occurred in asynchronous processing ", e);
                    }
                };

                @Override
                public Thread newThread(@Nonnull Runnable r) {
                    Thread thread = new Thread(r, createName());
                    thread.setDaemon(true);
                    thread.setPriority(Thread.MIN_PRIORITY);
                    thread.setUncaughtExceptionHandler(handler);
                    return thread;
                }

                private String createName() {
                    return "oak-lucene-" + counter.getAndIncrement();
                }
            });
    executor.setKeepAliveTime(1, TimeUnit.MINUTES);
    executor.allowCoreThreadTimeOut(true);
    return executor;
}

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From source file:de.csw.linkgenerator.plugin.lucene.IndexRebuilder.java

public synchronized int startRebuildIndex(XWikiContext context) {
    if (rebuildInProgress) {
        LOG.warn("Cannot launch rebuild because a build is in progress");
        return LucenePluginApi.REBUILD_IN_PROGRESS;
    } else {//from w  w w.j  av  a 2  s  .  c  o  m
        this.rebuildInProgress = true;
        this.context = context;
        Thread indexRebuilderThread = new Thread(this, "Lucene Index Rebuilder");
        // The JVM should be allowed to shutdown while this thread is running
        indexRebuilderThread.setDaemon(true);
        // Client requests are more important than indexing
        indexRebuilderThread.setPriority(3);
        // Finally, start the rebuild in the background
        indexRebuilderThread.start();
        // Too bad that now we can't tell how many items are there to be indexed...
        return 0;
    }
}

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From source file:feedsplugin.FeedsPlugin.java

void updateFeeds() {
    Thread thread = new Thread("Update feeds") {
        @Override/*from   www. j ava  2s  .c  om*/
        public void run() {
            updateFeedsInternal();
        }
    };
    thread.setPriority(Thread.MIN_PRIORITY);
    thread.start();
}

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From source file:org.m2x.rssreader.service.FetcherService.java

private int refreshFeeds() {
    ContentResolver cr = getContentResolver();
    final Cursor cursor = cr.query(FeedColumns.CONTENT_URI, FeedColumns.PROJECTION_ID, null, null, null);
    int nbFeed = cursor.getCount();

    ExecutorService executor = Executors.newFixedThreadPool(THREAD_NUMBER, new ThreadFactory() {
        @Override//  ww w.  ja  va 2 s  . c  o  m
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setPriority(Thread.MIN_PRIORITY);
            return t;
        }
    });

    CompletionService<Integer> completionService = new ExecutorCompletionService<Integer>(executor);
    while (cursor.moveToNext()) {
        final String feedId = cursor.getString(0);
        completionService.submit(new Callable<Integer>() {
            @Override
            public Integer call() {
                int result = 0;
                try {
                    result = refreshFeed(feedId);
                } catch (Exception ignored) {
                }
                return result;
            }
        });
    }
    cursor.close();

    int globalResult = 0;
    for (int i = 0; i < nbFeed; i++) {
        try {
            Future<Integer> f = completionService.take();
            globalResult += f.get();
        } catch (Exception ignored) {
        }
    }

    executor.shutdownNow(); // To purge all threads

    return globalResult;
}

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From source file:com.opendoorlogistics.core.gis.map.background.MapsforgeTileFactory.java

MapsforgeTileFactory(TileFactoryInfo info, String xmlRenderThemeFilename, MapDataStore mapDatabase,
        FadeConfig fadeColour) {/*from   w  w  w. ja va 2  s .c  o  m*/
    super(info);
    this.fadeColour = fadeColour;
    this.mapDatabase = mapDatabase;

    zoomLevelConverter = new ZoomLevelConverter(info);
    databaseRenderer = new DatabaseRenderer(mapDatabase, AwtGraphicFactory.INSTANCE,
            createDummyTileCacheForMapsforgeLabelPlacementAlgorithm());
    renderTheme = getRenderTheme(xmlRenderThemeFilename);

    model = new DisplayModel();
    model.setFixedTileSize(TILE_SIZE);
    model.setBackgroundColor(backgroundMapColour().getRGB());

    // use single thread at the moment as DatabaseRenderer is probably single threaded
    service = Executors.newFixedThreadPool(1, new ThreadFactory() {
        private int count = 0;

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r, "mapsforge-tile-pool-" + count++);
            t.setPriority(Thread.MIN_PRIORITY);
            t.setDaemon(true);
            return t;
        }
    });
}

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From source file:com.nesscomputing.syslog4j.impl.AbstractSyslog.java

public Thread createWriterThread(AbstractSyslogWriter syslogWriter) {
    Thread newWriterThread = new Thread(syslogWriter);
    newWriterThread.setName("SyslogWriter: " + getProtocol());
    newWriterThread.setDaemon(syslogConfig.isUseDaemonThread());
    if (syslogConfig.getThreadPriority() > -1) {
        newWriterThread.setPriority(syslogConfig.getThreadPriority());
    }//  ww  w  . ja va2  s .c  om
    syslogWriter.setThread(newWriterThread);
    newWriterThread.start();

    return newWriterThread;
}

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From source file:org.apache.hyracks.control.nc.NodeControllerService.java

@Override
public void start() throws Exception {
    LOGGER.log(Level.INFO, "Starting NodeControllerService");
    ipc.start();//from  w ww. ja  v  a  2 s. c  o m
    netManager.start();

    startApplication();
    init();

    datasetNetworkManager.start();
    if (messagingNetManager != null) {
        messagingNetManager.start();
    }
    IIPCHandle ccIPCHandle = ipc.getHandle(new InetSocketAddress(ncConfig.ccHost, ncConfig.ccPort),
            ncConfig.retries);
    this.ccs = new ClusterControllerRemoteProxy(ccIPCHandle);
    HeartbeatSchema.GarbageCollectorInfo[] gcInfos = new HeartbeatSchema.GarbageCollectorInfo[gcMXBeans.size()];
    for (int i = 0; i < gcInfos.length; ++i) {
        gcInfos[i] = new HeartbeatSchema.GarbageCollectorInfo(gcMXBeans.get(i).getName());
    }
    HeartbeatSchema hbSchema = new HeartbeatSchema(gcInfos);
    // Use "public" versions of network addresses and ports
    NetworkAddress datasetAddress = datasetNetworkManager.getPublicNetworkAddress();
    NetworkAddress netAddress = netManager.getPublicNetworkAddress();
    NetworkAddress meesagingPort = messagingNetManager != null ? messagingNetManager.getPublicNetworkAddress()
            : null;
    ccs.registerNode(new NodeRegistration(ipc.getSocketAddress(), id, ncConfig, netAddress, datasetAddress,
            osMXBean.getName(), osMXBean.getArch(), osMXBean.getVersion(), osMXBean.getAvailableProcessors(),
            runtimeMXBean.getVmName(), runtimeMXBean.getVmVersion(), runtimeMXBean.getVmVendor(),
            runtimeMXBean.getClassPath(), runtimeMXBean.getLibraryPath(), runtimeMXBean.getBootClassPath(),
            runtimeMXBean.getInputArguments(), runtimeMXBean.getSystemProperties(), hbSchema, meesagingPort,
            PidHelper.getPid()));

    synchronized (this) {
        while (registrationPending) {
            wait();
        }
    }
    if (registrationException != null) {
        throw registrationException;
    }
    appCtx.setDistributedState(nodeParameters.getDistributedState());

    workQueue.start();

    heartbeatTask = new HeartbeatTask(ccs);

    // Use reflection to set the priority of the timer thread.
    Field threadField = timer.getClass().getDeclaredField("thread");
    threadField.setAccessible(true);
    Thread timerThread = (Thread) threadField.get(timer); // The internal timer thread of the Timer object.
    timerThread.setPriority(Thread.MAX_PRIORITY);
    // Schedule heartbeat generator.
    timer.schedule(heartbeatTask, 0, nodeParameters.getHeartbeatPeriod());

    if (nodeParameters.getProfileDumpPeriod() > 0) {
        // Schedule profile dump generator.
        timer.schedule(new ProfileDumpTask(ccs), 0, nodeParameters.getProfileDumpPeriod());
    }

    LOGGER.log(Level.INFO, "Started NodeControllerService");
    if (ncAppEntryPoint != null) {
        ncAppEntryPoint.notifyStartupComplete();
    }
}

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From source file:org.jumpmind.symmetric.service.impl.PushService.java

public void start() {
    nodeChannelExtractForPushWorker = (ThreadPoolExecutor) Executors.newCachedThreadPool(new ThreadFactory() {
        final AtomicInteger threadNumber = new AtomicInteger(1);
        final String namePrefix = parameterService.getEngineName().toLowerCase() + "-extract-for-push-";

        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName(namePrefix + threadNumber.getAndIncrement());
            t.setDaemon(false);/*from ww w .  ja v a2  s .  com*/
            if (t.getPriority() != Thread.NORM_PRIORITY) {
                t.setPriority(Thread.NORM_PRIORITY);
            }
            return t;
        }
    });

    nodeChannelTransportForPushWorker = (ThreadPoolExecutor) Executors.newCachedThreadPool(new ThreadFactory() {
        final AtomicInteger threadNumber = new AtomicInteger(1);
        final String namePrefix = parameterService.getEngineName().toLowerCase() + "-push-";

        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName(namePrefix + threadNumber.getAndIncrement());
            t.setDaemon(false);
            if (t.getPriority() != Thread.NORM_PRIORITY) {
                t.setPriority(Thread.NORM_PRIORITY);
            }
            return t;
        }
    });
}

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From source file:org.apache.cocoon.components.store.impl.StoreJanitorImpl.java

private void doStart() throws Exception {
    this.doRun = true;
    Thread checker = new Thread(this);
    if (getLogger().isDebugEnabled()) {
        getLogger().debug("Intializing checker thread");
    }//from w  ww .j  av a  2  s. c om
    checker.setPriority(getPriority());
    checker.setDaemon(true);
    checker.setName("checker");
    checker.start();
}

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