Example usage for java.util TimerTask TimerTask

List of usage examples for java.util TimerTask TimerTask

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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:Main.java

public static void main(String[] argv) throws Exception {
    int delay = 5000; // delay for 5 sec.
    int period = 1000; // repeat every sec.
    Timer timer = new Timer();

    timer.scheduleAtFixedRate(new TimerTask() {
        public void run() {
            System.out.println("doing");
        }/*w w w . j a v a 2  s  .  c om*/
    }, delay, period);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    Date timeToRun = new Date(System.currentTimeMillis() + numberOfMillisecondsInTheFuture);
    Timer timer = new Timer();

    timer.schedule(new TimerTask() {
        public void run() {
            System.out.println("doing");
        }//from  w ww .  j ava2s .  c om
    }, timeToRun);
}

From source file:Blocked.java

public static void main(String[] args) {
    new Timer(true).schedule(new TimerTask() {
        public void run() {
            System.out.println("Preparing to interrupt");
            blocked.interrupt();//  w  w  w.j  a  va2 s . com
            blocked = null; // to release it
        }
    }, 2000); // run() after 2000 milliseconds
}

From source file:Main.java

public static void main(String args[]) {
    final JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    JButton b = new JButton("Hide for 5");
    ActionListener action = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            frame.setVisible(false);//from w ww. j a v  a 2s.co  m
            TimerTask task = new TimerTask() {
                public void run() {
                    frame.setVisible(true);
                }
            };
            Timer timer = new Timer();
            timer.schedule(task, 5000);
        }
    };
    b.addActionListener(action);
    AncestorListener ancestor = new AncestorListener() {
        public void ancestorAdded(AncestorEvent e) {
            System.out.println("Added");
            dumpInfo(e);
        }

        public void ancestorMoved(AncestorEvent e) {
            System.out.println("Moved");
            dumpInfo(e);
        }

        public void ancestorRemoved(AncestorEvent e) {
            System.out.println("Removed");
            dumpInfo(e);
        }

        private void dumpInfo(AncestorEvent e) {
            System.out.println("\tAncestor: " + name(e.getAncestor()));
            System.out.println("\tAncestorParent: " + name(e.getAncestorParent()));
            System.out.println("\tComponent: " + name(e.getComponent()));
        }

        private String name(Container c) {
            return (c == null) ? null : c.getName();
        }
    };
    b.addAncestorListener(ancestor);
    contentPane.add(b, BorderLayout.NORTH);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:CanStop.java

public static void main(String[] args) {
    final CanStop stoppable = new CanStop();
    stoppable.start();/*w w  w  .  j a v a  2  s  .c o m*/
    new Timer(true).schedule(new TimerTask() {
        public void run() {
            System.out.println("Requesting stop");
            stoppable.requestStop();
        }
    }, 500); // run() after 500 milliseconds
}

From source file:example.client.CamelMongoJmsStockClient.java

@SuppressWarnings("resource")
public static void main(final String[] args) throws Exception {
    systemProps = loadProperties();// w w  w. j ava 2  s. co m
    AbstractApplicationContext context = new ClassPathXmlApplicationContext("camel-client.xml");
    ProducerTemplate camelTemplate = context.getBean("camelTemplate", ProducerTemplate.class);
    List<Map<String, Object>> stocks = readJsonsFromMongoDB();
    for (Map<String, Object> stock : stocks) {
        stock.remove("_id");
        stock.remove("Earnings Date");
        camelTemplate.sendBody(String.format("jms:queue:%s", systemProps.getProperty("ticker.queue.name")),
                ExchangePattern.InOnly, stock);
    }
    new Timer().schedule(new TimerTask() {
        @Override
        public void run() {
            Map<String, Object> aRandomStock = stocks.get(RandomUtils.nextInt(0, stocks.size()));
            aRandomStock.put("Price",
                    ((Double) aRandomStock.get("Price")) + RandomUtils.nextFloat(0.1f, 9.99f));
            camelTemplate.sendBody(String.format("jms:queue:%s", systemProps.getProperty("ticker.queue.name")),
                    ExchangePattern.InOnly, aRandomStock);
        }
    }, 1000, 2000);
}

From source file:com.alibaba.rocketmq.example.benchmark.Consumer.java

public static void main(String[] args) throws MQClientException {
    Options options = ServerUtil.buildCommandlineOptions(new Options());
    CommandLine commandLine = ServerUtil.parseCmdLine("benchmarkConsumer", args,
            buildCommandlineOptions(options), new PosixParser());
    if (null == commandLine) {
        System.exit(-1);/*from   w ww . j  a  v a2  s  .c o  m*/
    }

    final String topic = commandLine.hasOption('t') ? commandLine.getOptionValue('t').trim() : "BenchmarkTest";
    final String groupPrefix = commandLine.hasOption('g') ? commandLine.getOptionValue('g').trim()
            : "benchmark_consumer";
    final String isPrefixEnable = commandLine.hasOption('p') ? commandLine.getOptionValue('p').trim() : "true";
    String group = groupPrefix;
    if (Boolean.parseBoolean(isPrefixEnable)) {
        group = groupPrefix + "_" + Long.toString(System.currentTimeMillis() % 100);
    }

    System.out.printf("topic %s group %s prefix %s%n", topic, group, isPrefixEnable);

    final StatsBenchmarkConsumer statsBenchmarkConsumer = new StatsBenchmarkConsumer();

    final Timer timer = new Timer("BenchmarkTimerThread", true);

    final LinkedList<Long[]> snapshotList = new LinkedList<Long[]>();

    timer.scheduleAtFixedRate(new TimerTask() {
        @Override
        public void run() {
            snapshotList.addLast(statsBenchmarkConsumer.createSnapshot());
            if (snapshotList.size() > 10) {
                snapshotList.removeFirst();
            }
        }
    }, 1000, 1000);

    timer.scheduleAtFixedRate(new TimerTask() {
        private void printStats() {
            if (snapshotList.size() >= 10) {
                Long[] begin = snapshotList.getFirst();
                Long[] end = snapshotList.getLast();

                final long consumeTps = (long) (((end[1] - begin[1]) / (double) (end[0] - begin[0])) * 1000L);
                final double averageB2CRT = (end[2] - begin[2]) / (double) (end[1] - begin[1]);
                final double averageS2CRT = (end[3] - begin[3]) / (double) (end[1] - begin[1]);

                System.out.printf(
                        "Consume TPS: %d Average(B2C) RT: %7.3f Average(S2C) RT: %7.3f MAX(B2C) RT: %d MAX(S2C) RT: %d%n",
                        consumeTps, averageB2CRT, averageS2CRT, end[4], end[5]);
            }
        }

        @Override
        public void run() {
            try {
                this.printStats();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }, 10000, 10000);

    DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(group);
    consumer.setInstanceName(Long.toString(System.currentTimeMillis()));

    consumer.subscribe(topic, "*");

    consumer.registerMessageListener(new MessageListenerConcurrently() {
        @Override
        public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                ConsumeConcurrentlyContext context) {
            MessageExt msg = msgs.get(0);
            long now = System.currentTimeMillis();

            statsBenchmarkConsumer.getReceiveMessageTotalCount().incrementAndGet();

            long born2ConsumerRT = now - msg.getBornTimestamp();
            statsBenchmarkConsumer.getBorn2ConsumerTotalRT().addAndGet(born2ConsumerRT);

            long store2ConsumerRT = now - msg.getStoreTimestamp();
            statsBenchmarkConsumer.getStore2ConsumerTotalRT().addAndGet(store2ConsumerRT);

            compareAndSetMax(statsBenchmarkConsumer.getBorn2ConsumerMaxRT(), born2ConsumerRT);

            compareAndSetMax(statsBenchmarkConsumer.getStore2ConsumerMaxRT(), store2ConsumerRT);

            return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
        }
    });

    consumer.start();

    System.out.printf("Consumer Started.%n");
}

From source file:com.alibaba.rocketmq.example.benchmark.Producer.java

public static void main(String[] args) throws MQClientException, UnsupportedEncodingException {

    Options options = ServerUtil.buildCommandlineOptions(new Options());
    CommandLine commandLine = ServerUtil.parseCmdLine("producer", args, buildCommandlineOptions(options),
            new PosixParser());
    if (null == commandLine) {
        System.exit(-1);//from w  w  w  . ja  v  a2s.  c o m
    }

    final int threadCount = commandLine.hasOption('t') ? Integer.parseInt(commandLine.getOptionValue('t')) : 64;
    final int messageSize = commandLine.hasOption('s') ? Integer.parseInt(commandLine.getOptionValue('s'))
            : 128;
    final boolean keyEnable = commandLine.hasOption('k') ? Boolean.parseBoolean(commandLine.getOptionValue('k'))
            : false;

    System.out.printf("threadCount %d messageSize %d keyEnable %s%n", threadCount, messageSize, keyEnable);

    final Logger log = ClientLogger.getLog();

    final Message msg = buildMessage(messageSize);

    final ExecutorService sendThreadPool = Executors.newFixedThreadPool(threadCount);

    final StatsBenchmarkProducer statsBenchmark = new StatsBenchmarkProducer();

    final Timer timer = new Timer("BenchmarkTimerThread", true);

    final LinkedList<Long[]> snapshotList = new LinkedList<Long[]>();

    timer.scheduleAtFixedRate(new TimerTask() {
        @Override
        public void run() {
            snapshotList.addLast(statsBenchmark.createSnapshot());
            if (snapshotList.size() > 10) {
                snapshotList.removeFirst();
            }
        }
    }, 1000, 1000);

    timer.scheduleAtFixedRate(new TimerTask() {
        private void printStats() {
            if (snapshotList.size() >= 10) {
                Long[] begin = snapshotList.getFirst();
                Long[] end = snapshotList.getLast();

                final long sendTps = (long) (((end[3] - begin[3]) / (double) (end[0] - begin[0])) * 1000L);
                final double averageRT = ((end[5] - begin[5]) / (double) (end[3] - begin[3]));

                System.out.printf(
                        "Send TPS: %d Max RT: %d Average RT: %7.3f Send Failed: %d Response Failed: %d%n"//
                , sendTps//
                , statsBenchmark.getSendMessageMaxRT().get()//
                , averageRT//
                , end[2]//
                , end[4]//
                );
            }
        }

        @Override
        public void run() {
            try {
                this.printStats();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }, 10000, 10000);

    final DefaultMQProducer producer = new DefaultMQProducer("benchmark_producer");
    producer.setInstanceName(Long.toString(System.currentTimeMillis()));

    if (commandLine.hasOption('n')) {
        String ns = commandLine.getOptionValue('n');
        producer.setNamesrvAddr(ns);
    }

    producer.setCompressMsgBodyOverHowmuch(Integer.MAX_VALUE);

    producer.start();

    for (int i = 0; i < threadCount; i++) {
        sendThreadPool.execute(new Runnable() {
            @Override
            public void run() {
                while (true) {
                    try {
                        final long beginTimestamp = System.currentTimeMillis();
                        if (keyEnable) {
                            msg.setKeys(String.valueOf(beginTimestamp / 1000));
                        }
                        producer.send(msg);
                        statsBenchmark.getSendRequestSuccessCount().incrementAndGet();
                        statsBenchmark.getReceiveResponseSuccessCount().incrementAndGet();
                        final long currentRT = System.currentTimeMillis() - beginTimestamp;
                        statsBenchmark.getSendMessageSuccessTimeTotal().addAndGet(currentRT);
                        long prevMaxRT = statsBenchmark.getSendMessageMaxRT().get();
                        while (currentRT > prevMaxRT) {
                            boolean updated = statsBenchmark.getSendMessageMaxRT().compareAndSet(prevMaxRT,
                                    currentRT);
                            if (updated)
                                break;

                            prevMaxRT = statsBenchmark.getSendMessageMaxRT().get();
                        }
                    } catch (RemotingException e) {
                        statsBenchmark.getSendRequestFailedCount().incrementAndGet();
                        log.error("[BENCHMARK_PRODUCER] Send Exception", e);

                        try {
                            Thread.sleep(3000);
                        } catch (InterruptedException e1) {
                        }
                    } catch (InterruptedException e) {
                        statsBenchmark.getSendRequestFailedCount().incrementAndGet();
                        try {
                            Thread.sleep(3000);
                        } catch (InterruptedException e1) {
                        }
                    } catch (MQClientException e) {
                        statsBenchmark.getSendRequestFailedCount().incrementAndGet();
                        log.error("[BENCHMARK_PRODUCER] Send Exception", e);
                    } catch (MQBrokerException e) {
                        statsBenchmark.getReceiveResponseFailedCount().incrementAndGet();
                        log.error("[BENCHMARK_PRODUCER] Send Exception", e);
                        try {
                            Thread.sleep(3000);
                        } catch (InterruptedException e1) {
                        }
                    }
                }
            }
        });
    }
}

From source file:com.damon.rocketmq.example.benchmark.Producer.java

public static void main(String[] args) throws MQClientException, UnsupportedEncodingException {

    Options options = ServerUtil.buildCommandlineOptions(new Options());
    CommandLine commandLine = ServerUtil.parseCmdLine("benchmarkProducer", args,
            buildCommandlineOptions(options), new PosixParser());
    if (null == commandLine) {
        System.exit(-1);//from w w  w .  j a  v a  2  s  . c  om
    }

    final String topic = commandLine.hasOption('t') ? commandLine.getOptionValue('t').trim() : "BenchmarkTest";
    final int threadCount = commandLine.hasOption('w') ? Integer.parseInt(commandLine.getOptionValue('w')) : 64;
    final int messageSize = commandLine.hasOption('s') ? Integer.parseInt(commandLine.getOptionValue('s'))
            : 128;
    final boolean keyEnable = commandLine.hasOption('k')
            && Boolean.parseBoolean(commandLine.getOptionValue('k'));

    System.out.printf("topic %s threadCount %d messageSize %d keyEnable %s%n", topic, threadCount, messageSize,
            keyEnable);

    final Logger log = ClientLogger.getLog();

    final Message msg = buildMessage(messageSize, topic);

    final ExecutorService sendThreadPool = Executors.newFixedThreadPool(threadCount);

    final StatsBenchmarkProducer statsBenchmark = new StatsBenchmarkProducer();

    final Timer timer = new Timer("BenchmarkTimerThread", true);

    final LinkedList<Long[]> snapshotList = new LinkedList<Long[]>();

    timer.scheduleAtFixedRate(new TimerTask() {
        @Override
        public void run() {
            snapshotList.addLast(statsBenchmark.createSnapshot());
            if (snapshotList.size() > 10) {
                snapshotList.removeFirst();
            }
        }
    }, 1000, 1000);

    timer.scheduleAtFixedRate(new TimerTask() {
        private void printStats() {
            if (snapshotList.size() >= 10) {
                Long[] begin = snapshotList.getFirst();
                Long[] end = snapshotList.getLast();

                final long sendTps = (long) (((end[3] - begin[3]) / (double) (end[0] - begin[0])) * 1000L);
                final double averageRT = (end[5] - begin[5]) / (double) (end[3] - begin[3]);

                System.out.printf(
                        "Send TPS: %d Max RT: %d Average RT: %7.3f Send Failed: %d Response Failed: %d%n",
                        sendTps, statsBenchmark.getSendMessageMaxRT().get(), averageRT, end[2], end[4]);
            }
        }

        @Override
        public void run() {
            try {
                this.printStats();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }, 10000, 10000);

    final DefaultMQProducer producer = new DefaultMQProducer("benchmark_producer");
    producer.setInstanceName(Long.toString(System.currentTimeMillis()));

    if (commandLine.hasOption('n')) {
        String ns = commandLine.getOptionValue('n');
        producer.setNamesrvAddr(ns);
    }

    producer.setCompressMsgBodyOverHowmuch(Integer.MAX_VALUE);

    producer.start();

    for (int i = 0; i < threadCount; i++) {
        sendThreadPool.execute(new Runnable() {
            @Override
            public void run() {
                while (true) {
                    try {
                        final long beginTimestamp = System.currentTimeMillis();
                        if (keyEnable) {
                            msg.setKeys(String.valueOf(beginTimestamp / 1000));
                        }
                        producer.send(msg);
                        statsBenchmark.getSendRequestSuccessCount().incrementAndGet();
                        statsBenchmark.getReceiveResponseSuccessCount().incrementAndGet();
                        final long currentRT = System.currentTimeMillis() - beginTimestamp;
                        statsBenchmark.getSendMessageSuccessTimeTotal().addAndGet(currentRT);
                        long prevMaxRT = statsBenchmark.getSendMessageMaxRT().get();
                        while (currentRT > prevMaxRT) {
                            boolean updated = statsBenchmark.getSendMessageMaxRT().compareAndSet(prevMaxRT,
                                    currentRT);
                            if (updated)
                                break;

                            prevMaxRT = statsBenchmark.getSendMessageMaxRT().get();
                        }
                    } catch (RemotingException e) {
                        statsBenchmark.getSendRequestFailedCount().incrementAndGet();
                        log.error("[BENCHMARK_PRODUCER] Send Exception", e);

                        try {
                            Thread.sleep(3000);
                        } catch (InterruptedException ignored) {
                        }
                    } catch (InterruptedException e) {
                        statsBenchmark.getSendRequestFailedCount().incrementAndGet();
                        try {
                            Thread.sleep(3000);
                        } catch (InterruptedException e1) {
                        }
                    } catch (MQClientException e) {
                        statsBenchmark.getSendRequestFailedCount().incrementAndGet();
                        log.error("[BENCHMARK_PRODUCER] Send Exception", e);
                    } catch (MQBrokerException e) {
                        statsBenchmark.getReceiveResponseFailedCount().incrementAndGet();
                        log.error("[BENCHMARK_PRODUCER] Send Exception", e);
                        try {
                            Thread.sleep(3000);
                        } catch (InterruptedException ignored) {
                        }
                    }
                }
            }
        });
    }
}

From source file:edu.hawaii.soest.kilonalu.dvp2.DavisWxXMLSink.java

/**
 * Runs DavisWxXMLSink.//from  w ww .  ja va2  s .co  m
 * 
 * @param args  the command line arguments
 */
public static void main(String[] args) {

    final DavisWxXMLSink davisWxXMLSink = new DavisWxXMLSink();

    // Set up a simple logger that logs to the console
    PropertyConfigurator.configure(davisWxXMLSink.getLogConfigurationFile());

    if (davisWxXMLSink.parseArgs(args)) {

        // export data on a schedule

        TimerTask exportXML = new TimerTask() {
            public void run() {
                logger.debug("TimerTask.run() called.");
                davisWxXMLSink.export();
            }
        };

        Timer exportTimer = new Timer();
        // run the exportXML timer task on the hour, every hour
        exportTimer.scheduleAtFixedRate(exportXML, new Date(), davisWxXMLSink.exportInterval);

    }
}