Example usage for java.util TimerTask TimerTask

Introduction

In this page you can find the example usage for java.util TimerTask TimerTask.

Prototype

protected TimerTask()

Source Link

Document

Creates a new timer task.

Usage

From source file:ru.asmsoft.p2p.storage.MemoryNodesRepository.java

@PostConstruct
public void init() {

    Cache<String, Node> cache = CacheBuilder.newBuilder()
            .expireAfterAccess(config.getHeartbeatPeriodExpired(), TimeUnit.MILLISECONDS).removalListener(this)
            .build();/*from   w w w .j av a2s  .  com*/
    nodes = cache.asMap();

    // Initialization delay (Heartbeat period * 2)
    new Timer().schedule(new TimerTask() {
        @Override
        public void run() {
            logger.debug("NodesRepository is ready.");
            isInitialised = true;
        }
    }, config.getHeartbeatPeriod() * 2);

}

From source file:fr.calamus.common.db.core.DbCentralFactory.java

protected static void launchInstancesObserver() {
    if (!instancesObserverIsLaunched) {
        Timer timer = new Timer("DbFactory-instancesRemover", true);
        TimerTask task = new TimerTask() {
            @Override/*ww w .jav a  2s  .co  m*/
            public void run() {
                synchronized (instances) {
                    long now = System.currentTimeMillis();
                    List<String> toRemove = new ArrayList<>();
                    for (String id : instances.keySet()) {
                        DbCentralFactory db = instances.get(id);
                        if (id != null && (db == null || now > db.lastUsedTime() + db.cnxTimeOut())) {
                            toRemove.add(id);
                        }
                    }
                    for (String id : toRemove) {
                        DbCentralFactory db = instances.get(id);
                        if (db != null) {
                            db.close();
                        }
                        instances.remove(id);
                    }
                    if (toRemove.size() > 0) {
                        log.debug("removed " + toRemove.size() + " instance(s); remaining " + instances.size());
                    }
                }
            }
        };
        timer.schedule(task, 30000, 10000);
        instancesObserverIsLaunched = true;
    }
}

From source file:dk.netarkivet.harvester.scheduler.JobSupervisor.java

/**
 * <ol>//w  w  w  . j a v  a2 s .  c o m
 * <li> Starts the rescheduling of left over jobs (in a separate thread).
 * <li> Starts the timer for cleaning old jobs. eg. jobs that have been run 
 * longer than {@link HarvesterSettings#JOB_TIMEOUT_TIME}.
 * </ol>
 */
@Override
public void start() {
    Thread thread = new Thread(new Runnable() {
        public void run() {
            rescheduleLeftOverJobs();
        }
    });
    thread.start();

    timer.schedule(new TimerTask() {
        public void run() {
            cleanOldJobs();
        }
    }, Settings.getInt(HarvesterSettings.JOB_TIMEOUT_TIME));
}

From source file:hermes.swing.SwingAppender.java

protected void append(LoggingEvent event) {
    if (!active || !checkEntryConditions()) {
        return;//  w  w  w  .ja  va 2  s  .com
    }

    if (event.getLoggerName().startsWith(filter)) {
        synchronized (cachedRows) {
            cachedRows.add(format.format(new Date(event.timeStamp)) + " " + event.getLevel() + " ["
                    + event.getThreadName() + "] " + event.getLoggerName() + " " + event.getMessage());
        }

        if (timerTask == null) {
            timerTask = new TimerTask() {
                public void run() {
                    updateModel();
                }
            };

            timer.schedule(timerTask, updateInterval, updateInterval);
        }
    }
}

From source file:net.pms.util.TempFileMgr.java

public void schedule() {
    TimerTask task = new TimerTask() {
        @Override//from   w w w.  jav a  2s .  c  om
        public void run() {
            scan();
        }
    };
    Timer t = new Timer();
    t.scheduleAtFixedRate(task, 0, INTERVAL);
}

From source file:net.sf.janos.Janos.java

public void run() {
    Display.setAppName("Janos");
    final SonosController controller = SonosController.getInstance();
    try {//from ww w  . ja  va2 s.  c o m
        SonosControllerShell shell = new SonosControllerShell(new Display(), controller);
        try {
            Timer zonePollerTimer = new Timer("ZonePoller", true);
            TimerTask zonePollerTask = new TimerTask() {

                @Override
                public void run() {
                    controller.searchForDevices();
                    long pollPeriod = Long.parseLong(System.getProperty("net.sf.janos.pollPeriod", "5000"));
                    controller.purgeStaleDevices(pollPeriod * 2);
                }
            };
            long pollPeriod = Long.parseLong(System.getProperty("net.sf.janos.pollPeriod", "5000"));
            zonePollerTimer.scheduleAtFixedRate(zonePollerTask, 0, pollPeriod);
            Thread.sleep(Integer.parseInt(System.getProperty("net.sf.janos.searchTime", "1000")));
        } catch (NumberFormatException e) {
            LogFactory.getLog(Janos.class).warn("Sleep interrupted:", e);
        } catch (InterruptedException e) {
            LogFactory.getLog(Janos.class).warn("Sleep interrupted:", e);
        }
        ApplicationContext.create(controller, shell);
        shell.start();
    } catch (Throwable t) {
        LOG.fatal("Error running Janos", t);
    } finally {
        // attempt to unregister from zone players
        controller.dispose();
    }

}

From source file:org.eclipse.swordfish.core.util.SimpleClient.java

public void start() {
    checkConstraints();// w  ww. ja v  a2s  . com
    Timer timer = new Timer();
    timer.schedule(new TimerTask() {
        @Override
        public void run() {
            try {
                sendRequestSynchronously();
            } catch (Exception ex) {
                throw new RuntimeException(ex);
            }
        }
    }, delayBeforeSending);

}

From source file:nz.co.senanque.madura.bundle.BundleManagerImpl.java

@Override
public void init() {
    super.init();
    scanServletContext();/*from   w w w .j a  v  a 2  s . c o m*/
    if (getTime() != -1) {
        // we have a timer so launch it now
        TimerTask t = new TimerTask() {

            @Override
            public void run() {
                scan();

            }
        };
        Timer timer = new Timer();
        timer.schedule(t, m_time, m_time);
    } else {
        scan();
    }
}

From source file:com.mtnsat.testcode.StopWatch.java

public void running() {
    split = false;/* w w w. ja v  a 2 s  . c o m*/
    if (timer == null) {
        timer = new Timer(true);
        timer.scheduleAtFixedRate(new TimerTask() {
            public void run() {
                increment();
            }
        }, 100, 100);
    }
}

From source file:turtlekit.viewer.StatesPerSecondCharter.java

/**
 * //from w  ww .jav  a  2 s  . c o m
 */
private void initTimer() {
    stopTimer();
    timer = new java.util.Timer(true);
    timer.scheduleAtFixedRate(new TimerTask() {
        private double last = 0;

        @Override
        public void run() {
            try {
                final double gvt = probe.getPropertyValue();
                final double statesPerSecond = (gvt - last);
                if (logger != null)
                    logger.fine("statesPerSecond =" + statesPerSecond);
                last = gvt;
                SwingUtilities.invokeLater(new Runnable() {// avoiding null pointers on the awt thread
                    @Override
                    public void run() {
                        if (statesPerSecond > 0) {
                            serie.add((int) gvt, statesPerSecond);
                        }
                    }
                });
            } catch (NullPointerException e) {//ugly but avoids e when quiting
            }
        }
    }, 0, getRefreshRate());
}