//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void majorityOfNonSuspectedInstancesShouldBeEnoughToMarkAnInstanceAsFailed()
public virtual void MajorityOfNonSuspectedInstancesShouldBeEnoughToMarkAnInstanceAsFailed()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId member2 = new InstanceId(2);
InstanceId member3 = new InstanceId(3);
InstanceId member4 = new InstanceId(4);
InstanceId member5 = new InstanceId(5);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(5));
when(configuration.MemberIds).thenReturn(ids(5));
DelayedDirectExecutor executor = new DelayedDirectExecutor(NullLogProvider.Instance);
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, executor);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<org.neo4j.cluster.InstanceId> failed = new java.util.ArrayList<>(4);
IList <InstanceId> failed = new List <InstanceId>(4);
HeartbeatListener listener = new HeartbeatListenerAnonymousInnerClass2(this, failed);
context.AddHeartbeatListener(listener);
// when
// just two suspicions come, no extra failing action should be taken since this is not majority
context.Suspect(member2);
context.Suspect(member3);
executor.Drain();
// then
assertEquals(0, failed.Count);
// when
// the another instance suspects them, therefore have a majority of non suspected, then 2 and 3 must fail
ISet <InstanceId> suspicionsFrom5 = new HashSet <InstanceId>();
suspicionsFrom5.Add(member2);
suspicionsFrom5.Add(member3);
context.Suspicions(member5, suspicionsFrom5);
executor.Drain();
// then
assertEquals(2, failed.Count);
assertTrue(failed.Contains(member2));
assertTrue(failed.Contains(member3));
// when
// an instance sends a heartbeat, it should be set as alive
context.Alive(member2);
executor.Drain();
// then
assertEquals(1, failed.Count);
assertTrue(failed.Contains(member3));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailAndAliveBothNotifyHeartbeatListenerInDelayedDirectExecutor()
public virtual void ShouldFailAndAliveBothNotifyHeartbeatListenerInDelayedDirectExecutor()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId failedMachine = new InstanceId(2);
InstanceId goodMachine = new InstanceId(3);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(3));
when(configuration.MemberIds).thenReturn(ids(3));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<Runnable> runnables = new java.util.ArrayList<>();
IList <ThreadStart> runnables = new List <ThreadStart>();
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, new DelayedDirectExecutorAnonymousInnerClass(this, NullLogProvider.Instance, runnables));
context.AddHeartbeatListener(mock(typeof(HeartbeatListener)));
context.Suspicions(goodMachine, new HashSet <InstanceId>(singletonList(failedMachine)));
context.Suspect(failedMachine); // fail
context.Alive(failedMachine); // alive
// Then
assertEquals(2, runnables.Count); // fail + alive
}
private MultiPaxosContext(ProposerContextImpl proposerContext, AcceptorContextImpl acceptorContext, LearnerContextImpl learnerContext, HeartbeatContextImpl heartbeatContext, ElectionContextImpl electionContext, AtomicBroadcastContextImpl atomicBroadcastContext, CommonContextState commonState, PaxosInstanceStore paxosInstances, ClusterContextImpl clusterContext)
{
this._clusterContext = clusterContext;
this._proposerContext = proposerContext;
this._acceptorContext = acceptorContext;
this._learnerContext = learnerContext;
this._heartbeatContext = heartbeatContext;
this._electionContext = electionContext;
this._atomicBroadcastContext = atomicBroadcastContext;
this._commonState = commonState;
this._paxosInstances = paxosInstances;
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailAllInstancesIfAllOtherInstancesAreSuspected()
public virtual void ShouldFailAllInstancesIfAllOtherInstancesAreSuspected()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId member2 = new InstanceId(2);
InstanceId member3 = new InstanceId(3);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(3));
when(configuration.MemberIds).thenReturn(ids(3));
DelayedDirectExecutor executor = new DelayedDirectExecutor(NullLogProvider.Instance);
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, executor);
IList <InstanceId> failed = new List <InstanceId>(2);
HeartbeatListener listener = new HeartbeatListenerAnonymousInnerClass(this, failed);
context.AddHeartbeatListener(listener);
// when
// just one suspicion comes, no extra failing action should be taken
context.Suspect(member2);
executor.Drain();
// then
assertEquals(0, failed.Count);
// when
// the other instance is suspected, all instances must be marked as failed
context.Suspect(member3);
executor.Drain();
// then
assertEquals(2, failed.Count);
assertTrue(failed.Contains(member2));
assertTrue(failed.Contains(member3));
// when
// one of them comes alive again, only that instance should be marked as alive
context.Alive(member2);
executor.Drain();
// then
assertEquals(1, failed.Count);
assertTrue(failed.Contains(member3));
}
public MultiPaxosContext(InstanceId me, IEnumerable <ElectionRole> roles, ClusterConfiguration configuration, Executor executor, LogProvider logging, ObjectInputStreamFactory objectInputStreamFactory, ObjectOutputStreamFactory objectOutputStreamFactory, AcceptorInstanceStore instanceStore, Timeouts timeouts, ElectionCredentialsProvider electionCredentialsProvider, Config config)
{
_commonState = new CommonContextState(configuration, config.Get(ClusterSettings.max_acceptors));
_paxosInstances = new PaxosInstanceStore();
_heartbeatContext = new HeartbeatContextImpl(me, _commonState, logging, timeouts, executor);
_learnerContext = new LearnerContextImpl(me, _commonState, logging, timeouts, _paxosInstances, instanceStore, objectInputStreamFactory, objectOutputStreamFactory, _heartbeatContext);
_clusterContext = new ClusterContextImpl(me, _commonState, logging, timeouts, executor, objectOutputStreamFactory, objectInputStreamFactory, _learnerContext, _heartbeatContext, config);
_electionContext = new ElectionContextImpl(me, _commonState, logging, timeouts, roles, _clusterContext, _heartbeatContext, electionCredentialsProvider);
_proposerContext = new ProposerContextImpl(me, _commonState, logging, timeouts, _paxosInstances, _heartbeatContext);
_acceptorContext = new AcceptorContextImpl(me, _commonState, logging, timeouts, instanceStore);
_atomicBroadcastContext = new AtomicBroadcastContextImpl(me, _commonState, logging, timeouts, executor, _heartbeatContext);
_heartbeatContext.setCircularDependencies(_clusterContext, _learnerContext);
}
/// <summary>
/// Create a state snapshot. The snapshot will not duplicate services, and expects the caller to duplicate
/// <seealso cref="AcceptorInstanceStore"/>, since that is externally provided.
/// </summary>
public virtual MultiPaxosContext Snapshot(LogProvider logging, Timeouts timeouts, Executor executor, AcceptorInstanceStore instanceStore, ObjectInputStreamFactory objectInputStreamFactory, ObjectOutputStreamFactory objectOutputStreamFactory, ElectionCredentialsProvider electionCredentialsProvider)
{
CommonContextState commonStateSnapshot = _commonState.snapshot(logging.GetLog(typeof(ClusterConfiguration)));
PaxosInstanceStore paxosInstancesSnapshot = _paxosInstances.snapshot();
HeartbeatContextImpl snapshotHeartbeatContext = _heartbeatContext.snapshot(commonStateSnapshot, logging, timeouts, executor);
LearnerContextImpl snapshotLearnerContext = _learnerContext.snapshot(commonStateSnapshot, logging, timeouts, paxosInstancesSnapshot, instanceStore, objectInputStreamFactory, objectOutputStreamFactory, snapshotHeartbeatContext);
ClusterContextImpl snapshotClusterContext = _clusterContext.snapshot(commonStateSnapshot, logging, timeouts, executor, objectOutputStreamFactory, objectInputStreamFactory, snapshotLearnerContext, snapshotHeartbeatContext);
ElectionContextImpl snapshotElectionContext = _electionContext.snapshot(commonStateSnapshot, logging, timeouts, snapshotClusterContext, snapshotHeartbeatContext, electionCredentialsProvider);
ProposerContextImpl snapshotProposerContext = _proposerContext.snapshot(commonStateSnapshot, logging, timeouts, paxosInstancesSnapshot, _heartbeatContext);
AcceptorContextImpl snapshotAcceptorContext = _acceptorContext.snapshot(commonStateSnapshot, logging, timeouts, instanceStore);
AtomicBroadcastContextImpl snapshotAtomicBroadcastContext = _atomicBroadcastContext.snapshot(commonStateSnapshot, logging, timeouts, executor, snapshotHeartbeatContext);
snapshotHeartbeatContext.SetCircularDependencies(snapshotClusterContext, snapshotLearnerContext);
return(new MultiPaxosContext(snapshotProposerContext, snapshotAcceptorContext, snapshotLearnerContext, snapshotHeartbeatContext, snapshotElectionContext, snapshotAtomicBroadcastContext, commonStateSnapshot, paxosInstancesSnapshot, snapshotClusterContext));
}
public override bool Equals(object o)
{
if (this == o)
{
return(true);
}
if (o == null || this.GetType() != o.GetType())
{
return(false);
}
HeartbeatContextImpl that = ( HeartbeatContextImpl )o;
if (_failed != null ?!_failed.SetEquals(that._failed) : that._failed != null)
{
return(false);
}
return(_nodeSuspicions != null?_nodeSuspicions.Equals(that._nodeSuspicions) : that._nodeSuspicions == null);
}
public virtual ElectionContextImpl Snapshot(CommonContextState commonStateSnapshot, LogProvider logging, Timeouts timeouts, ClusterContextImpl snapshotClusterContext, HeartbeatContextImpl snapshotHeartbeatContext, ElectionCredentialsProvider credentialsProvider)
{
IDictionary <string, Election> electionsSnapshot = new Dictionary <string, Election>();
foreach (KeyValuePair <string, Election> election in _elections.SetOfKeyValuePairs())
{
electionsSnapshot[election.Key] = election.Value.snapshot();
}
return(new ElectionContextImpl(Me, commonStateSnapshot, logging, timeouts, snapshotClusterContext, snapshotHeartbeatContext, new List <ElectionRole>(_roles), electionsSnapshot, credentialsProvider));
}
public virtual LearnerContextImpl Snapshot(CommonContextState commonStateSnapshot, LogProvider logging, Timeouts timeouts, PaxosInstanceStore paxosInstancesSnapshot, AcceptorInstanceStore instanceStore, ObjectInputStreamFactory objectInputStreamFactory, ObjectOutputStreamFactory objectOutputStreamFactory, HeartbeatContextImpl snapshotHeartbeatContext)
{
return(new LearnerContextImpl(Me, commonStateSnapshot, logging, timeouts, _lastDeliveredInstanceId, _lastLearnedInstanceId, snapshotHeartbeatContext, instanceStore, objectInputStreamFactory, objectOutputStreamFactory, paxosInstancesSnapshot));
}
public virtual ClusterContextImpl Snapshot(CommonContextState commonStateSnapshot, LogProvider logging, Timeouts timeouts, Executor executor, ObjectOutputStreamFactory objectOutputStreamFactory, ObjectInputStreamFactory objectInputStreamFactory, LearnerContextImpl snapshotLearnerContext, HeartbeatContextImpl snapshotHeartbeatContext)
{
return(new ClusterContextImpl(Me, commonStateSnapshot, logging, timeouts, _joiningInstances == null ? null : new List <>(asList(_joiningInstances)), _joinDeniedConfigurationResponseState == null ? null : _joinDeniedConfigurationResponseState.snapshot(), executor, objectOutputStreamFactory, objectInputStreamFactory, snapshotLearnerContext, snapshotHeartbeatContext, _config));
}
