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

        service.submit(callable);
    }


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


        Callable<String> getUuidCallable = new GetMemberUuidTask();
        Member member = server.getCluster().getLocalMember();


        Future<String> result = service.submitToMember(getUuidCallable, member);


        assertEquals(member.getUuid(), result.get());
    }

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        assertEquals(member.getUuid(), result.get());
    }


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


        Callable<String> getUuidCallable = new GetMemberUuidTask();
        Collection<Member> collection = server.getCluster().getMembers();


        Map<Member, Future<String>> map = service.submitToMembers(getUuidCallable, collection);
        for (Member member : map.keySet()) {
            Future<String> result = map.get(member);
            String uuid = result.get();


            assertEquals(member.getUuid(), uuid);

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        }
    }


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


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


        Future<String> f = service.submit(callable, selectAll);


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

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


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


        Callable<String> getUuidCallable = new GetMemberUuidTask();
        MemberSelector selectAll = new SelectAllMembers();


        Map<Member, Future<String>> map = service.submitToMembers(getUuidCallable, selectAll);
        for (Member member : map.keySet()) {
            Future<String> result = map.get(member);
            String uuid = result.get();


            assertEquals(member.getUuid(), uuid);

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        }
    }


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


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


        Map<Member, Future<String>> map = service.submitToAllMembers(callable);
        for (Member member : map.keySet()) {
            Future<String> result = map.get(member);
            assertEquals(msg + AppendCallable.APPENDAGE, result.get());
        }
    }

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        }
    }


    @Test
    public void submitRunnableToMember_withExecutionCallback() {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        Runnable runnable = new MapPutRunnable(mapName);
        Member member = server.getCluster().getLocalMember();
        final CountDownLatch responseLatch = new CountDownLatch(1);


        service.submitToMember(runnable, member, 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 submitRunnableToMembers_withMultiExecutionCallback() {
        IExecutorService service = client.getExecutorService(randomString());


        String mapName = randomString();
        Runnable runnable = new MapPutRunnable(mapName);
        Collection<Member> collection = server.getCluster().getMembers();
        final CountDownLatch responseLatch = new CountDownLatch(CLUSTER_SIZE);
        final CountDownLatch completeLatch = new CountDownLatch(1);


        service.submitToMembers(runnable, collection, new MultiExecutionCallback() {
            public void onResponse(Member member, Object value) {
                responseLatch.countDown();
            }


            public void onComplete(Map<Member, Object> values) {

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


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


        Callable getUuidCallable = new GetMemberUuidTask();
        Member member = server.getCluster().getLocalMember();
        final CountDownLatch responseLatch = new CountDownLatch(1);
        final AtomicReference<Object> result = new AtomicReference<Object>();


        service.submitToMember(getUuidCallable, member, new ExecutionCallback() {
            @Override
            public void onResponse(Object response) {
                result.set(response);
                responseLatch.countDown();
            }

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        assertEquals(member.getUuid(), result.get());
    }


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


        final CountDownLatch responseLatch = new CountDownLatch(CLUSTER_SIZE);
        final CountDownLatch completeLatch = new CountDownLatch(CLUSTER_SIZE);
        final String msg = randomString();
        Callable<String> callable = new AppendCallable(msg);
        Collection<Member> collection = server.getCluster().getMembers();


        service.submitToMembers(callable, collection, new MultiExecutionCallback() {
            public void onResponse(Member member, Object value) {
                if (value.equals(msg + AppendCallable.APPENDAGE)) {
                    responseLatch.countDown();
                }
            }

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        assertOpenEventually("completeLatch", completeLatch);
    }


    @Test
    public void submitRunnable_withExecutionCallback() {
        IExecutorService service = client.getExecutorService(randomString());


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


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


            public void onFailure(Throwable t) {

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