/*
* This test ensures that an instance that cleanly leaves the cluster but is not the elector has no effect on
* elector id and last version
*/
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void nonElectorLeavingTheClusterMustNotAffectElectorInformation()
public virtual void NonElectorLeavingTheClusterMustNotAffectElectorInformation()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId elector = new InstanceId(2);
InstanceId other = new InstanceId(3);
ClusterConfiguration clusterConfiguration = mock(typeof(ClusterConfiguration));
when(clusterConfiguration.GetUriForId(other)).thenReturn(URI.create("cluster://instance2"));
CommonContextState commonContextState = mock(typeof(CommonContextState));
when(commonContextState.Configuration()).thenReturn(clusterConfiguration);
ClusterContext context = new ClusterContextImpl(me, commonContextState, NullLogProvider.Instance, mock(typeof(Timeouts)), mock(typeof(Executor)), mock(typeof(ObjectOutputStreamFactory)), mock(typeof(ObjectInputStreamFactory)), mock(typeof(LearnerContext)), mock(typeof(HeartbeatContext)), mock(typeof(Config)));
// This means instance 2 was the elector at version 8
context.LastElector = elector;
context.LastElectorVersion = 8;
// When
context.Left(other);
// Then
assertEquals(context.LastElector, elector);
assertEquals(context.LastElectorVersion, 8);
}
private CommonContextState(URI boundAt, long lastKnownLearnedInstanceInCluster, long nextInstanceId, ClusterConfiguration configuration, int maxAcceptors)
{
this._boundAt = boundAt;
this._lastKnownLearnedInstanceInCluster = lastKnownLearnedInstanceInCluster;
this._nextInstanceId = nextInstanceId;
this._configuration = configuration;
this._maxAcceptors = maxAcceptors;
}
private ClusterConfiguration ClusterConfiguration(params URI[] uris)
{
LogProvider logProvider = FormattedLogProvider.toOutputStream(System.out);
ClusterConfiguration toReturn = new ClusterConfiguration("neo4j.ha", logProvider, asList(uris));
toReturn.Joined(_clusterId1, _clusterUri1);
toReturn.Joined(_clusterId2, _clusterUri2);
if (uris.Length == 3)
{
toReturn.Joined(_clusterId3, _clusterUri3);
}
return(toReturn);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldHasQuorumWhenOneMachineAliveInAClusterWithOneMachine()
public virtual void ShouldHasQuorumWhenOneMachineAliveInAClusterWithOneMachine()
{
//Given
HeartbeatContext heartbeatContext = mock(typeof(HeartbeatContext));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(heartbeatContext.Alive).thenReturn(ids(1));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(1));
AtomicBroadcastContextImpl context = new AtomicBroadcastContextImpl(null, commonState, null, null, null, heartbeatContext); // we do not care about other args
//When
bool hasQuorum = context.HasQuorum();
//Then
assertTrue(hasQuorum);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDeepClone()
public virtual void ShouldDeepClone()
{
// Given
ObjectStreamFactory objStream = new ObjectStreamFactory();
AcceptorInstanceStore acceptorInstances = mock(typeof(AcceptorInstanceStore));
Executor executor = mock(typeof(Executor));
Timeouts timeouts = mock(typeof(Timeouts));
ClusterConfiguration clusterConfig = new ClusterConfiguration("myCluster", NullLogProvider.Instance);
ElectionCredentialsProvider electionCredentials = mock(typeof(ElectionCredentialsProvider));
Config config = mock(typeof(Config));
when(config.Get(ClusterSettings.max_acceptors)).thenReturn(10);
MultiPaxosContext ctx = new MultiPaxosContext(new InstanceId(1), Collections.emptyList(), clusterConfig, executor, NullLogProvider.Instance, objStream, objStream, acceptorInstances, timeouts, electionCredentials, config);
// When
MultiPaxosContext snapshot = ctx.Snapshot(NullLogProvider.Instance, timeouts, executor, acceptorInstances, objStream, objStream, electionCredentials);
// Then
assertEquals(ctx, snapshot);
}
internal CommonContextState(ClusterConfiguration configuration, int maxAcceptors)
{
this._configuration = configuration;
this._maxAcceptors = maxAcceptors;
}
public MultiPaxosServerFactory(ClusterConfiguration initialConfig, LogProvider logging, StateMachines.Monitor stateMachinesMonitor)
{
this._initialConfig = initialConfig;
this._logging = logging;
this._stateMachinesMonitor = stateMachinesMonitor;
}
// Cluster events
/// <summary>
/// Logged when the instance itself joins or rejoins a cluster
/// </summary>
/// <param name="clusterConfiguration"> </param>
public override void EnteredCluster(ClusterConfiguration clusterConfiguration)
{
_myUri = clusterConfiguration.GetUriForId(_myId);
_log.info("Instance %s entered the cluster", PrintId(_myId, _myUri));
}
