Example #1
0
 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;
 }
Example #2
0
        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);
        }
Example #3
0
        /// <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));
        }
Example #4
0
//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);
        }