@Test(timeout = 60000)
public void testMapReduceWithSet() 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();
int expectedResult = 0;
ISet<Integer> set = h1.getSet("default");
for (int o = 0; o < 100; o++) {
set.add(o);
expectedResult += o;
}
JobTracker jobTracker = client.getJobTracker("default");
Job<String, Integer> job = jobTracker.newJob(KeyValueSource.fromSet(set));
ICompletableFuture<Map<String, Integer>> ICompletableFuture =
job.chunkSize(10)
.mapper(new ListSetMapReduceTest.ListSetMapper())
.combiner(new ListSetMapReduceTest.ListSetCombinerFactory())
.reducer(new ListSetMapReduceTest.ListSetReducerFactory())
.submit();
Map<String, Integer> result = ICompletableFuture.get();
assertEquals(1, result.size());
for (Map.Entry<String, Integer> entry : result.entrySet()) {
assertEquals(set.getName(), entry.getKey());
assertEquals(expectedResult, (int) entry.getValue());
}
}
