Example usage for java.util Timer schedule

Introduction

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

Prototype

public void schedule(TimerTask task, Date firstTime, long period) 

Source Link

Document

Schedules the specified task for repeated fixed-delay execution, beginning at the specified time.

Usage

From source file:esg.node.components.notification.ESGNotifier.java

private void performNextNotification() {
    log.trace("launching notification timer");
    long delay = Long.parseLong(props.getProperty("mail.notification.initialDelay"));
    long period = Long.parseLong(props.getProperty("mail.notification.period"));
    log.trace("notification delay: " + delay + " sec");
    log.trace("notification period: " + period + " sec");

    Timer timer = new Timer();
    timer.schedule(new TimerTask() {
        public final void run() {
            //log.trace("Checking for new notification updates... [busy? "+ESGNotifier.this.isBusy+"]");
            if (!ESGNotifier.this.isBusy) {
                ESGNotifier.this.isBusy = true;
                if (fetchNextUpdates()) {
                    markTime();// w  w  w.  j a va2 s  .  c o  m
                }
                ESGNotifier.this.isBusy = false;
            }
        }
    }, delay * 1000, period * 1000);
}

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From source file:org.pepstock.jem.node.affinity.PolicyAffinityLoader.java

/**
 * Reads <code>jem.affinity.loader.policy</code> properties, passed by
 * configuration file/*w ww.  j  a va  2s.  co  m*/
 * 
 * @see org.pepstock.jem.node.affinity.AffinityLoader#init(java.util.Properties)
 */
@Override
public final void init(Properties properties) {
    String fileName = properties.getProperty(POLICY_FILENAME_KEY);
    if (fileName != null) {
        scriptFile = new File(fileName);
        if (scriptFile.exists()) {
            Main.JOB_LIFECYCLE_LISTENERS_SYSTEM.addListener(JobLifecycleListener.class, this);
            FileAlterationObserver observer = new FileAlterationObserver(scriptFile.getParent());
            FileAlterationMonitor monitor = new FileAlterationMonitor(POLLING_INTERVAL);
            observer.addListener(this);
            monitor.addObserver(observer);
            try {
                monitor.start();
            } catch (Exception e) {
                // debug
                LogAppl.getInstance().debug(e.getMessage(), e);
            }
            String className = FilenameUtils.getExtension(this.getClass().getName());
            Timer timer = new Timer(className, false);
            timer.schedule(new PeriodicallyAffinitiesReloader(), 5 * TimeUtils.MINUTE, 5 * TimeUtils.MINUTE);
        }
    }
}

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From source file:org.sipfoundry.sipxconfig.admin.BackupPlanTest.java

private void checkTimer(ScheduledDay day, long timerPeriod) {
    BackupPlan plan = new LocalBackupPlan();
    DailyBackupSchedule schedule = new DailyBackupSchedule();
    schedule.setEnabled(true);//from  w w w .  ja  va 2 s.  c  o  m
    schedule.setScheduledDay(day);
    plan.addSchedule(schedule);
    TimerTask task = plan.getTask("bin");

    IMocksControl timerControl = EasyMock.createStrictControl();
    Timer timer = timerControl.createMock(Timer.class);

    Date d = schedule.getTimerDate();
    assertTrue(d.getTime() > System.currentTimeMillis()); // must be scheduled in the future
    timer.schedule(task, d, timerPeriod);
    timerControl.replay();

    plan.schedule(timer, task);

    timerControl.verify();
}

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From source file:uk.ac.imperial.presage2.core.cli.run.ExecutorManager.java

@Override
public void run() {
    int poolSize = 0;
    for (SimulationExecutor exe : executors) {
        poolSize += exe.maxConcurrent();
    }//  ww  w  .  j  a v  a  2s  .  com
    int queueSize = queue.size();
    if (queue.contains(0L)) {
        queueSize--;
    }
    logger.info("Starting with " + queueSize + " simulations in the queue and " + executors.size()
            + " executors. Pool size is " + poolSize);
    startTime = System.currentTimeMillis();

    // Checks every second and notifies if there are executors available.
    Timer executorChecker = new Timer(true);
    executorChecker.schedule(new TimerTask() {
        @Override
        public void run() {
            synchronized (ExecutorManager.this) {
                if (getNextExecutor() != null)
                    ExecutorManager.this.notifyAll();
            }
        }
    }, 1000, 1000);

    while (true) {
        try {
            // take head of queue / wait for a queue head
            long simId = queue.take();

            // simId of 0 means end of queue, break from thread if we see it
            // and the queue is empty. Otherwise push it to the end of the
            // queue and continue.
            if (simId == 0) {
                if (queue.size() == 0)
                    break;
                else {
                    if (queue.peek() != 0)
                        queue.offer(0L);
                    continue;
                }
            }

            // get next executor / wait for executor
            synchronized (this) {
                SimulationExecutor exe;
                while ((exe = getNextExecutor()) == null) {
                    logger.info("No Executors available, waiting.");
                    logStatus();
                    wait();
                }

                try {
                    logger.info("Submitting simulation " + simId + " to executor: " + exe.toString());
                    exe.run(simId);
                    submittedCount++;
                } catch (InsufficientResourcesException e) {
                    queue.offer(simId);
                }
            }
        } catch (InterruptedException e1) {
        }
    }

    logger.debug("No more simulations to submit, waiting for executors to finish.");
    // wait for executors to finish
    for (SimulationExecutor exe : executors) {
        synchronized (this) {
            while (exe.running() > 0) {
                try {
                    logger.debug("Waiting for executor to finish: " + exe.toString());
                    wait();
                } catch (InterruptedException e) {
                }
            }
        }
    }
    logStatus();
    logger.info("ExecutorManager shutting down.");
}

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From source file:com.spend.spendService.SearchText.java

private void Search() {
    try {//  ww w .  ja  v a  2  s .c  om
        TimerTask timertask = new TimerTask() {
            public void run() {
                try {
                    String[] seList = getSearchEngineNamesArray();
                    /* get search queries from keywords table */
                    PreparedStatement psmt = con.prepareStatement("SELECT searchKeyword FROM keywords");
                    ResultSet rs = psmt.executeQuery();
                    while (rs.next()) {
                        searchQuery = rs.getString("searchKeyword");
                        /* insert search queries into searchqueue table */
                        for (Object se : seList) {
                            PreparedStatement psmt1 = con.prepareStatement(
                                    "INSERT INTO searchqueue(searchText,disabled,searchEngineName) VALUES(?,0,?);");
                            psmt1.setString(1, searchQuery);
                            psmt1.setString(2, se.toString());
                            psmt1.executeUpdate();
                            psmt1.close();
                        }
                    }
                } catch (Exception ex) {
                    System.out.println("SearchText.java timertask run function SQL ERROR " + ex.getMessage());
                }
            }
        };
        Timer timer = new Timer();
        DateFormat dateformat = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
        Date date = dateformat.parse("20-07-2017 00:00:00"); // set time and date
        timer.schedule(timertask, date, 1000 * 60 * 60 * 24); // for 24 hour 1000*60*60*24
    } catch (Exception ex) {
        System.out.println("SearchText.java Search function ERROR " + ex.getMessage());
    }
}

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From source file:idgs.client.TcpClientPool.java

private void loadClientConfig() {
    log.debug(cfg.toString());/*from   www. ja  v a  2 s  .co  m*/
    init();
    Timer timer = new Timer();
    timer.schedule(new TimerTask() {
        @Override
        public void run() {
            int poolSize = -1;
            if (running.get() && (poolSize = size()) <= 0) {
                log.warn(
                        "no available client to use, will auto create 2 multiples clients of config pool size");
                newConnection(cfg.getPoolSize() * loadFactor);
                poolSize = size();
                log.info("new pool size: " + poolSize);
            }
        }
    }, 5000, 3000);
}

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From source file:dk.netarkivet.wayback.aggregator.AggregationWorker.java

/**
 * Starts the aggregation task. Only allowed to be called once to avoid aggregation race conditions.
 *//*from  w  ww .j a  v a2 s  .co m*/
private void startAggregationThread() {
    if (aggregatorTask == null) {
        aggregatorTask = new TimerTask() {
            @Override
            public void run() {
                runAggregation();
            }
        };
        Timer aggregatorThreadTimer = new Timer("AggregatorThread");
        aggregatorThreadTimer.schedule(aggregatorTask, 0,
                Settings.getLong(WaybackSettings.WAYBACK_AGGREGATOR_AGGREGATION_INTERVAL));
    } else {
        throw new IllegalStateException("An attempt has been made to start a second aggregation job");
    }
}

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From source file:org.apache.eagle.alert.engine.sorter.StreamSortHandlerTest.java

public void testWithTimerLock() throws InterruptedException {
    Timer timer = new Timer();
    List<Long> collected = new ArrayList<>();
    timer.schedule(new TimerTask() {
        @Override/* www .  j  a v  a2s  . c  o  m*/
        public void run() {
            synchronized (collected) {
                LOG.info("Ticking {}",
                        DateTimeUtil.millisecondsToHumanDateWithMilliseconds(System.currentTimeMillis()));
                collected.add(System.currentTimeMillis());
                try {
                    Thread.sleep(5000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    }, 0, 100);
}

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From source file:de.xirp.io.comm.lowlevel.AbstractStreamCommunicationInterface.java

/**
 * Sends data periodically.//from  w w w  .j  av a 2  s.c  o  m
 * 
 * @param name
 *            the name to use for the send timer
 * @param time
 *            the time interval in milliseconds between two sends
 * @param data
 *            the data to send
 * @throws InvalidNameException
 *             if the name is already in use
 */
public void sendPeriodically(String name, int time, byte[] data) throws InvalidNameException {

    if (periodicSenders.get(name) != null) {
        throw new InvalidNameException(
                I18n.getString("AbstractCommunication.log.alreadyExcecutingThread") + name); //$NON-NLS-1$
    }

    Timer timer = new Timer(name);
    timer.schedule(getSendPeriodicTask(data), 0, time);
    periodicSenders.put(name, timer);
}

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From source file:com.example.hasan.sunshine.ForecastFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    // The ArrayAdapter will take data from a source and
    // use it to populate the ListView it's attached to.
    mForecastAdapter = new ArrayAdapter<String>(getActivity(), // The current context (this activity)
            R.layout.list_item_forecast, // The name of the layout ID.
            R.id.list_item_forecast_textview, // The ID of the textview to populate.
            new ArrayList<String>());

    View rootView = inflater.inflate(R.layout.fragment_main, container, false);

    // Get a reference to the ListView, and attach this adapter to it.
    ListView listView = (ListView) rootView.findViewById(R.id.listview_forecast);
    listView.setAdapter(mForecastAdapter);
    /*listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            //from  w w w. j  a va2 s  .  c om
    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
        String forecast = mForecastAdapter.getItem(position);
        Intent intent = new Intent(getActivity(), DetailActivity.class)
                .putExtra(Intent.EXTRA_TEXT, forecast);
        startActivity(intent);
    }
    });*/

    WeatherTimerTask myTask = new WeatherTimerTask();
    Timer myTimer = new Timer();
    myTimer.schedule(myTask, 10000, 300000);

    return rootView;
}

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