Example usage for java.lang Runtime getRuntime

Introduction

In this page you can find the example usage for java.lang Runtime getRuntime.

Prototype

public static Runtime getRuntime() 

Source Link

Document

Returns the runtime object associated with the current Java application.

Usage

From source file:com.github.liyp.test.TestMain.java

@SuppressWarnings("unchecked")
public static void main(String[] args) {
    // add a shutdown hook to stop the server
    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override// ww w. j  a va  2s .  c om
        public void run() {
            System.out.println("########### shoutdown begin....");
            try {
                Thread.sleep(10000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("########### shoutdown end....");
        }
    }));

    System.out.println(args.length);
    Iterator<String> iterator1 = IteratorUtils
            .arrayIterator(new String[] { "one", "two", "three", "11", "22", "AB" });
    Iterator<String> iterator2 = IteratorUtils.arrayIterator(new String[] { "a", "b", "c", "33", "ab", "aB" });

    Iterator<String> chainedIter = IteratorUtils.chainedIterator(iterator1, iterator2);

    System.out.println("==================");

    Iterator<String> iter = IteratorUtils.filteredIterator(chainedIter, new Predicate() {
        @Override
        public boolean evaluate(Object arg0) {
            System.out.println("xx:" + arg0.toString());
            String str = (String) arg0;
            return str.matches("([a-z]|[A-Z]){2}");
        }
    });
    while (iter.hasNext()) {
        System.out.println(iter.next());
    }

    System.out.println("===================");

    System.out.println("asas".matches("[a-z]{4}"));

    System.out.println("Y".equals(null));

    System.out.println(String.format("%02d", 1000L));

    System.out.println(ArrayUtils.toString(splitAndTrim(" 11, 21,12 ,", ",")));

    System.out.println(new ArrayList<String>().toString());

    JSONObject json = new JSONObject("{\"keynull\":null}");
    json.put("bool", false);
    json.put("keya", "as");
    json.put("key2", 2212222222222222222L);
    System.out.println(json);
    System.out.println(json.get("keynull").equals(null));

    String a = String.format("{\"id\":%d,\"method\":\"testCrossSync\"," + "\"circle\":%d},\"isEnd\":true", 1,
            1);
    System.out.println(a.getBytes().length);

    System.out.println(new String[] { "a", "b" });

    System.out.println(new JSONArray("[\"aa\",\"\"]"));

    String data = String.format("%9d %s", 1, RandomStringUtils.randomAlphanumeric(10));
    System.out.println(data.getBytes().length);

    System.out.println(ArrayUtils.toString("1|2| 3|  333||| 3".split("\\|")));

    JSONObject j1 = new JSONObject("{\"a\":\"11111\"}");
    JSONObject j2 = new JSONObject(j1.toString());
    j2.put("b", "22222");
    System.out.println(j1 + " | " + j2);

    System.out.println("======================");

    String regex = "\\d+(\\-\\d+){2} \\d+(:\\d+){2}";
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher("2015-12-28 15:46:14  _NC250_MD:motion de\n");
    String eventDate = matcher.find() ? matcher.group() : "";

    System.out.println(eventDate);
}

---

From source file:com.pinterest.terrapin.controller.TerrapinControllerMain.java

public static void main(String[] args) {
    PropertiesConfiguration configuration = TerrapinUtil.readPropertiesExitOnFailure(
            System.getProperties().getProperty("terrapin.config", "controller.properties"));
    try {// ww  w  .  j  a  v  a2 s.c om
        LOG.info("Starting controller.");
        final TerrapinControllerHandler handler = new TerrapinControllerHandler(configuration);
        handler.start();

        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                handler.shutdown();
            }
        });
    } catch (Throwable t) {
        LOG.error("Could not start the controller.", t);
    }
}

---

From source file:Console.java

public static void main(String[] args) {
    Runtime rt = Runtime.getRuntime();
    Process p = null;/*from w  w w.jav a 2s .c  om*/
    try {

        /*
         * Start a new process in which to execute the commands in cmd, using the environment in
         * env and use pwd as the current working directory.
         */
        p = rt.exec(args);// , env, pwd);
        new Console(p);
        System.exit(p.exitValue());
    } catch (IOException e) {
        /*
         * Couldn't even get the command to start. Most likely it couldn't be found because of a
         * typo.
         */
        System.out.println("Error starting: " + args[0]);
        System.out.println(e);
    }
}

---

From source file:ru.itx.service.ServiceApp.java

public static void main(String[] args) throws Exception {
    final ServiceApp serviceApp = new ServiceApp();
    serviceApp.start();/*  ww w  .  j  av a 2  s  .  c om*/
    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            serviceApp.stop();
        }
    });
    Thread.sleep(Long.MAX_VALUE);
}

---

From source file:org.another.logserver.Starter.java

/**
 *
 * @param args// w ww.j  av a2s. c  o  m
 */
public static void main(String[] args) {

    LOGGER.info("Starting Another Log server ...");

    // Initialize components

    LOGGER.debug("Starting Spring context ...");
    final ApplicationContext springContext = new ClassPathXmlApplicationContext("spring.xml");

    LOGGER.info("Spring intilization: {}", springContext.getStartupDate());

    Runtime.getRuntime().addShutdownHook(new Thread() {

        @Override
        public void run() {
            super.run();
            LOGGER.debug("Running Shutdown Hook");

            Configurator conf = springContext.getBean("configurator", Configurator.class);
            for (IEndPoint ep : conf.getConfiguredEndPoints().values()) {
                ep.stop();
            }

        }

    });

    ((AbstractApplicationContext) springContext).registerShutdownHook();

    LOGGER.debug("Entering wait loop");
    try {
        while (true) {
            Thread.sleep(1000 * 60 * 60);
        }
    } catch (Exception e) {
        LOGGER.error("", e);
    }

}

---

From source file:com.semsaas.utils.anyurl.App.java

public static void main(String[] rawArgs) throws Exception {
    Properties props = new Properties();
    String args[] = processOption(rawArgs, props);

    String outputFile = props.getProperty("output");
    OutputStream os = outputFile == null ? System.out : new FileOutputStream(outputFile);

    final org.apache.camel.spring.Main main = new org.apache.camel.spring.Main();
    main.setApplicationContextUri("classpath:application.xml");

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            try {
                main.stop();/*from   w  w w  . jav  a  2 s.  c  o m*/
            } catch (Exception e) {
            }
        }
    });

    if (args.length > 0) {
        main.start();
        if (main.isStarted()) {
            CamelContext camelContext = main.getCamelContexts().get(0);

            String target = rewriteEndpoint(args[0]);
            boolean producerBased = checkProducerBased(target);

            InputStream is = null;
            if (producerBased) {
                ProducerTemplate producer = camelContext.createProducerTemplate();
                is = producer.requestBody(target, null, InputStream.class);
            } else {
                ConsumerTemplate consumer = camelContext.createConsumerTemplate();
                is = consumer.receiveBody(target, InputStream.class);
            }
            IOUtils.copy(is, os);

            main.stop();
        } else {
            System.err.println("Couldn't trigger jobs, camel wasn't started");
        }
    } else {
        logger.info("No triggers. Running indefintely");
    }
}

---

From source file:com.hortonworks.minicluster.StartMiniHadoopCluster.java

/**
 * MAKE SURE to start with enough memory -Xmx2048m -XX:MaxPermSize=256
 *
 * Will start a two node Hadoop DFS/YARN cluster
 *
 *//*from   w  ww .  j  a  va2s .co  m*/
public static void main(String[] args) throws Exception {
    System.out.println("=============== Starting YARN/HDFS MINI CLUSTER ===============");
    int nodeCount = 2;

    logger.info("Starting with " + nodeCount + " nodes");

    final MiniHadoopCluster yarnCluster = new MiniHadoopCluster("MINI_YARN_CLUSTER", nodeCount);

    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            yarnCluster.stop();
            System.out.println("=============== Stopped YARN/HDFS MINI CLUSTER ===============");
        }
    });

    try {
        yarnCluster.start();
        System.out.println("######## MINI CLUSTER started on " + new Date() + ". ########");
        System.out.println("\t - YARN log and work directories are available in target/MINI_YARN_CLUSTER");
        System.out.println("\t - DFS log and work directories are available in target/MINI_DFS_CLUSTER");
    } catch (Exception e) {
        // won't actually shut down process. Need to see what's going on
        logger.error("Failed to start mini cluster", e);
        yarnCluster.close();
    }
}

---

From source file:org.openpplsoft.Main.java

/**
 * Main entry point for the OPS runtime.
 * @param args command line args to main
 *///  w ww  . j  a va 2  s . com
public static void main(final String[] args) {

    // The name of the environment to access is expected at args[0]
    System.setProperty("contextFile", args[0] + ".xml");
    ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(System.getProperty("contextFile"));

    // The name of the component to load is expected at args[1]
    ComponentRuntimeProfile profileToRun = (ComponentRuntimeProfile) ctx.getBean(args[1]);

    try {
        Runtime.getRuntime().addShutdownHook(new ENTShutdownHook());
        TraceFileVerifier.init(profileToRun);
        Environment.init((String) ctx.getBean("psEnvironmentName"), profileToRun.getOprid());

        Environment.setSystemVar("%Component", new PTString(profileToRun.getComponentName()));
        Environment.setSystemVar("%Menu", new PTString("SA_LEARNER_SERVICES"));
        Environment.setSystemVar("%Mode", new PTString(profileToRun.getMode()));

        Environment.setSystemVar("%Action_UpdateDisplay", new PTString("U"));
        Environment.setSystemVar("%Action_Add", new PTString("A"));

        /*
         * The following system vars can theoretically vary among environments.
         * However, at the moment, I am running this on identically configured
         * vanilla PS instances. Therefore, I am not going to externalize these
         * values for the time being.
         */
        Environment.setSystemVar("%Portal", new PTString("EMPLOYEE"));
        Environment.setSystemVar("%Node", new PTString("HRMS"));

        // Since we are verifying against a tracefile, we have to override
        // the default current date and time with the date and time
        // on/at which the tracefile was generated.
        Environment.setSystemVar("%Date", profileToRun.getTraceFileDate());
        Environment.setSystemVar("%Time", profileToRun.getTraceFileDateTime());

        final Component c = DefnCache.getComponent((String) Environment.getSystemVar("%Component").read(),
                "GBL");

        // Set %Page to the name of the first page in the component.
        Environment.setSystemVar("%Page", new PTString(c.getPages().get(0).getPNLNAME()));

        DefnCache.getMenu((String) Environment.getSystemVar("%Menu").read());

        ComponentBuffer.init(c);
        ComponentBuffer.getSearchRecord().fireEvent(PCEvent.SEARCH_INIT, new FireEventSummary());
        ComponentBuffer.fillSearchRecord();

        ComponentBuffer.assembleBuffers();
        ComponentBuffer.expandRecordBuffersWhereNecessary();
        ComponentBuffer.addEffDtKeyWhereNecessary();
        ComponentBuffer.logPageHierarchyVisual();
        ComponentBuffer.printStructure();
        ComponentStructureVerifier.verify(profileToRun);
        ComponentBuffer.materialize();

        ComponentBuffer.emitPRM();

        ComponentBuffer.firstPassFill();
        ComponentBuffer.fireEvent(PCEvent.PRE_BUILD, new FireEventSummary());
        ComponentBuffer.runRelatedDisplayProcessing();
        ComponentBuffer.runDefaultProcessing();

        ComponentBuffer.fireEvent(PCEvent.ROW_INIT, new FireEventSummary());
        ComponentBuffer.fireEvent(PCEvent.POST_BUILD, new FireEventSummary());

        TraceFileVerifier.logVerificationSummary(false);

    } catch (final OPSVMachRuntimeException opsvmre) {
        log.fatal(opsvmre.getMessage(), opsvmre);
        TraceFileVerifier.logVerificationSummary(true);
        System.exit(1);
    }
}

---

From source file:com.eaio.uuid.UUIDPerformance.java

public static void main(String[] args) {

    Thread[] threads = new Thread[Runtime.getRuntime().availableProcessors()];

    for (int i = 0; i < threads.length; ++i) {
        threads[i] = new Thread(new UUIDRunnable(count / threads.length));
    }/*from w  ww  .  j a  v a2  s . c  o m*/

    StopWatch watch = new StopWatch();
    watch.start();

    for (Thread t : threads) {
        t.start();
    }

    for (Thread t : threads) {
        try {
            t.join();
        } catch (InterruptedException e) {
            // Moo
        }
    }

    watch.stop();
    System.out.println(watch.getTime());
}

---

From source file:trendulo.ingest.Ingest.java

/**
 * @param args/*from   ww w.j a  va2  s  . co  m*/
 */
public static void main(String[] args) {

    final Logger log = Logger.getLogger(Ingest.class);

    ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");

    // Start the N-Gram Source
    final TemporalNGramSource nGramSource = (TemporalNGramSource) context.getBean("nGramSource");
    Thread nGramSourceThread = new Thread(nGramSource);
    nGramSourceThread.start();

    // Start the N-Gram Ingester that will take from the source
    final TemporalNGramIngester nGramIngester = (TemporalNGramIngester) context.getBean("nGramIngester");
    Thread nGramIngesterThread = new Thread(nGramIngester);
    nGramIngesterThread.start();

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            log.info("Shutting Down Ingest...");
            nGramSource.shutdown();
            nGramIngester.shutdown();
        }
    });
}

---

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