Examples with JobTracker com.hazelcast.mapreduce.JobTracker used on opensource projects

Example 16 with JobTracker

use of com.hazelcast.mapreduce.JobTracker in project hazelcast by hazelcast.

the class DistributedMapperClientMultiMapReduceTest method testMapperReducer.

@Test(timeout = 120000)
public void testMapperReducer() throws Exception {
    Config config = buildConfig();
    HazelcastInstance h1 = hazelcastFactory.newHazelcastInstance(config);
    HazelcastInstance h2 = hazelcastFactory.newHazelcastInstance(config);
    HazelcastInstance h3 = hazelcastFactory.newHazelcastInstance(config);
    assertClusterSizeEventually(3, h1);
    assertClusterSizeEventually(3, h2);
    assertClusterSizeEventually(3, h3);
    HazelcastInstance client = hazelcastFactory.newHazelcastClient(null);
    MultiMap<Integer, Integer> m1 = client.getMultiMap(randomString());
    for (int i = 0; i < 100; i++) {
        m1.put(i, i);
    }
    JobTracker tracker = client.getJobTracker("default");
    Job<Integer, Integer> job = tracker.newJob(integerKvSource(m1));
    ICompletableFuture<Map<String, Integer>> future = job.mapper(new GroupingTestMapper()).combiner(new TestCombinerFactory()).reducer(new TestReducerFactory()).submit();
    Map<String, Integer> result = future.get();
    // Precalculate results
    int[] expectedResults = new int[4];
    for (int i = 0; i < 100; i++) {
        int index = i % 4;
        expectedResults[index] += i;
    }
    for (int i = 0; i < 4; i++) {
        assertEquals(expectedResults[i], (int) result.get(String.valueOf(i)));
    }
}

Example 17 with JobTracker

use of com.hazelcast.mapreduce.JobTracker in project hazelcast by hazelcast.

the class DistributedMapperClientMultiMapReduceTest method testAsyncMapperReducer.

@Test(timeout = 120000)
public void testAsyncMapperReducer() throws Exception {
    Config config = buildConfig();
    HazelcastInstance h1 = hazelcastFactory.newHazelcastInstance(config);
    HazelcastInstance h2 = hazelcastFactory.newHazelcastInstance(config);
    HazelcastInstance h3 = hazelcastFactory.newHazelcastInstance(config);
    assertClusterSizeEventually(3, h1);
    assertClusterSizeEventually(3, h2);
    assertClusterSizeEventually(3, h3);
    HazelcastInstance client = hazelcastFactory.newHazelcastClient(null);
    MultiMap<Integer, Integer> m1 = client.getMultiMap(randomString());
    for (int i = 0; i < 100; i++) {
        m1.put(i, i);
    }
    final Map<String, Integer> listenerResults = new HashMap<String, Integer>();
    final Semaphore semaphore = new Semaphore(1);
    semaphore.acquire();
    JobTracker tracker = client.getJobTracker("default");
    Job<Integer, Integer> job = tracker.newJob(integerKvSource(m1));
    ICompletableFuture<Map<String, Integer>> future = job.mapper(new GroupingTestMapper()).combiner(new TestCombinerFactory()).reducer(new TestReducerFactory()).submit();
    future.andThen(new ExecutionCallback<Map<String, Integer>>() {

        @Override
        public void onResponse(Map<String, Integer> response) {
            try {
                listenerResults.putAll(response);
            } finally {
                semaphore.release();
            }
        }

        @Override
        public void onFailure(Throwable t) {
            semaphore.release();
        }
    });
    // Precalculate results
    int[] expectedResults = new int[4];
    for (int i = 0; i < 100; i++) {
        int index = i % 4;
        expectedResults[index] += i;
    }
    semaphore.acquire();
    for (int i = 0; i < 4; i++) {
        assertEquals(expectedResults[i], (int) listenerResults.get(String.valueOf(i)));
    }
}

Example 18 with JobTracker

use of com.hazelcast.mapreduce.JobTracker in project hazelcast by hazelcast.

the class HazelcastOSGiInstanceTest method getJobTrackerMapCalledSuccessfullyOverOSGiInstance.

@Test
public void getJobTrackerMapCalledSuccessfullyOverOSGiInstance() {
    JobTracker mockJobTracker = mock(JobTracker.class);
    HazelcastInstance mockHazelcastInstance = mock(HazelcastInstance.class);
    HazelcastOSGiInstance hazelcastOSGiInstance = HazelcastOSGiTestUtil.createHazelcastOSGiInstance(mockHazelcastInstance);
    when(mockHazelcastInstance.getJobTracker("my-jobtracker")).thenReturn(mockJobTracker);
    assertEquals(mockJobTracker, hazelcastOSGiInstance.getJobTracker("my-jobtracker"));
    verify(mockHazelcastInstance).getJobTracker("my-jobtracker");
}

Example 19 with JobTracker

use of com.hazelcast.mapreduce.JobTracker in project hazelcast by hazelcast.

the class MapProxyImpl method aggregate.

@Override
public <SuppliedValue, Result> Result aggregate(Supplier<K, V, SuppliedValue> supplier, Aggregation<K, SuppliedValue, Result> aggregation) {
    checkTrue(NATIVE != mapConfig.getInMemoryFormat(), "NATIVE storage format is not supported for MapReduce");
    HazelcastInstance hazelcastInstance = getNodeEngine().getHazelcastInstance();
    JobTracker jobTracker = hazelcastInstance.getJobTracker("hz::aggregation-map-" + getName());
    return aggregate(supplier, aggregation, jobTracker);
}

Example 20 with JobTracker

use of com.hazelcast.mapreduce.JobTracker in project hazelcast by hazelcast.

the class ClientMapReduceTest method testMapper.

@Test(timeout = 120000)
public void testMapper() throws Exception {
    Config config = buildConfig();
    HazelcastInstance h1 = hazelcastFactory.newHazelcastInstance(config);
    HazelcastInstance h2 = hazelcastFactory.newHazelcastInstance(config);
    HazelcastInstance h3 = hazelcastFactory.newHazelcastInstance(config);
    assertClusterSizeEventually(3, h1);
    assertClusterSizeEventually(3, h2);
    assertClusterSizeEventually(3, h3);
    HazelcastInstance client = hazelcastFactory.newHazelcastClient();
    IMap<Integer, Integer> m1 = client.getMap(randomString());
    for (int i = 0; i < 100; i++) {
        m1.put(i, i);
    }
    JobTracker tracker = client.getJobTracker("default");
    Job<Integer, Integer> job = tracker.newJob(integerKvSource(m1));
    ICompletableFuture<Map<String, List<Integer>>> future = job.mapper(new TestMapper()).submit();
    Map<String, List<Integer>> result = future.get();
    assertEquals(100, result.size());
    for (List<Integer> value : result.values()) {
        assertEquals(1, value.size());
    }
}