Examples with MembershipEvent com.hazelcast.core.MembershipEvent used on opensource projects

Example 11 with MembershipEvent

use of com.hazelcast.core.MembershipEvent in project hazelcast by hazelcast.

the class SplitBrainHandlerTest method testClusterMerge_when_split_not_detected_by_slave_and_restart_during_merge.

@Test
public // https://github.com/hazelcast/hazelcast/issues/8137
void testClusterMerge_when_split_not_detected_by_slave_and_restart_during_merge() throws InterruptedException {
    Config config = new Config();
    String groupName = generateRandomString(10);
    config.getGroupConfig().setName(groupName);
    config.setProperty(GroupProperty.MERGE_FIRST_RUN_DELAY_SECONDS.getName(), "10");
    config.setProperty(GroupProperty.MERGE_NEXT_RUN_DELAY_SECONDS.getName(), "10");
    config.setProperty(GroupProperty.MAX_NO_HEARTBEAT_SECONDS.getName(), "15");
    config.setProperty(GroupProperty.MAX_JOIN_SECONDS.getName(), "40");
    config.setProperty(GroupProperty.MAX_JOIN_MERGE_TARGET_SECONDS.getName(), "10");
    NetworkConfig networkConfig = config.getNetworkConfig();
    networkConfig.getJoin().getMulticastConfig().setEnabled(false);
    networkConfig.getJoin().getTcpIpConfig().setEnabled(true).addMember("127.0.0.1:5701").addMember("127.0.0.1:5702").addMember("127.0.0.1:5703");
    networkConfig.setPort(5702);
    HazelcastInstance hz2 = newHazelcastInstance(config, "test-node2", new FirewallingNodeContext());
    networkConfig.setPort(5703);
    HazelcastInstance hz3 = newHazelcastInstance(config, "test-node3", new FirewallingNodeContext());
    networkConfig.setPort(5701);
    HazelcastInstance hz1 = newHazelcastInstance(config, "test-node1", new FirewallingNodeContext());
    final Node n1 = TestUtil.getNode(hz1);
    Node n2 = TestUtil.getNode(hz2);
    Node n3 = TestUtil.getNode(hz3);
    final CountDownLatch splitLatch = new CountDownLatch(2);
    MembershipAdapter membershipAdapter = new MembershipAdapter() {

        @Override
        public void memberRemoved(MembershipEvent event) {
            if (n1.getLocalMember().equals(event.getMember())) {
                splitLatch.countDown();
            }
        }
    };
    hz2.getCluster().addMembershipListener(membershipAdapter);
    hz3.getCluster().addMembershipListener(membershipAdapter);
    final CountDownLatch mergingLatch = new CountDownLatch(1);
    final CountDownLatch mergeLatch = new CountDownLatch(1);
    LifecycleListener lifecycleListener = new LifecycleListener() {

        @Override
        public void stateChanged(LifecycleEvent event) {
            if (event.getState() == LifecycleState.MERGING) {
                mergingLatch.countDown();
            }
            if (event.getState() == LifecycleState.MERGED) {
                mergeLatch.countDown();
            }
        }
    };
    hz1.getLifecycleService().addLifecycleListener(lifecycleListener);
    FirewallingTcpIpConnectionManager cm1 = getFireWalledConnectionManager(hz1);
    FirewallingTcpIpConnectionManager cm2 = getFireWalledConnectionManager(hz2);
    FirewallingTcpIpConnectionManager cm3 = getFireWalledConnectionManager(hz3);
    cm1.block(n2.address);
    cm1.block(n3.address);
    n2.clusterService.removeAddress(n1.address, null);
    n3.clusterService.removeAddress(n1.address, null);
    cm2.block(n1.address);
    cm3.block(n1.address);
    assertTrue(splitLatch.await(20, TimeUnit.SECONDS));
    assertEquals(2, hz2.getCluster().getMembers().size());
    assertEquals(2, hz3.getCluster().getMembers().size());
    assertEquals(3, hz1.getCluster().getMembers().size());
    cm1.unblock(n2.address);
    cm1.unblock(n3.address);
    cm2.unblock(n1.address);
    cm3.unblock(n1.address);
    assertTrue(mergingLatch.await(60, TimeUnit.SECONDS));
    hz2.getLifecycleService().terminate();
    hz2 = newHazelcastInstance(config, "test-node2", new FirewallingNodeContext());
    n2 = TestUtil.getNode(hz2);
    assertTrue(mergeLatch.await(120, TimeUnit.SECONDS));
    assertEquals(3, hz1.getCluster().getMembers().size());
    assertEquals(3, hz2.getCluster().getMembers().size());
    assertEquals(3, hz3.getCluster().getMembers().size());
    assertEquals(n3.getThisAddress(), n1.getMasterAddress());
    assertEquals(n3.getThisAddress(), n2.getMasterAddress());
    assertEquals(n3.getThisAddress(), n3.getMasterAddress());
}

Example 12 with MembershipEvent

use of com.hazelcast.core.MembershipEvent in project hazelcast by hazelcast.

the class SplitBrainHandlerTest method testClusterMerge_when_split_not_detected_by_slave.

@Test
public // https://github.com/hazelcast/hazelcast/issues/8137
void testClusterMerge_when_split_not_detected_by_slave() throws InterruptedException {
    Config config = new Config();
    String groupName = generateRandomString(10);
    config.getGroupConfig().setName(groupName);
    config.setProperty(GroupProperty.MERGE_FIRST_RUN_DELAY_SECONDS.getName(), "10");
    config.setProperty(GroupProperty.MERGE_NEXT_RUN_DELAY_SECONDS.getName(), "10");
    config.setProperty(GroupProperty.MAX_NO_HEARTBEAT_SECONDS.getName(), "15");
    config.setProperty(GroupProperty.MAX_JOIN_SECONDS.getName(), "10");
    config.setProperty(GroupProperty.MAX_JOIN_MERGE_TARGET_SECONDS.getName(), "10");
    NetworkConfig networkConfig = config.getNetworkConfig();
    networkConfig.getJoin().getMulticastConfig().setEnabled(false);
    networkConfig.getJoin().getTcpIpConfig().setEnabled(true).addMember("127.0.0.1");
    HazelcastInstance hz1 = newHazelcastInstance(config, "test-node1", new FirewallingNodeContext());
    HazelcastInstance hz2 = newHazelcastInstance(config, "test-node2", new FirewallingNodeContext());
    HazelcastInstance hz3 = newHazelcastInstance(config, "test-node3", new FirewallingNodeContext());
    Node n1 = TestUtil.getNode(hz1);
    Node n2 = TestUtil.getNode(hz2);
    final Node n3 = TestUtil.getNode(hz3);
    final CountDownLatch splitLatch = new CountDownLatch(2);
    MembershipAdapter membershipAdapter = new MembershipAdapter() {

        @Override
        public void memberRemoved(MembershipEvent event) {
            if (n3.getLocalMember().equals(event.getMember())) {
                splitLatch.countDown();
            }
        }
    };
    hz1.getCluster().addMembershipListener(membershipAdapter);
    hz2.getCluster().addMembershipListener(membershipAdapter);
    final CountDownLatch mergeLatch = new CountDownLatch(1);
    hz3.getLifecycleService().addLifecycleListener(new MergedEventLifeCycleListener(mergeLatch));
    FirewallingTcpIpConnectionManager cm1 = getFireWalledConnectionManager(hz1);
    FirewallingTcpIpConnectionManager cm2 = getFireWalledConnectionManager(hz2);
    FirewallingTcpIpConnectionManager cm3 = getFireWalledConnectionManager(hz3);
    cm3.block(n1.address);
    cm3.block(n2.address);
    n1.clusterService.removeAddress(n3.address, null);
    n2.clusterService.removeAddress(n3.address, null);
    cm1.block(n3.address);
    cm2.block(n3.address);
    assertTrue(splitLatch.await(30, TimeUnit.SECONDS));
    assertEquals(2, hz1.getCluster().getMembers().size());
    assertEquals(2, hz2.getCluster().getMembers().size());
    assertEquals(3, hz3.getCluster().getMembers().size());
    cm3.unblock(n1.address);
    cm1.unblock(n3.address);
    cm2.unblock(n3.address);
    assertTrue(mergeLatch.await(120, TimeUnit.SECONDS));
    assertEquals(3, hz1.getCluster().getMembers().size());
    assertEquals(3, hz2.getCluster().getMembers().size());
    assertEquals(3, hz3.getCluster().getMembers().size());
    assertEquals(n1.getThisAddress(), n1.getMasterAddress());
    assertEquals(n1.getThisAddress(), n2.getMasterAddress());
    assertEquals(n1.getThisAddress(), n3.getMasterAddress());
}

Example 13 with MembershipEvent

use of com.hazelcast.core.MembershipEvent in project hazelcast by hazelcast.

the class ClusterMembershipTest method assertMembershipEvent.

public void assertMembershipEvent(EventObject e, int type, Member changedMember, Member... expectedMembers) {
    assertTrue(e instanceof MembershipEvent);
    MembershipEvent membershipEvent = (MembershipEvent) e;
    Set<Member> foundMembers = membershipEvent.getMembers();
    assertEquals(type, membershipEvent.getEventType());
    assertEquals(changedMember, membershipEvent.getMember());
    assertEquals(new HashSet<Member>(Arrays.asList(expectedMembers)), foundMembers);
}

Example 14 with MembershipEvent

use of com.hazelcast.core.MembershipEvent in project hazelcast by hazelcast.

the class PartitionedCluster method splitFiveMembersThreeAndTwo.

public PartitionedCluster splitFiveMembersThreeAndTwo() throws Exception {
    final CountDownLatch splitLatch = new CountDownLatch(6);
    h4.getCluster().addMembershipListener(new MembershipAdapter() {

        @Override
        public void memberRemoved(MembershipEvent membershipEvent) {
            splitLatch.countDown();
        }
    });
    h5.getCluster().addMembershipListener(new MembershipAdapter() {

        @Override
        public void memberRemoved(MembershipEvent membershipEvent) {
            splitLatch.countDown();
        }
    });
    splitCluster();
    assertTrue(splitLatch.await(30, TimeUnit.SECONDS));
    assertEquals(3, h1.getCluster().getMembers().size());
    assertEquals(3, h2.getCluster().getMembers().size());
    assertEquals(3, h3.getCluster().getMembers().size());
    assertEquals(2, h4.getCluster().getMembers().size());
    assertEquals(2, h5.getCluster().getMembers().size());
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            assertFalse(h4.getQuorumService().getQuorum(SUCCESSFUL_SPLIT_TEST_QUORUM_NAME).isPresent());
            assertFalse(h5.getQuorumService().getQuorum(SUCCESSFUL_SPLIT_TEST_QUORUM_NAME).isPresent());
        }
    });
    return this;
}

Example 15 with MembershipEvent

use of com.hazelcast.core.MembershipEvent in project hazelcast by hazelcast.

the class ClusterServiceImpl method sendMembershipEventNotifications.

private void sendMembershipEventNotifications(MemberImpl member, Set<Member> members, final boolean added) {
    int eventType = added ? MembershipEvent.MEMBER_ADDED : MembershipEvent.MEMBER_REMOVED;
    MembershipEvent membershipEvent = new MembershipEvent(this, member, eventType, members);
    Collection<MembershipAwareService> membershipAwareServices = nodeEngine.getServices(MembershipAwareService.class);
    if (membershipAwareServices != null && !membershipAwareServices.isEmpty()) {
        final MembershipServiceEvent event = new MembershipServiceEvent(membershipEvent);
        for (final MembershipAwareService service : membershipAwareServices) {
            nodeEngine.getExecutionService().execute(MEMBERSHIP_EVENT_EXECUTOR_NAME, new Runnable() {

                public void run() {
                    if (added) {
                        service.memberAdded(event);
                    } else {
                        service.memberRemoved(event);
                    }
                }
            });
        }
    }
    EventService eventService = nodeEngine.getEventService();
    Collection<EventRegistration> registrations = eventService.getRegistrations(SERVICE_NAME, SERVICE_NAME);
    for (EventRegistration reg : registrations) {
        eventService.publishEvent(SERVICE_NAME, reg, membershipEvent, reg.getId().hashCode());
    }
}