Example usage for com.google.common.collect Lists newArrayList

Introduction

In this page you can find the example usage for com.google.common.collect Lists newArrayList.

Prototype

@GwtCompatible(serializable = true)
public static <E> ArrayList<E> newArrayList() 

Source Link

Document

Creates a mutable, empty ArrayList instance (for Java 6 and earlier).

Usage

From source file:org.apache.curator.example.LeaderSelectorExample.java

public static void main(String[] args) throws Exception {
    // all of the useful sample code is in ExampleClient.java

    System.out.println("Create " + CLIENT_QTY
            + " clients, have each negotiate for leadership and then wait a random number of seconds before letting another leader election occur.");
    System.out.println(/*  ww w . j  a  v a2  s .  c  o m*/
            "Notice that leader election is fair: all clients will become leader and will do so the same number of times.");

    List<CuratorFramework> clients = Lists.newArrayList();
    List<ExampleClient> examples = Lists.newArrayList();
    TestingServer server = new TestingServer();
    String connect = "192.168.3.197";
    try {
        for (int i = 0; i < CLIENT_QTY; ++i) {
            CuratorFramework client = CuratorFrameworkFactory.newClient(connect,
                    new ExponentialBackoffRetry(1000, 3));
            clients.add(client);

            ExampleClient example = new ExampleClient(client, PATH, "Client #" + i);
            examples.add(example);

            client.start();
            example.start();
        }

        System.out.println("Press enter/return to quit\n");
        new BufferedReader(new InputStreamReader(System.in)).readLine();
    } finally {
        System.out.println("Shutting down...");

        for (ExampleClient exampleClient : examples) {
            CloseableUtils.closeQuietly(exampleClient);
        }
        for (CuratorFramework client : clients) {
            CloseableUtils.closeQuietly(client);
        }

        CloseableUtils.closeQuietly(server);
    }
}

---

From source file:me.huding.curator.cluster.LeaderSelectorExample.java

public static void main(String[] args) throws Exception {
    // all of the useful sample code is in ExampleClient.java

    System.out.println("Create " + CLIENT_QTY
            + " clients, have each negotiate for leadership and then wait a random number of seconds before letting another leader election occur.");
    System.out.println(//from w w w  . j a  va2s  .c  o  m
            "Notice that leader election is fair: all clients will become leader and will do so the same number of times.");

    List<CuratorFramework> clients = Lists.newArrayList();
    List<ExampleClient> examples = Lists.newArrayList();
    try {
        for (int i = 0; i < CLIENT_QTY; ++i) {
            CuratorFramework client = CuratorFrameworkFactory.newClient(connectString,
                    new ExponentialBackoffRetry(1000, 3));
            clients.add(client);

            ExampleClient example = new ExampleClient(client, PATH, "Client #" + i);
            examples.add(example);

            client.start();
            example.start();
        }

        System.out.println("Press enter/return to quit\n");
        new BufferedReader(new InputStreamReader(System.in)).readLine();
    } finally {
        System.out.println("Shutting down...");

        for (ExampleClient exampleClient : examples) {
            CloseableUtils.closeQuietly(exampleClient);
        }
        for (CuratorFramework client : clients) {
            CloseableUtils.closeQuietly(client);
        }
    }
}

---

From source file:com.example.zookeeper.example2_curator._official.leader.LeaderSelectorExample.java

public static void main(String[] args) throws Exception {
    // all of the useful sample code is in ExampleClient.java

    System.out.println("Create " + CLIENT_QTY
            + " clients, have each negotiate for leadership and then wait a random number of seconds before letting another leader election occur.");
    System.out.println(//www. j a  va 2  s .c o m
            "Notice that leader election is fair: all clients will become leader and will do so the same number of times.");

    List<CuratorFramework> clients = Lists.newArrayList(); //
    List<ExampleClient> examples = Lists.newArrayList();
    TestingServer server = new TestingServer();
    try {
        for (int i = 0; i < CLIENT_QTY; ++i) {
            CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(),
                    new ExponentialBackoffRetry(1000, 3));
            clients.add(client);

            ExampleClient example = new ExampleClient(client, PATH, "Client #" + i);
            examples.add(example);

            client.start();
            example.start();
        }

        System.out.println("Press enter/return to quit\n");
        new BufferedReader(new InputStreamReader(System.in)).readLine();
    } finally {
        System.out.println("Shutting down...");

        for (ExampleClient exampleClient : examples) {
            CloseableUtils.closeQuietly(exampleClient);
        }
        for (CuratorFramework client : clients) {
            CloseableUtils.closeQuietly(client);
        }

        CloseableUtils.closeQuietly(server);
    }
}

---

From source file:org.deeplearning4j.streaming.embedded.JavaQueueStream.java

public static void main(String[] args) throws Exception {
    SparkConf sparkConf = new SparkConf().setMaster("local[*]");

    // Create the context
    JavaStreamingContext ssc = new JavaStreamingContext(sparkConf, new Duration(1000));

    // Create the queue through which RDDs can be pushed to
    // a QueueInputDStream
    Queue<JavaRDD<Integer>> rddQueue = new LinkedList<>();

    // Create and push some RDDs into the queue
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < 1000; i++) {
        list.add(i);// w  w  w . ja  v a 2  s.  co m
    }

    for (int i = 0; i < 30; i++) {
        rddQueue.add(ssc.sparkContext().parallelize(list));
    }

    // Create the QueueInputDStream and use it do some processing
    JavaDStream<Integer> inputStream = ssc.queueStream(rddQueue);
    JavaPairDStream<Integer, Integer> mappedStream = inputStream
            .mapToPair(new PairFunction<Integer, Integer, Integer>() {
                @Override
                public Tuple2<Integer, Integer> call(Integer i) {
                    return new Tuple2<>(i % 10, 1);
                }
            });
    JavaPairDStream<Integer, Integer> reducedStream = mappedStream
            .reduceByKey(new Function2<Integer, Integer, Integer>() {
                @Override
                public Integer call(Integer i1, Integer i2) {
                    return i1 + i2;
                }
            });

    reducedStream.print();
    ssc.start();
    ssc.awaitTermination();
}

---

From source file:org.lendingclub.mercator.demo.Main.java

public static void main(String[] args) {
    SLF4JBridgeHandler.removeHandlersForRootLogger();
    SLF4JBridgeHandler.install();/*from   ww w.j a  v  a  2  s. com*/
    Projector projector = new Projector.Builder().build();

    Runnable awsTask = new Runnable() {

        public void run() {
            try {
                List<String> regionList = Splitter.on(",").omitEmptyStrings().trimResults()
                        .splitToList(Strings.nullToEmpty(System.getenv("AWS_REGIONS")));

                if (regionList == null || regionList.isEmpty()) {
                    regionList = Lists.newArrayList();
                    regionList.add("us-west-2");
                    regionList.add("us-east-1");
                }
                LoggerFactory.getLogger(Main.class).info("scanning regions: {}", regionList);
                regionList.forEach(it -> {
                    try {
                        org.slf4j.LoggerFactory.getLogger(Main.class).info("scanning region: {}", it);
                        Regions region = Regions.fromName(it);
                        projector.createBuilder(AWSScannerBuilder.class).withRegion(region)
                                .build(AllEntityScanner.class).scan();
                    } catch (Exception e) {
                        LoggerFactory.getLogger(Main.class).warn("problem scanning " + it, e);
                    }
                });
            } catch (Exception e) {
                LoggerFactory.getLogger(Main.class).warn("problem", e);
            }
        }

    };

    Runnable dockerTask = new Runnable() {
        public void run() {

            projector.createBuilder(DockerScannerBuilder.class).withLocalDockerDaemon().build().scan();
        }
    };

    ScheduledExecutorService exec = Executors.newScheduledThreadPool(5);
    exec.scheduleWithFixedDelay(awsTask, 0, 1, TimeUnit.MINUTES);
    exec.scheduleWithFixedDelay(dockerTask, 0, 10, TimeUnit.SECONDS);

    while (true == true) {
        try {
            Thread.sleep(1000);
        } catch (Exception e) {
        }
    }
}

---

From source file:demo.leader.LeaderSelectorExample.java

public static void main(String[] args) throws Exception {
    // all of the useful sample code is in ExampleClient.java

    System.out.println("Create " + CLIENT_QTY
            + " clients, have each negotiate for leadership and then wait a random number of seconds before letting another leader election occur.");
    System.out.println(/* ww  w  .j a  v a 2s . c o m*/
            "Notice that leader election is fair: all clients will become leader and will do so the same number of times.");

    List<CuratorFramework> clients = Lists.newArrayList();
    List<ExampleClient> examples = Lists.newArrayList();
    TestingServer server = new TestingServer();
    try {
        //            for (int i = 0; i < CLIENT_QTY; ++i) {
        CuratorFramework client = CuratorFrameworkFactory.newClient(host, new ExponentialBackoffRetry(1000, 3));
        clients.add(client);

        ExampleClient example = new ExampleClient(client, PATH, "Client#");
        //                ExampleClient example = new ExampleClient(client, PATH, "Client#" + i);
        examples.add(example);

        client.start();
        example.start();
        //            }

        System.out.println("Press enter/return to quit\n");
        String sleepSec = new BufferedReader(new InputStreamReader(System.in)).readLine();

    } finally {
        System.out.println("Shutting down...");

        for (ExampleClient exampleClient : examples) {
            CloseableUtils.closeQuietly(exampleClient);
        }
        for (CuratorFramework client : clients) {
            CloseableUtils.closeQuietly(client);
        }

        CloseableUtils.closeQuietly(server);
    }
}

---

From source file:hellogroovy.ExampleCreateIssuesAsynchronous.java

public static void main(String[] args) throws IOException {
    final AsynchronousJiraRestClientFactory factory = new AsynchronousJiraRestClientFactory();
    final JiraRestClient restClient = factory.createWithBasicHttpAuthentication(jiraServerUri, "kalaliu",
            "Miahero0302");

    try {/*from w w w  .  ja v a2  s . c o  m*/
        final List<Promise<BasicIssue>> promises = Lists.newArrayList();
        final IssueRestClient issueClient = restClient.getIssueClient();

        System.out.println("Sending issue creation requests...");
        for (int i = 0; i < 1; i++) {
            final String summary = "this is a test for kala #" + i;
            // This is a test case
            //                IssueInputBuilder builder = new IssueInputBuilder("ACP", 10000L, summary);
            //bug
            IssueInputBuilder builder = new IssueInputBuilder("ACP", 3L, summary);
            builder.setFieldValue("timetracking", new TimeTracking(1, null, null));
            // builder.setFieldValue("customfield_10013", 1);
            final IssueInput newIssue = builder.build();
            System.out.println("\tCreating: " + summary);
            promises.add(issueClient.createIssue(newIssue));
        }

        System.out.println("Collecting responses...");
        final Iterable<BasicIssue> createdIssues = transform(promises,
                new Function<Promise<BasicIssue>, BasicIssue>() {
                    @Override
                    public BasicIssue apply(Promise<BasicIssue> promise) {
                        return promise.claim();
                    }
                });

        System.out.println("Created issues:\n" + Joiner.on("\n").join(createdIssues));
    } finally {
        restClient.close();
    }
}

---

From source file:com.weibangong.spark.streaming.JavaQueueStream.java

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

    SparkConf sparkConf = new SparkConf().setAppName("JavaQueueStream");

    // Create the context
    JavaStreamingContext ssc = new JavaStreamingContext(sparkConf, new Duration(1000));

    // Create the queue through which RDDs can be pushed to
    // a QueueInputDStream
    Queue<JavaRDD<Integer>> rddQueue = new LinkedList<JavaRDD<Integer>>();

    // Create and push some RDDs into the queue
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < 1000; i++) {
        list.add(i);// w w w.  j  a va2 s . c  o m
    }

    for (int i = 0; i < 30; i++) {
        rddQueue.add(ssc.sparkContext().parallelize(list));
    }

    // Create the QueueInputDStream and use it do some processing
    JavaDStream<Integer> inputStream = ssc.queueStream(rddQueue);
    JavaPairDStream<Integer, Integer> mappedStream = inputStream
            .mapToPair(new PairFunction<Integer, Integer, Integer>() {
                @Override
                public Tuple2<Integer, Integer> call(Integer i) {
                    return new Tuple2<Integer, Integer>(i % 10, 1);
                }
            });
    JavaPairDStream<Integer, Integer> reducedStream = mappedStream
            .reduceByKey(new Function2<Integer, Integer, Integer>() {
                @Override
                public Integer call(Integer i1, Integer i2) {
                    return i1 + i2;
                }
            });

    reducedStream.print();
    ssc.start();
    ssc.awaitTermination();
}

---

From source file:me.huding.curator.leader.LeaderSelectorExample.java

public static void main(String[] args) throws Exception {
    // all of the useful sample code is in ExampleClient.java

    System.out.println("Create " + CLIENT_QTY
            + " clients, have each negotiate for leadership and then wait a random number of seconds before letting another leader election occur.");
    System.out.println(//from   w w  w. ja  va  2s  . c  om
            "Notice that leader election is fair: all clients will become leader and will do so the same number of times.");

    List<CuratorFramework> clients = Lists.newArrayList();
    List<ExampleClient> examples = Lists.newArrayList();
    try {
        for (int i = 0; i < CLIENT_QTY; ++i) {
            CuratorFramework client = CuratorFrameworkFactory.newClient(connectString,
                    new ExponentialBackoffRetry(1000, 3));
            clients.add(client);

            ExampleClient example = new ExampleClient(client, LEADER_PATH, "Client #" + i);
            examples.add(example);

            client.start();
            example.start();
        }

        System.out.println("Press enter/return to quit\n");
        new BufferedReader(new InputStreamReader(System.in)).readLine();
    } finally {
        System.out.println("Shutting down...");

        for (ExampleClient exampleClient : examples) {
            CloseableUtils.closeQuietly(exampleClient);
        }
        for (CuratorFramework client : clients) {
            CloseableUtils.closeQuietly(client);
        }
    }
}

---

From source file:org.zookeepersample.curator.SharedCounterSample.java

public static void main(String[] args) throws Exception {
    CuratorFramework client = CuratorFrameworkFactory.newClient("myservice..myservice.com:2188",
            new ExponentialBackoffRetry(1000, 3));
    client.start();//from  www  . ja  v  a 2s.  c om

    SharedCount sharedCount = new SharedCount(client, PATH, 0);
    sharedCount.addListener(new SharedCountListener() {

        @Override
        public void stateChanged(CuratorFramework client, ConnectionState newState) {
            System.out.println(newState.toString());
        }

        @Override
        public void countHasChanged(SharedCountReader sharedCount, int newCount) throws Exception {
            System.out.println(newCount);
        }
    });
    sharedCount.start();

    ExecutorService service = Executors.newFixedThreadPool(10);
    List<SharedCount> list = Lists.newArrayList();
    for (int i = 0; i < 10; i++) {
        final SharedCount count = new SharedCount(client, PATH, 0);

        count.addListener(new SharedCountListener() {

            @Override
            public void stateChanged(CuratorFramework client, ConnectionState newState) {
                System.out.println(newState.toString());
            }

            @Override
            public void countHasChanged(SharedCountReader sharedCount, int newCount) throws Exception {
                System.out.println(newCount);
            }
        });

        list.add(count);

        Callable<Void> task = new Callable<Void>() {

            @Override
            public Void call() throws Exception {
                count.start();

                //Thread.sleep(500);
                while (!count.trySetCount(count.getVersionedValue(), count.getCount() + 1)) {
                    Thread.sleep(100);
                }

                return null;
            }
        };
        service.submit(task);
    }

    service.shutdown();
    service.awaitTermination(10, TimeUnit.MINUTES);

    for (SharedCount count : list) {
        count.close();
    }
    sharedCount.close();
}

---

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