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

Example 6 with MembershipListener

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

the class AbstractListenersOnReconnectTest method testListenersTerminateRandomNode.

private void testListenersTerminateRandomNode() {
    setupListener();
    terminateRandomNode();
    HazelcastClientInstanceImpl clientInstanceImpl = getHazelcastClientInstanceImpl(client);
    final CountDownLatch memberAddedLatch = new CountDownLatch(1);
    clientInstanceImpl.getClientClusterService().addMembershipListener(new MembershipListener() {

        @Override
        public void memberAdded(MembershipEvent membershipEvent) {
            memberAddedLatch.countDown();
        }

        @Override
        public void memberRemoved(MembershipEvent membershipEvent) {
        }

        @Override
        public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) {
        }
    });
    factory.newHazelcastInstance();
    assertOpenEventually(memberAddedLatch);
    validateRegistrationsAndListenerFunctionality();
}

Example 7 with MembershipListener

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

the class ClusterMembershipTest method testAddMembershipListener_whenListenerRegisteredTwice.

@Test
public void testAddMembershipListener_whenListenerRegisteredTwice() {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance hz1 = factory.newHazelcastInstance();
    Cluster cluster = hz1.getCluster();
    final MembershipListener membershipListener = mock(MembershipListener.class);
    String id1 = cluster.addMembershipListener(membershipListener);
    String id2 = cluster.addMembershipListener(membershipListener);
    // first we check if the registration id's are different
    assertNotEquals(id1, id2);
    // an now we make sure that if a member joins the cluster, the same interface gets invoked twice.
    HazelcastInstance hz2 = factory.newHazelcastInstance();
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            //now we verify that the memberAdded method is called twice.
            verify(membershipListener, times(2)).memberAdded(any(MembershipEvent.class));
        }
    });
}

Example 8 with MembershipListener

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

the class MemberAttributeTest method testAddAttributes.

@Test(timeout = 120000)
public void testAddAttributes() throws Exception {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance h1 = factory.newHazelcastInstance();
    Member m1 = h1.getCluster().getLocalMember();
    m1.setIntAttribute("Test", 123);
    HazelcastInstance h2 = factory.newHazelcastInstance();
    assertEquals(2, h2.getCluster().getMembers().size());
    Member member = null;
    for (Member m : h2.getCluster().getMembers()) {
        if (m == h2.getCluster().getLocalMember())
            continue;
        member = m;
    }
    assertNotNull(member);
    assertEquals(m1, member);
    assertNotNull(member.getIntAttribute("Test"));
    assertEquals(123, (int) member.getIntAttribute("Test"));
    final CountDownLatch latch = new CountDownLatch(2);
    final MembershipListener listener = new LatchMembershipListener(latch);
    h2.getCluster().addMembershipListener(listener);
    h1.getCluster().addMembershipListener(listener);
    m1.setIntAttribute("Test2", 321);
    // Force sleep to distribute value
    assertOpenEventually(latch);
    assertNotNull(member.getIntAttribute("Test2"));
    assertEquals(321, (int) member.getIntAttribute("Test2"));
    h1.shutdown();
    h2.shutdown();
}

Example 9 with MembershipListener

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

the class MemberAttributeTest method testRemoveAttributes.

@Test(timeout = 120000)
public void testRemoveAttributes() throws Exception {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance h1 = factory.newHazelcastInstance();
    Member m1 = h1.getCluster().getLocalMember();
    m1.setIntAttribute("Test", 123);
    HazelcastInstance h2 = factory.newHazelcastInstance();
    assertEquals(2, h2.getCluster().getMembers().size());
    Member member = null;
    for (Member m : h2.getCluster().getMembers()) {
        if (m == h2.getCluster().getLocalMember())
            continue;
        member = m;
    }
    assertNotNull(member);
    assertEquals(m1, member);
    assertNotNull(member.getIntAttribute("Test"));
    assertEquals(123, (int) member.getIntAttribute("Test"));
    final CountDownLatch latch = new CountDownLatch(2);
    final MembershipListener listener = new LatchMembershipListener(latch);
    h2.getCluster().addMembershipListener(listener);
    h1.getCluster().addMembershipListener(listener);
    m1.removeAttribute("Test");
    // Force sleep to distribute value
    assertOpenEventually(latch);
    assertNull(member.getIntAttribute("Test"));
    h1.shutdown();
    h2.shutdown();
}

Example 10 with MembershipListener

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

the class MemberAttributeTest method testChangeAttributes.

@Test(timeout = 120000)
public void testChangeAttributes() throws Exception {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance h1 = factory.newHazelcastInstance();
    Member m1 = h1.getCluster().getLocalMember();
    m1.setIntAttribute("Test", 123);
    HazelcastInstance h2 = factory.newHazelcastInstance();
    assertEquals(2, h2.getCluster().getMembers().size());
    Member member = null;
    for (Member m : h2.getCluster().getMembers()) {
        if (m == h2.getCluster().getLocalMember())
            continue;
        member = m;
    }
    assertNotNull(member);
    assertEquals(m1, member);
    assertNotNull(member.getIntAttribute("Test"));
    assertEquals(123, (int) member.getIntAttribute("Test"));
    final CountDownLatch latch = new CountDownLatch(2);
    final MembershipListener listener = new LatchMembershipListener(latch);
    h2.getCluster().addMembershipListener(listener);
    h1.getCluster().addMembershipListener(listener);
    m1.setIntAttribute("Test", 321);
    // Force sleep to distribute value
    assertOpenEventually(latch);
    assertNotNull(member.getIntAttribute("Test"));
    assertEquals(321, (int) member.getIntAttribute("Test"));
    h1.shutdown();
    h2.shutdown();
}