Examples of com.google.common.util.concurrent.ListeningExecutorService.submit()

Package com.google.common.util.concurrent

Class com.google.common.util.concurrent.ListeningExecutorService

Examples of com.google.common.util.concurrent.ListeningExecutorService.submit()

com.google.common.util.concurrent.ListeningExecutorService.submit()
@return a {@code ListenableFuture} representing pending completion of the task

        int testThreadsCount = 2;
        ListeningExecutorService executor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(testThreadsCount));


        List<ListenableFuture<?>> futures = Lists.newArrayListWithExpectedSize(testThreadsCount);
        for (int i = 0; i < testThreadsCount; i++) {
            futures.add(executor.submit(
                                new Runnable() {
                                    @Override
                                    public void run() {
                                        // Ensure that each thread gets the 1000 microseconds for the mocked millisecond value,
                                        // in order

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        final SortedSet<Long> allTimestamps = new ConcurrentSkipListSet<Long>();
        ListeningExecutorService executor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(testThreadsCount));


        List<ListenableFuture<?>> futures = Lists.newArrayListWithExpectedSize(testThreadsCount);
        for (int i = 0; i < testThreadsCount; i++) {
            futures.add(executor.submit(
                                new Runnable() {
                                    @Override
                                    public void run() {
                                        for (int i = 0; i < 1000 / testThreadsCount; i++)
                                            allTimestamps.add(generator.next());

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      final SshClient client = setupClient();
      ListeningExecutorService userExecutor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(10));
      List<ListenableFuture<ExecResponse>> futures = Lists.newArrayList();
      try {
         for (int i = 0; i < 100; i++) {
            futures.add(userExecutor.submit(new Callable<ExecResponse>() {
               @Override
               public ExecResponse call() {
                  ExecResponse response = client.exec("hostname");
                  //System.out.println("completed (concurrently) "+count.incrementAndGet());
                  return response;

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         for (int i = 0; i < 2; i++) {
            final int groupNum = i;
            final String group = "twin" + groupNum;
            groups.add(group);


            ListenableFuture<NodeMetadata> future = userExecutor.submit(new Callable<NodeMetadata>() {
               public NodeMetadata call() throws Exception {
                  NodeMetadata node = getOnlyElement(client.createNodesInGroup(group, 1, inboundPorts(22, 8080)
                           .blockOnPort(22, 300 + groupNum)));
                  getAnonymousLogger().info("Started node " + node.getId());
                  return node;

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         for (int i = 0; i < 2; i++) {
            final int groupNum = i;
            final String group = "twin" + groupNum;
            groups.add(group);


            ListenableFuture<NodeMetadata> future = userExecutor.submit(new Callable<NodeMetadata>() {
               public NodeMetadata call() throws Exception {
                  NodeMetadata node = getOnlyElement(client.createNodesInGroup(group, 1, inboundPorts(22, 8080)
                           .blockOnPort(22, 300 + groupNum)));
                  getAnonymousLogger().info("Started node " + node.getId());
                  return node;

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         for (int i = 0; i < 2; i++) {
            final int groupNum = i;
            final String group = "twin" + groupNum;
            groups.add(group);


            ListenableFuture<NodeMetadata> future = userExecutor.submit(new Callable<NodeMetadata>() {
               public NodeMetadata call() throws Exception {
                  NodeMetadata node = getOnlyElement(client.createNodesInGroup(group, 1, inboundPorts(22, 8080)
                           .blockOnPort(22, 300 + groupNum)));
                  getAnonymousLogger().info("Started node " + node.getId());
                  return node;

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         for (int i = 0; i < 2; i++) {
            final int groupNum = i;
            final String group = "twin" + groupNum;
            groups.add(group);


            ListenableFuture<NodeMetadata> future = userExecutor.submit(new Callable<NodeMetadata>() {
               public NodeMetadata call() throws Exception {
                  NodeMetadata node = getOnlyElement(client.createNodesInGroup(group, 1, inboundPorts(22, 8080)
                           .blockOnPort(22, 300 + groupNum)));
                  getAnonymousLogger().info("Started node " + node.getId());
                  return node;

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         for (int i = 0; i < 2; i++) {
            final int groupNum = i;
            final String group = "twin" + groupNum;
            groups.add(group);


            ListenableFuture<NodeMetadata> future = userExecutor.submit(new Callable<NodeMetadata>() {
               public NodeMetadata call() throws Exception {
                  NodeMetadata node = getOnlyElement(client.createNodesInGroup(group, 1, inboundPorts(22, 8080)
                           .blockOnPort(22, 300 + groupNum)));
                  getAnonymousLogger().info("Started node " + node.getId());
                  return node;

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      TezTaskUmbilicalForTest umbilical = new TezTaskUmbilicalForTest();
      ContainerContext containerContext = new ContainerContext(containerId.toString());


      ContainerReporter containerReporter = new ContainerReporter(umbilical, containerContext, 100);
      ListenableFuture<ContainerTask> getTaskFuture = executor.submit(containerReporter);


      getTaskFuture.get();
      assertEquals(1, umbilical.getTaskInvocations);


    } finally {

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    ListeningExecutorService service = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(threadCount));
    List<ListenableFuture<Pair<Double, ServerHolder>>> futures = Lists.newArrayList();


    for (final ServerHolder server : serverHolders) {
      futures.add(
          service.submit(
              new Callable<Pair<Double, ServerHolder>>()
              {
                @Override
                public Pair<Double, ServerHolder> call() throws Exception
                {

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