Example usage for java.util Arrays sort

List of usage examples for java.util Arrays sort

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Arrays
  6. sort

Introduction

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

Prototype

public static void sort(Object[] a)

Source Link

Document

Sorts the specified array of objects into ascending order, according to the Comparable natural ordering of its elements.

Usage

From source file:com.linkedin.pinotdruidbenchmark.DruidResponseTime.java

public static void main(String[] args) throws Exception {
    if (args.length != 4 && args.length != 5) {
        System.err.println(//from   w w w  .j  a  v  a  2 s  .co m
                "4 or 5 arguments required: QUERY_DIR, RESOURCE_URL, WARM_UP_ROUNDS, TEST_ROUNDS, RESULT_DIR (optional).");
        return;
    }

    File queryDir = new File(args[0]);
    String resourceUrl = args[1];
    int warmUpRounds = Integer.parseInt(args[2]);
    int testRounds = Integer.parseInt(args[3]);
    File resultDir;
    if (args.length == 4) {
        resultDir = null;
    } else {
        resultDir = new File(args[4]);
        if (!resultDir.exists()) {
            if (!resultDir.mkdirs()) {
                throw new RuntimeException("Failed to create result directory: " + resultDir);
            }
        }
    }

    File[] queryFiles = queryDir.listFiles();
    assert queryFiles != null;
    Arrays.sort(queryFiles);

    try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
        HttpPost httpPost = new HttpPost(resourceUrl);
        httpPost.addHeader("content-type", "application/json");

        for (File queryFile : queryFiles) {
            StringBuilder stringBuilder = new StringBuilder();
            try (BufferedReader bufferedReader = new BufferedReader(new FileReader(queryFile))) {
                int length;
                while ((length = bufferedReader.read(CHAR_BUFFER)) > 0) {
                    stringBuilder.append(new String(CHAR_BUFFER, 0, length));
                }
            }
            String query = stringBuilder.toString();
            httpPost.setEntity(new StringEntity(query));

            System.out.println(
                    "--------------------------------------------------------------------------------");
            System.out.println("Running query: " + query);
            System.out.println(
                    "--------------------------------------------------------------------------------");

            // Warm-up Rounds
            System.out.println("Run " + warmUpRounds + " times to warm up...");
            for (int i = 0; i < warmUpRounds; i++) {
                CloseableHttpResponse httpResponse = httpClient.execute(httpPost);
                httpResponse.close();
                System.out.print('*');
            }
            System.out.println();

            // Test Rounds
            System.out.println("Run " + testRounds + " times to get response time statistics...");
            long[] responseTimes = new long[testRounds];
            long totalResponseTime = 0L;
            for (int i = 0; i < testRounds; i++) {
                long startTime = System.currentTimeMillis();
                CloseableHttpResponse httpResponse = httpClient.execute(httpPost);
                httpResponse.close();
                long responseTime = System.currentTimeMillis() - startTime;
                responseTimes[i] = responseTime;
                totalResponseTime += responseTime;
                System.out.print(responseTime + "ms ");
            }
            System.out.println();

            // Store result.
            if (resultDir != null) {
                File resultFile = new File(resultDir, queryFile.getName() + ".result");
                CloseableHttpResponse httpResponse = httpClient.execute(httpPost);
                try (BufferedInputStream bufferedInputStream = new BufferedInputStream(
                        httpResponse.getEntity().getContent());
                        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(resultFile))) {
                    int length;
                    while ((length = bufferedInputStream.read(BYTE_BUFFER)) > 0) {
                        bufferedWriter.write(new String(BYTE_BUFFER, 0, length));
                    }
                }
                httpResponse.close();
            }

            // Process response times.
            double averageResponseTime = (double) totalResponseTime / testRounds;
            double temp = 0;
            for (long responseTime : responseTimes) {
                temp += (responseTime - averageResponseTime) * (responseTime - averageResponseTime);
            }
            double standardDeviation = Math.sqrt(temp / testRounds);
            System.out.println("Average response time: " + averageResponseTime + "ms");
            System.out.println("Standard deviation: " + standardDeviation);
        }
    }
}

From source file:com.linkedin.pinotdruidbenchmark.PinotThroughput.java

@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
    if (args.length != 3 && args.length != 4) {
        System.err.println(/*w  w  w.j a  v a 2  s .  c  o  m*/
                "3 or 4 arguments required: QUERY_DIR, RESOURCE_URL, NUM_CLIENTS, TEST_TIME (seconds).");
        return;
    }

    File queryDir = new File(args[0]);
    String resourceUrl = args[1];
    final int numClients = Integer.parseInt(args[2]);
    final long endTime;
    if (args.length == 3) {
        endTime = Long.MAX_VALUE;
    } else {
        endTime = System.currentTimeMillis() + Integer.parseInt(args[3]) * MILLIS_PER_SECOND;
    }

    File[] queryFiles = queryDir.listFiles();
    assert queryFiles != null;
    Arrays.sort(queryFiles);

    final int numQueries = queryFiles.length;
    final HttpPost[] httpPosts = new HttpPost[numQueries];
    for (int i = 0; i < numQueries; i++) {
        HttpPost httpPost = new HttpPost(resourceUrl);
        String query = new BufferedReader(new FileReader(queryFiles[i])).readLine();
        httpPost.setEntity(new StringEntity("{\"pql\":\"" + query + "\"}"));
        httpPosts[i] = httpPost;
    }

    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicLong totalResponseTime = new AtomicLong(0L);
    final ExecutorService executorService = Executors.newFixedThreadPool(numClients);

    for (int i = 0; i < numClients; i++) {
        executorService.submit(new Runnable() {
            @Override
            public void run() {
                try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
                    while (System.currentTimeMillis() < endTime) {
                        long startTime = System.currentTimeMillis();
                        CloseableHttpResponse httpResponse = httpClient
                                .execute(httpPosts[RANDOM.nextInt(numQueries)]);
                        httpResponse.close();
                        long responseTime = System.currentTimeMillis() - startTime;
                        counter.getAndIncrement();
                        totalResponseTime.getAndAdd(responseTime);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
    executorService.shutdown();

    long startTime = System.currentTimeMillis();
    while (System.currentTimeMillis() < endTime) {
        Thread.sleep(REPORT_INTERVAL_MILLIS);
        double timePassedSeconds = ((double) (System.currentTimeMillis() - startTime)) / MILLIS_PER_SECOND;
        int count = counter.get();
        double avgResponseTime = ((double) totalResponseTime.get()) / count;
        System.out.println("Time Passed: " + timePassedSeconds + "s, Query Executed: " + count + ", QPS: "
                + count / timePassedSeconds + ", Avg Response Time: " + avgResponseTime + "ms");
    }
}

From source file:com.linkedin.pinotdruidbenchmark.DruidThroughput.java

@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
    if (args.length != 3 && args.length != 4) {
        System.err.println(//w  w w .j a  v a 2 s. com
                "3 or 4 arguments required: QUERY_DIR, RESOURCE_URL, NUM_CLIENTS, TEST_TIME (seconds).");
        return;
    }

    File queryDir = new File(args[0]);
    String resourceUrl = args[1];
    final int numClients = Integer.parseInt(args[2]);
    final long endTime;
    if (args.length == 3) {
        endTime = Long.MAX_VALUE;
    } else {
        endTime = System.currentTimeMillis() + Integer.parseInt(args[3]) * MILLIS_PER_SECOND;
    }

    File[] queryFiles = queryDir.listFiles();
    assert queryFiles != null;
    Arrays.sort(queryFiles);

    final int numQueries = queryFiles.length;
    final HttpPost[] httpPosts = new HttpPost[numQueries];
    for (int i = 0; i < numQueries; i++) {
        HttpPost httpPost = new HttpPost(resourceUrl);
        httpPost.addHeader("content-type", "application/json");
        StringBuilder stringBuilder = new StringBuilder();
        try (BufferedReader bufferedReader = new BufferedReader(new FileReader(queryFiles[i]))) {
            int length;
            while ((length = bufferedReader.read(CHAR_BUFFER)) > 0) {
                stringBuilder.append(new String(CHAR_BUFFER, 0, length));
            }
        }
        String query = stringBuilder.toString();
        httpPost.setEntity(new StringEntity(query));
        httpPosts[i] = httpPost;
    }

    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicLong totalResponseTime = new AtomicLong(0L);
    final ExecutorService executorService = Executors.newFixedThreadPool(numClients);

    for (int i = 0; i < numClients; i++) {
        executorService.submit(new Runnable() {
            @Override
            public void run() {
                try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
                    while (System.currentTimeMillis() < endTime) {
                        long startTime = System.currentTimeMillis();
                        CloseableHttpResponse httpResponse = httpClient
                                .execute(httpPosts[RANDOM.nextInt(numQueries)]);
                        httpResponse.close();
                        long responseTime = System.currentTimeMillis() - startTime;
                        counter.getAndIncrement();
                        totalResponseTime.getAndAdd(responseTime);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
    executorService.shutdown();

    long startTime = System.currentTimeMillis();
    while (System.currentTimeMillis() < endTime) {
        Thread.sleep(REPORT_INTERVAL_MILLIS);
        double timePassedSeconds = ((double) (System.currentTimeMillis() - startTime)) / MILLIS_PER_SECOND;
        int count = counter.get();
        double avgResponseTime = ((double) totalResponseTime.get()) / count;
        System.out.println("Time Passed: " + timePassedSeconds + "s, Query Executed: " + count + ", QPS: "
                + count / timePassedSeconds + ", Avg Response Time: " + avgResponseTime + "ms");
    }
}

From source file:com.garyclayburg.BootUp.java

public static void main(String[] args) {
    ApplicationContext ctx = SpringApplication.run(BootUp.class);
    log.info("active profiles: " + Arrays.toString(ctx.getEnvironment().getActiveProfiles()));
    log.info("Beans loaded by spring / spring boot");
    String[] beanNames = ctx.getBeanDefinitionNames();
    Arrays.sort(beanNames);
    for (String beanName : beanNames) {
        log.info(beanName);/*from   w  w  w .ja v  a2 s  . com*/
    }
    log.info("");
    log.info("Server is ready for e-business");
}

From source file:Main.java

public static void main(String[] args) {
        short shortArray[] = { 1, 2, 4, 5 };
        Arrays.sort(shortArray);

        short searchValue = 2;
        System.out.println(Arrays.binarySearch(shortArray, searchValue));

        searchValue = 3;//from   w  ww.j  av  a 2 s  .c  o  m
        System.out.println(Arrays.binarySearch(shortArray, searchValue));
    }

From source file:io.onedecision.engine.TestApplication.java

public static void main(String[] args) {
    ApplicationContext ctx = SpringApplication.run(TestApplication.class, args);

    if (LOGGER.isDebugEnabled()) {
        LOGGER.info("Beans registered:");

        String[] beanNames = ctx.getBeanDefinitionNames();
        Arrays.sort(beanNames);
        for (String beanName : beanNames) {
            LOGGER.info("  " + beanName);
        }// ww w . j  av  a2 s .c  o  m
    }
}

From source file:io.onedecision.webapp.Application.java

public static void main(String[] args) {
    ApplicationContext ctx = SpringApplication.run(Application.class, args);

    if (LOGGER.isDebugEnabled()) {
        LOGGER.info("Beans registered:");

        String[] beanNames = ctx.getBeanDefinitionNames();
        Arrays.sort(beanNames);
        for (String beanName : beanNames) {
            LOGGER.info("  " + beanName);
        }//from   w w  w .  ja  va2 s. c  o  m
    }
}

From source file:com.slothpetrochemical.bridgeprob.BridgeProblemApp.java

public static void main(final String[] args) throws ParseException {
    Options commandLineOptions = createOptions();
    PosixParser clParser = new PosixParser();
    CommandLine cl = clParser.parse(commandLineOptions, args);

    if (cl.getArgs().length == 0 || cl.hasOption("h")) {
        new HelpFormatter().printHelp("crossing_times...", commandLineOptions);
    } else {/*from w w w. ja v a 2  s. c  o  m*/
        String[] clArgs = cl.getArgs();
        Integer[] times = new Integer[clArgs.length];
        for (int i = 0; i < clArgs.length; ++i) {
            Integer intTime = Integer.parseInt(clArgs[i]);
            times[i] = intTime;
        }
        Arrays.sort(times);
        BridgeProblemApp app = new BridgeProblemApp(Arrays.asList(times));
        app.run();
    }
}

From source file:com.example.Client.java

public static void main(String[] args) throws Exception {
    // Create an RMI connector client and
    // connect it to the RMI connector server
    ///*from   www . j  av  a  2s .c om*/
    echo("\nCreate an RMI connector client and " + "connect it to the RMI connector server");
    JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://:9999/jmxrmi");
    JMXConnector jmxc = JMXConnectorFactory.connect(url, null);

    // Create listener
    //
    ClientListener listener = new ClientListener();

    // Get an MBeanServerConnection
    //
    echo("\nGet an MBeanServerConnection");
    MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
    waitForEnterPressed();

    // Get domains from MBeanServer
    //
    echo("\nDomains:");
    String domains[] = mbsc.getDomains();
    Arrays.sort(domains);
    for (String domain : domains) {
        echo("\tDomain = " + domain);
    }
    waitForEnterPressed();

    // Get MBeanServer's default domain
    //
    echo("\nMBeanServer default domain = " + mbsc.getDefaultDomain());

    // Get MBean count
    //
    echo("\nMBean count = " + mbsc.getMBeanCount());

    // Query MBean names
    //
    echo("\nQuery MBeanServer MBeans:");
    Set<ObjectName> names = new TreeSet<ObjectName>(mbsc.queryNames(null, null));
    for (ObjectName name : names) {
        echo("\tObjectName = " + name);
    }
    waitForEnterPressed();

    // ----------------------
    // Manage the Hello MBean
    // ----------------------

    echo("\n>>> Perform operations on Hello MBean <<<");

    // Construct the ObjectName for the Hello MBean
    //
    ObjectName mbeanName = new ObjectName("com.example:type=Hello");

    // Create a dedicated proxy for the MBean instead of
    // going directly through the MBean server connection
    //
    HelloMBean mbeanProxy = JMX.newMBeanProxy(mbsc, mbeanName, HelloMBean.class, true);

    // Add notification listener on Hello MBean
    //
    echo("\nAdd notification listener...");
    mbsc.addNotificationListener(mbeanName, listener, null, null);

    // Get CacheSize attribute in Hello MBean
    //
    echo("\nCacheSize = " + mbeanProxy.getCacheSize());

    // Set CacheSize attribute in Hello MBean
    // Calling "reset" makes the Hello MBean emit a
    // notification that will be received by the registered
    // ClientListener.
    //
    mbeanProxy.setCacheSize(150);

    // Sleep for 2 seconds to have time to receive the notification
    //
    echo("\nWaiting for notification...");
    sleep(2000);

    // Get CacheSize attribute in Hello MBean
    //
    echo("\nCacheSize = " + mbeanProxy.getCacheSize());

    // Invoke "sayHello" in Hello MBean
    //
    echo("\nInvoke sayHello() in Hello MBean...");
    mbeanProxy.sayHello();

    // Invoke "add" in Hello MBean
    //
    echo("\nInvoke add(2, 3) in Hello MBean...");
    echo("\nadd(2, 3) = " + mbeanProxy.add(2, 3));

    waitForEnterPressed();

    // ------------------------------
    // Manage the QueueSampler MXBean
    // ------------------------------

    echo("\n>>> Perform operations on QueueSampler MXBean <<<");

    // Construct the ObjectName for the QueueSampler MXBean
    //
    ObjectName mxbeanName = new ObjectName("com.example:type=QueueSampler");

    // Create a dedicated proxy for the MXBean instead of
    // going directly through the MBean server connection
    //
    QueueSamplerMXBean mxbeanProxy = JMX.newMXBeanProxy(mbsc, mxbeanName, QueueSamplerMXBean.class);

    // Get QueueSample attribute in QueueSampler MXBean
    //
    QueueSample queue1 = mxbeanProxy.getQueueSample();
    echo("\nQueueSample.Date = " + queue1.getDate());
    echo("QueueSample.Head = " + queue1.getHead());
    echo("QueueSample.Size = " + queue1.getSize());

    // Invoke "clearQueue" in QueueSampler MXBean
    //
    echo("\nInvoke clearQueue() in QueueSampler MXBean...");
    mxbeanProxy.clearQueue();

    // Get QueueSample attribute in QueueSampler MXBean
    //
    QueueSample queue2 = mxbeanProxy.getQueueSample();
    echo("\nQueueSample.Date = " + queue2.getDate());
    echo("QueueSample.Head = " + queue2.getHead());
    echo("QueueSample.Size = " + queue2.getSize());

    waitForEnterPressed();

    // Close MBeanServer connection
    //
    echo("\nClose the connection to the server");
    jmxc.close();
    echo("\nBye! Bye!");
}

From source file:edu.cmu.lti.oaqa.annographix.apps.SolrQueryApp.java

public static void main(String[] args) {
    Options options = new Options();

    options.addOption("u", null, true, "Solr URI");
    options.addOption("q", null, true, "Query");
    options.addOption("n", null, true, "Max # of results");
    options.addOption("o", null, true, "An optional TREC-style output file");
    options.addOption("w", null, false, "Do a warm-up query call, before each query");

    CommandLineParser parser = new org.apache.commons.cli.GnuParser();

    BufferedWriter trecOutFile = null;

    try {/*from  ww w .java  2  s  .  co m*/
        CommandLine cmd = parser.parse(options, args);
        String queryFile = null, solrURI = null;

        if (cmd.hasOption("u")) {
            solrURI = cmd.getOptionValue("u");
        } else {
            Usage("Specify Solr URI");
        }

        SolrServerWrapper solr = new SolrServerWrapper(solrURI);

        if (cmd.hasOption("q")) {
            queryFile = cmd.getOptionValue("q");
        } else {
            Usage("Specify Query file");
        }

        int numRet = 100;

        if (cmd.hasOption("n")) {
            numRet = Integer.parseInt(cmd.getOptionValue("n"));
        }

        if (cmd.hasOption("o")) {
            trecOutFile = new BufferedWriter(new FileWriter(new File(cmd.getOptionValue("o"))));
        }

        List<String> fieldList = new ArrayList<String>();
        fieldList.add(UtilConst.ID_FIELD);
        fieldList.add(UtilConst.SCORE_FIELD);

        double totalTime = 0;
        double retQty = 0;

        ArrayList<Double> queryTimes = new ArrayList<Double>();

        boolean bDoWarmUp = cmd.hasOption("w");

        if (bDoWarmUp) {
            System.out.println("Using a warmup step!");
        }

        int queryQty = 0;
        for (String t : FileUtils.readLines(new File(queryFile))) {
            t = t.trim();
            if (t.isEmpty())
                continue;
            int ind = t.indexOf('|');
            if (ind < 0)
                throw new Exception("Wrong format, line: '" + t + "'");
            String qID = t.substring(0, ind);
            String q = t.substring(ind + 1);

            SolrDocumentList res = null;

            if (bDoWarmUp) {
                res = solr.runQuery(q, fieldList, numRet);
            }

            Long tm1 = System.currentTimeMillis();
            res = solr.runQuery(q, fieldList, numRet);
            Long tm2 = System.currentTimeMillis();
            retQty += res.getNumFound();
            System.out.println(qID + " Obtained: " + res.getNumFound() + " entries in " + (tm2 - tm1) + " ms");
            double delta = (tm2 - tm1);
            totalTime += delta;
            queryTimes.add(delta);
            ++queryQty;

            if (trecOutFile != null) {

                ArrayList<SolrRes> resArr = new ArrayList<SolrRes>();
                for (SolrDocument doc : res) {
                    String id = (String) doc.getFieldValue(UtilConst.ID_FIELD);
                    float score = (Float) doc.getFieldValue(UtilConst.SCORE_FIELD);
                    resArr.add(new SolrRes(id, "", score));
                }
                SolrRes[] results = resArr.toArray(new SolrRes[resArr.size()]);
                Arrays.sort(results);

                SolrEvalUtils.saveTrecResults(qID, results, trecOutFile, TREC_RUN, results.length);
            }
        }
        double devTime = 0, meanTime = totalTime / queryQty;
        for (int i = 0; i < queryQty; ++i) {
            double d = queryTimes.get(i) - meanTime;
            devTime += d * d;
        }
        devTime = Math.sqrt(devTime / (queryQty - 1));
        System.out.println(String.format("Query time, mean/standard dev: %.2f/%.2f (ms)", meanTime, devTime));
        System.out.println(String.format("Avg # of docs returned: %.2f", retQty / queryQty));

        solr.close();
        trecOutFile.close();
    } catch (ParseException e) {
        Usage("Cannot parse arguments");
    } catch (Exception e) {
        System.err.println("Terminating due to an exception: " + e);
        System.exit(1);
    }

}