Ejemplo n.º 1
0
        /// <summary>
        /// Sets up the supporting infrastructure and communication hooks for our state machines. This is here to support
        /// an external requirement for assembling protocol servers given an existing set of state machines (used to prove
        /// correctness).
        /// </summary>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("rawtypes") public ProtocolServer constructSupportingInfrastructureFor(InstanceId me, org.neo4j.cluster.com.message.MessageSource input, org.neo4j.cluster.com.message.MessageSender output, DelayedDirectExecutor executor, org.neo4j.cluster.timeout.Timeouts timeouts, java.util.concurrent.Executor stateMachineExecutor, final org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.context.MultiPaxosContext context, org.neo4j.cluster.statemachine.StateMachine[] machines)
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
        public virtual ProtocolServer ConstructSupportingInfrastructureFor(InstanceId me, MessageSource input, MessageSender output, DelayedDirectExecutor executor, Timeouts timeouts, Executor stateMachineExecutor, MultiPaxosContext context, StateMachine[] machines)
        {
            StateMachines stateMachines = new StateMachines(_logging, _stateMachinesMonitor, input, output, timeouts, executor, stateMachineExecutor, me);

            foreach (StateMachine machine in machines)
            {
                stateMachines.AddStateMachine(machine);
            }

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final ProtocolServer server = new ProtocolServer(me, stateMachines, logging);
            ProtocolServer server = new ProtocolServer(me, stateMachines, _logging);

            server.AddBindingListener(me1 => context.ClusterContext.setBoundAt(me1));

            stateMachines.AddMessageProcessor(new HeartbeatRefreshProcessor(stateMachines.Outgoing, context.ClusterContext));
            input.AddMessageProcessor(new HeartbeatIAmAliveProcessor(stateMachines.Outgoing, context.ClusterContext));

            Cluster cluster = server.NewClient(typeof(Cluster));

            cluster.AddClusterListener(new HeartbeatJoinListener(stateMachines.Outgoing));
            cluster.AddClusterListener(new HeartbeatLeftListener(context.HeartbeatContext, _logging));

            context.HeartbeatContext.addHeartbeatListener(new HeartbeatReelectionListener(server.NewClient(typeof(Election)), _logging));
            context.ClusterContext.addClusterListener(new ClusterLeaveReelectionListener(server.NewClient(typeof(Election)), _logging));

            StateMachineRules rules = (new StateMachineRules(stateMachines.Outgoing)).rule(ClusterState.start, ClusterMessage.create, ClusterState.entered, @internal(AtomicBroadcastMessage.entered), @internal(ProposerMessage.join), @internal(AcceptorMessage.join), @internal(LearnerMessage.join), @internal(HeartbeatMessage.join), @internal(ElectionMessage.created), @internal(SnapshotMessage.join)).rule(ClusterState.discovery, ClusterMessage.configurationResponse, ClusterState.joining, @internal(AcceptorMessage.join), @internal(LearnerMessage.join), @internal(AtomicBroadcastMessage.join)).rule(ClusterState.discovery, ClusterMessage.configurationResponse, ClusterState.entered, @internal(AtomicBroadcastMessage.entered), @internal(ProposerMessage.join), @internal(AcceptorMessage.join), @internal(LearnerMessage.join), @internal(HeartbeatMessage.join), @internal(ElectionMessage.join), @internal(SnapshotMessage.join)).rule(ClusterState.joining, ClusterMessage.configurationChanged, ClusterState.entered, @internal(AtomicBroadcastMessage.entered), @internal(ProposerMessage.join), @internal(AcceptorMessage.join), @internal(LearnerMessage.join), @internal(HeartbeatMessage.join), @internal(ElectionMessage.join), @internal(SnapshotMessage.join)).rule(ClusterState.joining, ClusterMessage.joinFailure, ClusterState.start, @internal(AtomicBroadcastMessage.leave), @internal(AcceptorMessage.leave), @internal(LearnerMessage.leave), @internal(ProposerMessage.leave)).rule(ClusterState.entered, ClusterMessage.leave, ClusterState.start, @internal(AtomicBroadcastMessage.leave), @internal(AcceptorMessage.leave), @internal(LearnerMessage.leave), @internal(HeartbeatMessage.leave), @internal(SnapshotMessage.leave), @internal(ElectionMessage.leave), @internal(ProposerMessage.leave)).rule(ClusterState.entered, ClusterMessage.leave, ClusterState.start, @internal(AtomicBroadcastMessage.leave), @internal(AcceptorMessage.leave), @internal(LearnerMessage.leave), @internal(HeartbeatMessage.leave), @internal(ElectionMessage.leave), @internal(SnapshotMessage.leave), @internal(ProposerMessage.leave)).rule(ClusterState.leaving, ClusterMessage.configurationChanged, ClusterState.start, @internal(AtomicBroadcastMessage.leave), @internal(AcceptorMessage.leave), @internal(LearnerMessage.leave), @internal(HeartbeatMessage.leave), @internal(ElectionMessage.leave), @internal(SnapshotMessage.leave), @internal(ProposerMessage.leave)).rule(ClusterState.leaving, ClusterMessage.leaveTimedout, ClusterState.start, @internal(AtomicBroadcastMessage.leave), @internal(AcceptorMessage.leave), @internal(LearnerMessage.leave), @internal(HeartbeatMessage.leave), @internal(ElectionMessage.leave), @internal(SnapshotMessage.leave), @internal(ProposerMessage.leave));

            stateMachines.AddStateTransitionListener(rules);

            return(server);
        }
Ejemplo n.º 2
0
        public ProtocolServer(InstanceId me, StateMachines stateMachines, LogProvider logProvider)
        {
            this._me = me;
            this.StateMachinesConflict = stateMachines;
            this._msgLog = logProvider.getLog(this.GetType());

            StateMachineConversations conversations = new StateMachineConversations(me);

            ProxyFactory = new StateMachineProxyFactory(stateMachines, conversations, me, logProvider);
            stateMachines.AddMessageProcessor(ProxyFactory);
        }