Examples of com.hazelcast.core.IExecutorService

com.hazelcast.core.IExecutorService
Distributed implementation of {@link ExecutorService}. IExecutorService provides additional methods like executing tasks on a specific member, on a member who is owner of a specific key, executing a tasks on multiple members and listening execution result using a callback. @see ExecutorService @see ExecutionCallback @see MultiExecutionCallback

        assertEquals(1, map.size());
    }


    @Test
    public void testSubmitCallable_withExecutionCallback() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String msg = randomString();
        Callable<String> callable = new AppendCallable(msg);
        final AtomicReference<String> result = new AtomicReference<String>();
        final CountDownLatch responseLatch = new CountDownLatch(1);


        service.submit(callable, new ExecutionCallback<String>() {
            public void onResponse(String response) {
                result.set(response);
                responseLatch.countDown();
            }

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        assertEquals(msg + AppendCallable.APPENDAGE, result.get());
    }


    @Test
    public void submitCallableToKeyOwner() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String msg = randomString();
        Callable<String> callable = new AppendCallable(msg);


        Future<String> result = service.submitToKeyOwner(callable, "key");


        assertEquals(msg + AppendCallable.APPENDAGE, result.get());
    }

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        assertEquals(msg + AppendCallable.APPENDAGE, result.get());
    }


    @Test
    public void submitRunnableToKeyOwner() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        Runnable runnable = new MapPutRunnable(mapName);
        final CountDownLatch responseLatch = new CountDownLatch(1);


        service.submitToKeyOwner(runnable, "key", new ExecutionCallback() {
            public void onResponse(Object response) {
                responseLatch.countDown();
            }


            public void onFailure(Throwable t) {

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        assertEquals(1, map.size());
    }


    @Test
    public void submitCallableToKeyOwner_withExecutionCallback() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String msg = randomString();
        Callable<String> callable = new AppendCallable(msg);
        final CountDownLatch responseLatch = new CountDownLatch(1);
        final AtomicReference<String> result = new AtomicReference<String>();


        service.submitToKeyOwner(callable, "key", new ExecutionCallback<String>() {
            public void onResponse(String response) {
                result.set(response);
                responseLatch.countDown();
            }

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        assertEquals(msg + AppendCallable.APPENDAGE, result.get());
    }


    @Test
    public void submitRunnablePartitionAware() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        String key = HazelcastTestSupport.generateKeyOwnedBy(server);
        final Member member = server.getCluster().getLocalMember();


        //this task should execute on a node owning the given key argument,
        //the action is to put the UUid of the executing node into a map with the given name
        Runnable runnable = new MapPutPartitionAwareRunnable<String>(mapName, key);


        service.submit(runnable);
        final IMap map = client.getMap(mapName);


        assertTrueEventually(new AssertTask() {
            public void run() throws Exception {
                assertTrue(map.containsKey(member.getUuid()));

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        });
    }


    @Test
    public void submitRunnablePartitionAware_withResult() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String expectedResult = "result";
        String mapName = randomString();
        String key = HazelcastTestSupport.generateKeyOwnedBy(server);
        final Member member = server.getCluster().getLocalMember();


        Runnable runnable = new MapPutPartitionAwareRunnable<String>(mapName, key);


        Future result = service.submit(runnable, expectedResult);
        final IMap map = client.getMap(mapName);


        assertEquals(expectedResult, result.get());
        assertTrueEventually(new AssertTask() {
            public void run() throws Exception {

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        });
    }


    @Test
    public void submitRunnablePartitionAware_withExecutionCallback() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        String key = HazelcastTestSupport.generateKeyOwnedBy(server);
        Member member = server.getCluster().getLocalMember();
        Runnable runnable = new MapPutPartitionAwareRunnable<String>(mapName, key);
        final CountDownLatch responseLatch = new CountDownLatch(1);


        service.submit(runnable, new ExecutionCallback() {
            @Override
            public void onResponse(Object response) {
                responseLatch.countDown();
            }

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        assertTrue(map.containsKey(member.getUuid()));
    }


    @Test
    public void submitCallablePartitionAware() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        IMap map = client.getMap(mapName);
        String key = HazelcastTestSupport.generateKeyOwnedBy(server);
        Member member = server.getCluster().getLocalMember();


        Callable<String> callable = new MapPutPartitionAwareCallable<String, String>(mapName, key);
        Future<String> result = service.submit(callable);


        assertEquals(member.getUuid(), result.get());
        assertTrue(map.containsKey(member.getUuid()));
    }

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        assertTrue(map.containsKey(member.getUuid()));
    }


    @Test
    public void submitCallablePartitionAware_WithExecutionCallback() throws Exception {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        IMap map = client.getMap(mapName);
        String key = HazelcastTestSupport.generateKeyOwnedBy(server);
        Member member = server.getCluster().getLocalMember();


        Callable<String> runnable = new MapPutPartitionAwareCallable<String, String>(mapName, key);


        final AtomicReference<String> result = new AtomicReference<String>();
        final CountDownLatch responseLatch = new CountDownLatch(1);


        service.submit(runnable, new ExecutionCallback<String>() {
            public void onResponse(String response) {
                result.set(response);
                responseLatch.countDown();
            }

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        int taskCount = Integer.parseInt(args[1]);
        int durationSec = Integer.parseInt(args[2]);


        long startMs = System.currentTimeMillis();


        IExecutorService executor = hazelcast.getExecutorService("e" + threadCount);
        List<Future> futures = new LinkedList<Future>();
        List<Member> members = new LinkedList<Member>(hazelcast.getCluster().getMembers());


        int totalThreadCount = hazelcast.getCluster().getMembers().size() * threadCount;


        int latchId = 0;
        for (int k = 0; k < taskCount; k++) {
            Member member = members.get(k % members.size());
            if (taskCount % totalThreadCount == 0) {
                latchId = taskCount / totalThreadCount;
                hazelcast.getCountDownLatch("latch" + latchId).trySetCount(totalThreadCount);


            }
            Future f = executor.submitToMember(new SimulateLoadTask(durationSec, k + 1, "latch" + latchId), member);
            futures.add(f);
        }


        for (Future f : futures) {
            try {

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