Examples with InstanceId org.neo4j.cluster.InstanceId used on opensource projects

Example 66 with InstanceId

use of org.neo4j.cluster.InstanceId in project neo4j by neo4j.

the class ElectionContextTest method testElectionNotOkQuorumFailedFourInstances.

@Test
public void testElectionNotOkQuorumFailedFourInstances() {
    Set<InstanceId> failed = new HashSet<InstanceId>();
    failed.add(new InstanceId(2));
    failed.add(new InstanceId(3));
    Map<InstanceId, URI> members = new HashMap<InstanceId, URI>();
    members.put(new InstanceId(1), URI.create("server1"));
    members.put(new InstanceId(2), URI.create("server2"));
    members.put(new InstanceId(3), URI.create("server3"));
    members.put(new InstanceId(4), URI.create("server4"));
    Config config = mock(Config.class);
    when(config.get(ClusterSettings.max_acceptors)).thenReturn(10);
    ClusterConfiguration clusterConfiguration = mock(ClusterConfiguration.class);
    when(clusterConfiguration.getMembers()).thenReturn(members);
    ClusterContext clusterContext = mock(ClusterContext.class);
    when(clusterContext.getConfiguration()).thenReturn(clusterConfiguration);
    MultiPaxosContext context = new MultiPaxosContext(new InstanceId(1), Iterables.iterable(new ElectionRole("coordinator")), clusterConfiguration, mock(Executor.class), NullLogProvider.getInstance(), mock(ObjectInputStreamFactory.class), mock(ObjectOutputStreamFactory.class), mock(AcceptorInstanceStore.class), mock(Timeouts.class), mock(ElectionCredentialsProvider.class), config);
    context.getHeartbeatContext().getFailed().addAll(failed);
    ElectionContext toTest = context.getElectionContext();
    assertFalse(toTest.electionOk());
}

Example 67 with InstanceId

use of org.neo4j.cluster.InstanceId in project neo4j by neo4j.

the class ElectionContextTest method electionBeingForgottenMustIncreaseElectionId.

@Test
public void electionBeingForgottenMustIncreaseElectionId() throws Exception {
    // Given
    final String coordinatorRole = "coordinator";
    HeartbeatContext heartbeatContext = mock(HeartbeatContext.class);
    when(heartbeatContext.getFailed()).thenReturn(Collections.<InstanceId>emptySet());
    Config config = mock(Config.class);
    when(config.get(ClusterSettings.max_acceptors)).thenReturn(10);
    ElectionContext context = new MultiPaxosContext(new InstanceId(1), Iterables.iterable(new ElectionRole(coordinatorRole)), mock(ClusterConfiguration.class), mock(Executor.class), NullLogProvider.getInstance(), mock(ObjectInputStreamFactory.class), mock(ObjectOutputStreamFactory.class), mock(AcceptorInstanceStore.class), mock(Timeouts.class), mock(ElectionCredentialsProvider.class), config).getElectionContext();
    ElectionContext.VoteRequest voteRequestBefore = context.voteRequestForRole(new ElectionRole(coordinatorRole));
    context.forgetElection(coordinatorRole);
    ElectionContext.VoteRequest voteRequestAfter = context.voteRequestForRole(new ElectionRole(coordinatorRole));
    assertEquals(voteRequestBefore.getVersion() + 1, voteRequestAfter.getVersion());
}

Example 68 with InstanceId

use of org.neo4j.cluster.InstanceId in project neo4j by neo4j.

the class ElectionContextTest method testElectionNotOkMoreThanQuorumFailed.

@Test
public void testElectionNotOkMoreThanQuorumFailed() {
    Set<InstanceId> failed = new HashSet<InstanceId>();
    failed.add(new InstanceId(1));
    failed.add(new InstanceId(2));
    baseTestForElectionOk(failed, true);
}

Example 69 with InstanceId

use of org.neo4j.cluster.InstanceId in project neo4j by neo4j.

the class ElectionContextTest method testElectionNotOkQuorumFailedFiveInstances.

@Test
public void testElectionNotOkQuorumFailedFiveInstances() {
    Set<InstanceId> failed = new HashSet<InstanceId>();
    failed.add(new InstanceId(2));
    failed.add(new InstanceId(3));
    failed.add(new InstanceId(4));
    Map<InstanceId, URI> members = new HashMap<InstanceId, URI>();
    members.put(new InstanceId(1), URI.create("server1"));
    members.put(new InstanceId(2), URI.create("server2"));
    members.put(new InstanceId(3), URI.create("server3"));
    members.put(new InstanceId(4), URI.create("server4"));
    members.put(new InstanceId(5), URI.create("server5"));
    Config config = mock(Config.class);
    when(config.get(ClusterSettings.max_acceptors)).thenReturn(10);
    ClusterConfiguration clusterConfiguration = mock(ClusterConfiguration.class);
    when(clusterConfiguration.getMembers()).thenReturn(members);
    ClusterContext clusterContext = mock(ClusterContext.class);
    when(clusterContext.getConfiguration()).thenReturn(clusterConfiguration);
    MultiPaxosContext context = new MultiPaxosContext(new InstanceId(1), Iterables.iterable(new ElectionRole("coordinator")), clusterConfiguration, mock(Executor.class), NullLogProvider.getInstance(), mock(ObjectInputStreamFactory.class), mock(ObjectOutputStreamFactory.class), mock(AcceptorInstanceStore.class), mock(Timeouts.class), mock(ElectionCredentialsProvider.class), config);
    context.getHeartbeatContext().getFailed().addAll(failed);
    ElectionContext toTest = context.getElectionContext();
    assertFalse(toTest.electionOk());
}

Example 70 with InstanceId

use of org.neo4j.cluster.InstanceId in project neo4j by neo4j.

the class SnapshotStateTest method testNoSnapshotRequestIfCoordinatorInExistingCluster.

@Test
public void testNoSnapshotRequestIfCoordinatorInExistingCluster() throws Throwable {
    Map<InstanceId, URI> extraMember = new HashMap<InstanceId, URI>();
    URI other = URI.create("cluster://other");
    extraMember.put(new InstanceId(2), other);
    baseNoSendTest(extraMember);
}