Examples of java.util.concurrent.ExecutorService.submit()

Class java.util.concurrent.ExecutorService

Examples of java.util.concurrent.ExecutorService.submit()

java.util.concurrent.ExecutorService.submit()
Submits a value-returning task for execution and returns a Future representing the pending results of the task. The Future's {@code get} method will return the task's result uponsuccessful completion.
If you would like to immediately block waiting for a task, you can use constructions of the form {@code result = exec.submit(aCallable).get();}
Note: The {@link Executors} class includes a set of methodsthat can convert some other common closure-like objects, for example, {@link java.security.PrivilegedAction} to{@link Callable} form so they can be submitted. @param task the task to submit @param < T> the type of the task's result @return a Future representing pending completion of the task @throws RejectedExecutionException if the task cannot bescheduled for execution @throws NullPointerException if the task is null


        final ExecutorService exec = Executors.newFixedThreadPool(threads);
        try {
            for(int i = 0; i < threads; i++) {
                final int threadId = i;
                exec.submit(new Runnable() {
                    public void run() {
                        try {
                            if(lock == null) {
                                runBenchmarkWithZipfDistributionLongHashSync(pager, hash, capacity, round, percent, scanLength, dist[threadId]);
                            } else {

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        final FixedSegments pager = makeTempSegments(pageSize);


        final ExecutorService exec = Executors.newFixedThreadPool(threads);
        try {
            for(int i = 0; i < threads; i++) {
                exec.submit(new Runnable() {
                    public void run() {
                        try {
                            if(lock == null) {
                                runBenchmarkWithZipfDistributionSync(pager, cache, capacity, round, percent, scanLength, reader);
                            } else {

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        final FixedSegments pager = makeTempSegments(pageSize);


        final ExecutorService exec = Executors.newFixedThreadPool(threads);
        try {
            for(int i = 0; i < threads; i++) {
                exec.submit(new Runnable() {
                    public void run() {
                        try {
                            if(lock == null) {
                                runBenchmarkWithZipfDistributionLongHashSync(pager, hash, capacity, round, percent, scanLength, reader);
                            } else {

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        final ExecutorService exec = Executors.newFixedThreadPool(threads);
        try {
            for(int i = 0; i < threads; i++) {
                final int threadId = i;
                exec.submit(new Runnable() {
                    public void run() {
                        try {
                            if(lock == null) {
                                runBenchmarkWithZipfDistributionSync(pager, cache, capacity, round, percent, scanLength, dist[threadId]);
                            } else {

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              if (!success) return;


              // The invocation must happen in a separate thread, holding on the afterCompletion
              // blocks other operations that could have been listed there as well.
              ExecutorService executorService = executionEnvironment.getExecutorService();
              executorService.submit(executionCallable);
            }
            
            public void beforeCompletion(){}
          }
      );

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    public void afterCompletion(boolean success) {
      if (!success) return;
      
        ExecutorService executorService = executionEnvironment.getExecutorService();
        executorService.submit(executionCallable);
    }
  });
      
      mex.replyOneWayOk();
    }

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    int nRequests = 2048;
    final CountDownLatch latch = new CountDownLatch(nRequests);
    ExecutorService executor = Executors.newFixedThreadPool(nThreads);


    for (int i = 1; i <= nRequests; i++) {
      executor.submit(new Runnable() {


        @Override
        public void run() {
          try {
            doSimpleGetRequest();

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      final ExecutorService executor = Executors.newFixedThreadPool(2);
      final CountDownLatch pushStateCanFinish = new CountDownLatch(1);
      final CountDownLatch secondActiveStatusChangerCanStart = new CountDownLatch(1);
      final MockSingletonStoreCacheLoader mscl = new MockSingletonStoreCacheLoader(pushStateCanFinish, secondActiveStatusChangerCanStart, new SingletonStoreDefaultConfig());


      Future f1 = executor.submit(createActiveStatusChanger(mscl));
      secondActiveStatusChangerCanStart.await();


      Future f2 = executor.submit(createActiveStatusChanger(mscl));


      f1.get();

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      final MockSingletonStoreCacheLoader mscl = new MockSingletonStoreCacheLoader(pushStateCanFinish, secondActiveStatusChangerCanStart, new SingletonStoreDefaultConfig());


      Future f1 = executor.submit(createActiveStatusChanger(mscl));
      secondActiveStatusChangerCanStart.await();


      Future f2 = executor.submit(createActiveStatusChanger(mscl));


      f1.get();
      f2.get();


      assertEquals(1, mscl.getNumberCreatedTasks());

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    _password = password;
  }


   public void connectToServer(final int connectTimeoutMillis, final int readTimeoutMillis) throws Exception {        
        ExecutorService executor = Executors.newSingleThreadExecutor();     
        Future<Boolean> future = executor.submit(new Callable<Boolean>() {
            public Boolean call() throws Exception {
                HttpClientParams params = new HttpClientParams();
                params.setIntParameter(HttpConnectionParams.CONNECTION_TIMEOUT, connectTimeoutMillis);
                params.setIntParameter(HttpConnectionParams.SO_TIMEOUT, readTimeoutMillis);
                Map<String,Object> props = new HashMap<String, Object>();

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