Examples with IAtomicLong com.hazelcast.cp.IAtomicLong used on opensource projects

Example 16 with IAtomicLong

use of com.hazelcast.cp.IAtomicLong in project hazelcast by hazelcast.

the class CPMemberAddRemoveTest method testMetadataGroupReinitializationAfterLostMajority.

@Test
public void testMetadataGroupReinitializationAfterLostMajority() throws ExecutionException, InterruptedException {
    HazelcastInstance[] instances = newInstances(3, 3, 1);
    long groupIdSeed = getRaftService(instances[0]).getMetadataGroupManager().getGroupIdSeed();
    RaftGroupId groupId = getRaftInvocationManager(instances[0]).createRaftGroup(CPGroup.DEFAULT_GROUP_NAME).get();
    IAtomicLong long1 = instances[0].getCPSubsystem().getAtomicLong("proxy");
    sleepAtLeastMillis(10);
    instances[1].getLifecycleService().terminate();
    instances[2].getLifecycleService().terminate();
    assertClusterSizeEventually(2, instances[3]);
    HazelcastInstance[] newInstances = new HazelcastInstance[3];
    newInstances[0] = instances[0];
    newInstances[1] = instances[3];
    Config config = createConfig(3, 3);
    newInstances[2] = factory.newHazelcastInstance(config);
    assertClusterSizeEventually(3, newInstances);
    newInstances[0].getCPSubsystem().getCPSubsystemManagementService().reset().toCompletableFuture().get();
    waitUntilCPDiscoveryCompleted(newInstances);
    long newGroupIdSeed = getRaftService(newInstances[0]).getMetadataGroupManager().getGroupIdSeed();
    RaftGroupId newGroupId = getRaftInvocationManager(instances[0]).createRaftGroup(CPGroup.DEFAULT_GROUP_NAME).get();
    assertThat(newGroupIdSeed, greaterThan(groupIdSeed));
    assertThat(newGroupId.getSeed(), greaterThan(groupId.getSeed()));
    try {
        long1.incrementAndGet();
        fail();
    } catch (CPGroupDestroyedException ignored) {
    }
    IAtomicLong long2 = newInstances[2].getCPSubsystem().getAtomicLong("proxy");
    long2.incrementAndGet();
    assertTrueEventually(() -> {
        CPGroupSummary group = queryRaftGroupLocally(newInstances[2], getMetadataGroupId(newInstances[2]));
        assertNotNull(group);
        Collection<CPMember> endpoints = group.members();
        for (HazelcastInstance instance : newInstances) {
            Member localMember = instance.getCluster().getLocalMember();
            assertThat(new CPMemberInfo(localMember), isIn(endpoints));
        }
    });
}

Example 17 with IAtomicLong

use of com.hazelcast.cp.IAtomicLong in project hazelcast by hazelcast.

the class AtomicLongBasicTest method testCreate_withDefaultGroup.

@Test
public void testCreate_withDefaultGroup() {
    IAtomicLong atomicLong = createAtomicLong(randomName());
    assertEquals(DEFAULT_GROUP_NAME, getGroupId(atomicLong).getName());
}

Example 18 with IAtomicLong

use of com.hazelcast.cp.IAtomicLong in project hazelcast by hazelcast.

the class AtomicLongSplitBrainTest method onAfterSplitBrainHealed.

@Override
protected void onAfterSplitBrainHealed(HazelcastInstance[] instances) throws Exception {
    sleepSeconds(3);
    done.set(true);
    for (Future future : futures) {
        assertCompletesEventually(future);
        future.get();
    }
    IAtomicLong atomic = instances[0].getCPSubsystem().getAtomicLong(name);
    assertThat(atomic.get(), greaterThanOrEqualTo(increments.get()));
    assertThat(atomic.get(), lessThanOrEqualTo(increments.get() + indeterminate.get()));
}

Example 19 with IAtomicLong

use of com.hazelcast.cp.IAtomicLong in project hazelcast by hazelcast.

the class ExecutorServiceTest method testSubmitToAllMembersCallable.

@Test
public void testSubmitToAllMembersCallable() {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(NODE_COUNT);
    HazelcastInstance[] instances = factory.newInstances(smallInstanceConfig());
    final AtomicInteger count = new AtomicInteger(0);
    final CountDownLatch countDownLatch = new CountDownLatch(NODE_COUNT * NODE_COUNT);
    MultiExecutionCallback callback = new MultiExecutionCallback() {

        public void onResponse(Member member, Object value) {
            count.incrementAndGet();
            countDownLatch.countDown();
        }

        public void onComplete(Map<Member, Object> values) {
        }
    };
    for (int i = 0; i < NODE_COUNT; i++) {
        IExecutorService service = instances[i].getExecutorService("testSubmitToAllMembersCallable");
        service.submitToAllMembers(new IncrementAtomicLongCallable("testSubmitToAllMembersCallable"), callback);
    }
    assertOpenEventually(countDownLatch);
    IAtomicLong result = instances[0].getCPSubsystem().getAtomicLong("testSubmitToAllMembersCallable");
    assertEquals(NODE_COUNT * NODE_COUNT, result.get());
    assertEquals(NODE_COUNT * NODE_COUNT, count.get());
}

Example 20 with IAtomicLong

use of com.hazelcast.cp.IAtomicLong in project hazelcast by hazelcast.

the class SmallClusterTest method submitToMembers_runnable.

@Test
public void submitToMembers_runnable() {
    int sum = 0;
    Set<Member> membersSet = instances[0].getCluster().getMembers();
    Member[] members = membersSet.toArray(new Member[0]);
    Random random = new Random();
    ResponseCountingMultiExecutionCallback callback = new ResponseCountingMultiExecutionCallback(instances.length);
    for (HazelcastInstance instance : instances) {
        IExecutorService service = instance.getExecutorService("testSubmitToMembersRunnable");
        int n = random.nextInt(instances.length) + 1;
        sum += n;
        Member[] m = new Member[n];
        System.arraycopy(members, 0, m, 0, n);
        service.submitToMembers(new IncrementAtomicLongRunnable("testSubmitToMembersRunnable"), Arrays.asList(m), callback);
    }
    assertOpenEventually(callback.getLatch());
    IAtomicLong result = instances[0].getCPSubsystem().getAtomicLong("testSubmitToMembersRunnable");
    assertEquals(sum, result.get());
    assertEquals(sum, callback.getCount());
}