Example usage for java.lang Thread setDaemon

Introduction

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

Prototype

public final void setDaemon(boolean on)

Source Link

Document

Marks this thread as either a #isDaemon daemon thread or a user thread.

Usage

From source file:JobScheduler.java

private synchronized long runJobs() {
    long minDiff = Long.MAX_VALUE;
    long now = System.currentTimeMillis();

    for (int i = 0; i < jobs.size();) {
        JobNode jn = (JobNode) jobs.elementAt(i);
        if (jn.executeAt.getTime() <= now) {
            if (tp != null) {
                tp.addRequest(jn.job);//w w w.  ja  v a 2  s  .  c  o m
            } else {
                Thread jt = new Thread(jn.job);
                jt.setDaemon(false);
                jt.start();
            }
            if (updateJobNode(jn) == null) {
                jobs.removeElementAt(i);
                dlock.release();
            }
        } else {
            long diff = jn.executeAt.getTime() - now;
            minDiff = Math.min(diff, minDiff);
            i++;
        }
    }
    return minDiff;
}

From source file:com.hellblazer.jackal.configuration.ThreadConfig.java

@Bean(name = "communicationsDispatchers")
@Primary/*from  w ww .jav a2  s  . co m*/
@Autowired
public ExecutorService communicationsDispatchers(Identity partitionIdentity) {
    final int id = partitionIdentity.id;
    return Executors.newCachedThreadPool(new ThreadFactory() {
        int count = 0;

        @Override
        public Thread newThread(Runnable target) {
            Thread t = new Thread(target,
                    String.format("Communications Dispatcher[%s] for node[%s]", count++, id));
            t.setDaemon(true);
            t.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
                @Override
                public void uncaughtException(Thread t, Throwable e) {
                    log.error(String.format("Exception on %s", t), e);
                }
            });
            return t;
        }
    });
}

From source file:com.taobao.pushit.server.listener.ConnectionNumberListener.java

public ConnectionNumberListener(int connThreshold, int ipCountThreshold, int ipCheckTaskInterval) {
    this.connThreshold = connThreshold;
    this.ipCountThreshold = ipCountThreshold;
    this.ipCheckTaskInterval = ipCheckTaskInterval;
    this.scheduler = Executors.newSingleThreadScheduledExecutor(new ThreadFactory() {

        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("connection num control thread");
            t.setDaemon(true);
            return t;
        }/*from  w  w  w .ja  va2  s. c om*/
    });

    this.scheduler.scheduleAtFixedRate(new Runnable() {

        public void run() {
            int ipCount = ConnectionNumberListener.this.connectionIpNumMap.size();
            if (ipCount >= ConnectionNumberListener.this.ipCountThreshold) {
                log.warn("IP, IP, IP=" + ipCount + ", ="
                        + ConnectionNumberListener.this.ipCountThreshold);
                isOverflow = true;
            } else {
                isOverflow = false;
            }
        }

    }, this.ipCheckTaskInterval, this.ipCheckTaskInterval, TimeUnit.SECONDS);
}

From source file:org.eclipse.virgo.ide.runtime.internal.core.ServerStatusPingThread.java

/**
 * Creates a new {@link ServerStatusPingThread}
 *//*w w  w .ja  v  a 2 s  .co m*/
protected ServerStatusPingThread(ServerBehaviour behaviour) {
    this.behaviour = behaviour;
    Thread t = new Thread("SpringSource dm Server Ping Thread") {
        @Override
        public void run() {
            ping();
        }
    };
    t.setDaemon(true);
    t.start();
}

From source file:dk.statsbiblioteket.util.watch.FolderWatcher.java

/**
 * Create a watcher for the given watchedFolder. The watcher checks for
 * changes, fires an event if any deletions happens, then sleeps for
 * pollInterval seconds before the next check. If an addition happens,
 * the watcher collects the file sizes, waits {@link #grace} ms, then
 * fires an event if the sizes haven't changes, else waits again.
 *
 * @param watchedFolder the folder to watch for changes.
 * @param pollInterval  how often, in seconds, to check for changes.
 * @param grace         the grace period for addition notifications.
 * @throws IOException if the content of the watched folder could not be
 *                     determined.//from   w  w  w  . j  a va 2s  . com
 */
public FolderWatcher(File watchedFolder, int pollInterval, int grace) throws IOException {
    log.debug("Creating watcher for folder '" + watchedFolder + "' with an interval of " + pollInterval
            + " seconds and a " + "grace period of " + grace + "ms");
    this.watchedFolder = watchedFolder;
    this.pollInterval = pollInterval;
    this.grace = grace;
    oldContent = getContent();
    Thread thread = new Thread(this);
    thread.setDaemon(true); // Allow the JVm to exit
    thread.start();
}

From source file:net.bluehornreader.service.FeedManagerService.java

/**
 * Just creates the leader elector and lets it take over
 *//*from   ww  w .j  ava  2s . com*/
@Override
public void run() {
    LOG.info("Starting LeaderElector ...");
    leaderElector = new LeaderElector(Config.getConfig().feedManagerTicksBeforeBecomingLeader,
            Config.getConfig().feedManagerTickInterval);
    Thread t = new Thread(leaderElector);
    t.setDaemon(true);
    t.setName("FeedManagerService/" + IP);
    t.start();
    try {
        t.join();
    } catch (InterruptedException e) {
        LOG.error("Exception running LeaderElector", e);
    }
    LOG.info(String.format("FeedManagerService %s exiting", IP));
}

From source file:android.apn.androidpn.server.xmpp.XmppServer.java

/**
 * Stops the server./* ww w  .j  a  v a 2  s .c  o m*/
 */
public void stop() {
    shutdownServer();
    Thread shutdownThread = new ShutdownThread();
    shutdownThread.setDaemon(true);
    shutdownThread.start();
}

From source file:$.ControllerService.java

public void setMQTTConnector(final MQTTConnector MQTTConnector) {
        Runnable connector = new Runnable() {
            public void run() {
                if (waitForServerStartup()) {
                    return;
                }/*from w w w.j  ava 2s  .  c om*/
                ControllerService.this.mqttConnector = MQTTConnector;
                if (MqttConfig.getInstance().isEnabled()) {
                    mqttConnector.connect();
                } else {
                    log.warn("MQTT disabled in 'devicemgt-config.xml'. Hence, MQTTConnector" + " not started.");
                }
            }
        };
        Thread connectorThread = new Thread(connector);
        connectorThread.setDaemon(true);
        connectorThread.start();
    }

From source file:$.MQTTConnector.java

/**
     * This method will initialize connection with message broker
     *//*  ww w  .j a v  a  2s .  co m*/
    @Override
    public void connect() {
        Runnable connector = new Runnable() {
            public void run() {
                while (!isConnected()) {
                    try {
                        String brokerUsername = MqttConfig.getInstance().getMqttQueueUsername();
                        String brokerPassword = MqttConfig.getInstance().getMqttQueuePassword();
                        setUsernameAndPassword(brokerUsername, brokerPassword);
                        connectToQueue();
                    } catch (TransportHandlerException e) {
                        log.error("Connection to MQTT Broker at: " + mqttBrokerEndPoint + " failed", e);
                        try {
                            Thread.sleep(timeoutInterval);
                        } catch (InterruptedException ex) {
                            log.error("MQTT-Connector: Thread Sleep Interrupt Exception.", ex);
                        }
                    }
                    try {
                        subscribeToQueue();
                    } catch (TransportHandlerException e) {
                        log.warn("Subscription to MQTT Broker at: " + mqttBrokerEndPoint + " failed", e);
                    }
                }
            }
        };
        Thread connectorThread = new Thread(connector);
        connectorThread.setDaemon(true);
        connectorThread.start();
    }

From source file:$.MQTTConnector.java

/**
     * connection with message broker can be terminated
     *//*from  w  w  w .  j  av  a 2s  . c  o  m*/
    @Override
    public void disconnect() {
        Runnable stopConnection = new Runnable() {
            public void run() {
                while (isConnected()) {
                    try {
                        closeConnection();
                    } catch (MqttException e) {
                        if (log.isDebugEnabled()) {
                            log.warn("Unable to 'STOP' MQTT connection at broker at: " + mqttBrokerEndPoint);
                        }
                        try {
                            Thread.sleep(timeoutInterval);
                        } catch (InterruptedException e1) {
                            log.error("MQTT-Terminator: Thread Sleep Interrupt Exception");
                        }
                    }
                }
            }
        };
        Thread terminatorThread = new Thread(stopConnection);
        terminatorThread.setDaemon(true);
        terminatorThread.start();
    }