private ProposerContextImpl(Org.Neo4j.cluster.InstanceId me, CommonContextState commonState, LogProvider logging, Timeouts timeouts, Deque <Message> pendingValues, IDictionary <InstanceId, Message> bookedInstances, PaxosInstanceStore paxosInstances, HeartbeatContext heartbeatContext) : base(me, commonState, logging, timeouts)
{
this._pendingValues = pendingValues;
this._bookedInstances = bookedInstances;
this._paxosInstances = paxosInstances;
this._heartbeatContext = heartbeatContext;
}
internal ProposerContextImpl(Org.Neo4j.cluster.InstanceId me, CommonContextState commonState, LogProvider logging, Timeouts timeouts, PaxosInstanceStore paxosInstances, HeartbeatContext heartbeatContext) : base(me, commonState, logging, timeouts)
{
this._paxosInstances = paxosInstances;
this._heartbeatContext = heartbeatContext;
_pendingValues = new LinkedList <Message>();
_bookedInstances = new Dictionary <InstanceId, Message>();
}
internal LearnerContextImpl(Org.Neo4j.cluster.InstanceId me, CommonContextState commonState, LogProvider logging, Timeouts timeouts, PaxosInstanceStore paxosInstances, AcceptorInstanceStore instanceStore, ObjectInputStreamFactory objectInputStreamFactory, ObjectOutputStreamFactory objectOutputStreamFactory, HeartbeatContext heartbeatContext) : base(me, commonState, logging, timeouts)
{
this._heartbeatContext = heartbeatContext;
this._instanceStore = instanceStore;
this._objectInputStreamFactory = objectInputStreamFactory;
this._objectOutputStreamFactory = objectOutputStreamFactory;
this._paxosInstances = paxosInstances;
this._learnMissLogger = (new CappedLogger(logging.GetLog(typeof(LearnerState)))).setDuplicateFilterEnabled(true);
}
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;
}
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 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 ProposerContextImpl Snapshot(CommonContextState commonStateSnapshot, LogProvider logging, Timeouts timeouts, PaxosInstanceStore paxosInstancesSnapshot, HeartbeatContext heartbeatContext)
{
return(new ProposerContextImpl(Me, commonStateSnapshot, logging, timeouts, new LinkedList <>(_pendingValues), new Dictionary <>(_bookedInstances), paxosInstancesSnapshot, heartbeatContext));
}
