public virtual ClusterInstance NewCopy()
{
// A very invasive method of cloning a protocol server. Nonetheless, since this is mostly an experiment at this
// point, it seems we can refactor later on to have a cleaner clone mechanism.
// Because state machines share state, and are simultaneously conceptually unaware of each other, implementing
// a clean snapshot mechanism is very hard. I've opted for having a dirty one here in the test code rather
// than introducing a hack into the runtime code.
ProverTimeouts timeoutsSnapshot = _timeouts.snapshot();
InMemoryAcceptorInstanceStore snapshotAcceptorInstances = _acceptorInstanceStore.snapshot();
ClusterInstanceOutput output = new ClusterInstanceOutput(_uri);
ClusterInstanceInput input = new ClusterInstanceInput();
DelayedDirectExecutor executor = new DelayedDirectExecutor(_logging);
ObjectStreamFactory objectStreamFactory = new ObjectStreamFactory();
MultiPaxosContext snapshotCtx = _ctx.snapshot(_logging, timeoutsSnapshot, executor, snapshotAcceptorInstances, objectStreamFactory, objectStreamFactory, new DefaultElectionCredentialsProvider(_server.ServerId, new StateVerifierLastTxIdGetter(), new MemberInfoProvider())
);
IList <StateMachine> snapshotMachines = new List <StateMachine>();
foreach (StateMachine stateMachine in _server.StateMachines.StateMachines)
{
snapshotMachines.Add(SnapshotStateMachine(_logging, snapshotCtx, stateMachine));
}
ProtocolServer snapshotProtocolServer = _factory.constructSupportingInfrastructureFor(_server.ServerId, input, output, executor, timeoutsSnapshot, _stateMachineExecutor, snapshotCtx, snapshotMachines.ToArray());
return(new ClusterInstance(_stateMachineExecutor, _logging, _factory, snapshotProtocolServer, snapshotCtx, snapshotAcceptorInstances, timeoutsSnapshot, input, output, _uri));
}
public static ClusterInstance NewClusterInstance(InstanceId id, URI uri, Monitors monitors, ClusterConfiguration configuration, int maxSurvivableFailedMembers, LogProvider logging)
{
MultiPaxosServerFactory factory = new MultiPaxosServerFactory(configuration, logging, monitors.NewMonitor(typeof(StateMachines.Monitor)));
ClusterInstanceInput input = new ClusterInstanceInput();
ClusterInstanceOutput output = new ClusterInstanceOutput(uri);
ObjectStreamFactory objStreamFactory = new ObjectStreamFactory();
ProverTimeouts timeouts = new ProverTimeouts(uri);
InMemoryAcceptorInstanceStore acceptorInstances = new InMemoryAcceptorInstanceStore();
Config config = mock(typeof(Config));
when(config.Get(ClusterSettings.max_acceptors)).thenReturn(maxSurvivableFailedMembers);
DelayedDirectExecutor executor = new DelayedDirectExecutor(logging);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.context.MultiPaxosContext context = new org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.context.MultiPaxosContext(id, org.neo4j.helpers.collection.Iterables.iterable(new org.neo4j.cluster.protocol.election.ElectionRole(org.neo4j.cluster.protocol.cluster.ClusterConfiguration.COORDINATOR)), new org.neo4j.cluster.protocol.cluster.ClusterConfiguration(configuration.getName(), logging, configuration.getMemberURIs()), executor, logging, objStreamFactory, objStreamFactory, acceptorInstances, timeouts, new org.neo4j.kernel.ha.cluster.DefaultElectionCredentialsProvider(id, new StateVerifierLastTxIdGetter(), new MemberInfoProvider()), config);
MultiPaxosContext context = new MultiPaxosContext(id, Iterables.iterable(new ElectionRole(ClusterConfiguration.COORDINATOR)), new ClusterConfiguration(configuration.Name, logging, configuration.MemberURIs), executor, logging, objStreamFactory, objStreamFactory, acceptorInstances, timeouts, new DefaultElectionCredentialsProvider(id, new StateVerifierLastTxIdGetter(), new MemberInfoProvider()), config);
context.ClusterContext.BoundAt = uri;
SnapshotContext snapshotContext = new SnapshotContext(context.ClusterContext, context.LearnerContext);
DelayedDirectExecutor taskExecutor = new DelayedDirectExecutor(logging);
ProtocolServer ps = factory.NewProtocolServer(id, input, output, DirectExecutor, taskExecutor, timeouts, context, snapshotContext);
return(new ClusterInstance(DirectExecutor, logging, factory, ps, context, acceptorInstances, timeouts, input, output, uri));
}
internal ClusterInstance(Executor stateMachineExecutor, LogProvider logging, MultiPaxosServerFactory factory, ProtocolServer server, MultiPaxosContext ctx, InMemoryAcceptorInstanceStore acceptorInstanceStore, ProverTimeouts timeouts, ClusterInstanceInput input, ClusterInstanceOutput output, URI uri)
{
this._stateMachineExecutor = stateMachineExecutor;
this._logging = logging;
this._factory = factory;
this._server = server;
this._ctx = ctx;
this._acceptorInstanceStore = acceptorInstanceStore;
this._timeouts = timeouts;
this._input = input;
this._output = output;
this._uri = uri;
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: public ClusterClientModule(org.neo4j.kernel.lifecycle.LifeSupport life, org.neo4j.kernel.impl.util.Dependencies dependencies, final org.neo4j.kernel.monitoring.Monitors monitors, final org.neo4j.kernel.configuration.Config config, org.neo4j.logging.internal.LogService logService, org.neo4j.cluster.protocol.election.ElectionCredentialsProvider electionCredentialsProvider)
public ClusterClientModule(LifeSupport life, Dependencies dependencies, Monitors monitors, Config config, LogService logService, ElectionCredentialsProvider electionCredentialsProvider)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.logging.LogProvider logging = org.neo4j.cluster.logging.AsyncLogging.provider(life, logService.getInternalLogProvider());
LogProvider logging = AsyncLogging.provider(life, logService.InternalLogProvider);
InternalLoggerFactory.DefaultFactory = new NettyLoggerFactory(logging);
TimeoutStrategy timeoutStrategy = (new MessageTimeoutStrategy(new FixedTimeoutStrategy(config.Get(ClusterSettings.default_timeout).toMillis()))).timeout(HeartbeatMessage.sendHeartbeat, config.Get(ClusterSettings.heartbeat_interval).toMillis()).timeout(HeartbeatMessage.timed_out, config.Get(ClusterSettings.heartbeat_timeout).toMillis()).timeout(AtomicBroadcastMessage.broadcastTimeout, config.Get(ClusterSettings.broadcast_timeout).toMillis()).timeout(LearnerMessage.learnTimedout, config.Get(ClusterSettings.learn_timeout).toMillis()).timeout(ProposerMessage.phase1Timeout, config.Get(ClusterSettings.phase1_timeout).toMillis()).timeout(ProposerMessage.phase2Timeout, config.Get(ClusterSettings.phase2_timeout).toMillis()).timeout(ClusterMessage.joiningTimeout, config.Get(ClusterSettings.join_timeout).toMillis()).timeout(ClusterMessage.configurationTimeout, config.Get(ClusterSettings.configuration_timeout).toMillis()).timeout(ClusterMessage.leaveTimedout, config.Get(ClusterSettings.leave_timeout).toMillis()).timeout(ElectionMessage.electionTimeout, config.Get(ClusterSettings.election_timeout).toMillis());
MultiPaxosServerFactory protocolServerFactory = new MultiPaxosServerFactory(new ClusterConfiguration(config.Get(ClusterSettings.cluster_name), logging), logging, monitors.NewMonitor(typeof(StateMachines.Monitor)));
NetworkReceiver receiver = dependencies.satisfyDependency(new NetworkReceiver(monitors.NewMonitor(typeof(NetworkReceiver.Monitor)), new ConfigurationAnonymousInnerClass(this, config)
, logging));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.cluster.protocol.atomicbroadcast.ObjectInputStreamFactory objectInputStreamFactory = new org.neo4j.cluster.protocol.atomicbroadcast.ObjectStreamFactory();
ObjectInputStreamFactory objectInputStreamFactory = new ObjectStreamFactory();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.cluster.protocol.atomicbroadcast.ObjectOutputStreamFactory objectOutputStreamFactory = new org.neo4j.cluster.protocol.atomicbroadcast.ObjectStreamFactory();
ObjectOutputStreamFactory objectOutputStreamFactory = new ObjectStreamFactory();
receiver.AddNetworkChannelsListener(new NetworkChannelsListenerAnonymousInnerClass(this, logging, objectInputStreamFactory, objectOutputStreamFactory));
NetworkSender sender = dependencies.satisfyDependency(new NetworkSender(monitors.NewMonitor(typeof(NetworkSender.Monitor)), new ConfigurationAnonymousInnerClass(this, config)
, receiver, logging));
ExecutorLifecycleAdapter stateMachineExecutor = new ExecutorLifecycleAdapter(() => Executors.newSingleThreadExecutor(new NamedThreadFactory("State machine", monitors.NewMonitor(typeof(NamedThreadFactory.Monitor)))));
AcceptorInstanceStore acceptorInstanceStore = new InMemoryAcceptorInstanceStore();
_server = protocolServerFactory.NewProtocolServer(config.Get(ClusterSettings.server_id), timeoutStrategy, receiver, sender, acceptorInstanceStore, electionCredentialsProvider, stateMachineExecutor, objectInputStreamFactory, objectOutputStreamFactory, config);
life.Add(sender);
life.Add(stateMachineExecutor);
life.Add(receiver);
// Timeout timer - triggers every 10 ms
life.Add(new TimeoutTrigger(_server, monitors));
life.add(new ClusterJoin(new ConfigurationAnonymousInnerClass(this, config)
, _server, logService));
ClusterClient = dependencies.SatisfyDependency(new ClusterClient(life, _server));
}
