Exemplo n.º 1
0
        /// <inheritdoc/>
        public override async Task Open(OpenTunnel request, IServerStreamWriter <CommittedEventStreamWithContext> responseStream, ServerCallContext context)
        {
            try
            {
                using (var tunnel = new QuantumTunnel(_serializer, responseStream, _logger, context.CancellationToken))
                {
                    var application    = request.Application.To <Dolittle.Applications.Application>();
                    var boundedContext = request.BoundedContext.To <BoundedContext>();
                    var events         = request
                                         .Events
                                         .Select(@event => @event.ToArtifact())
                                         .ToArray();
                    var tenantOffsets = request.Offsets.ToTenantOffsets();

                    var subscription = new EventParticleSubscription(events);

                    _logger.Information($"Opening up a quantum tunnel for bounded context '{boundedContext}' in application '{application}'");

                    var singularity = new Singularity(application, boundedContext, tunnel, subscription);
                    _eventHorizon.GravitateTowards(singularity, tenantOffsets);
                    tunnel.Collapsed += _ => _eventHorizon.Collapse(singularity);

                    await tunnel.Open(request.Offsets.ToTenantOffsets()).ConfigureAwait(false);

                    _logger.Information($"Quantum tunnel collapsed for bounded context '{boundedContext}' in application '{application}'");
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "Problems opening tunnel");
            }

            await Task.CompletedTask.ConfigureAwait(false);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Initializes a new instance of <see cref="Singularity"/>
        /// </summary>
        /// <param name="application"><see cref="Application">Application</see> representing the singularity</param>
        /// <param name="boundedContext"><see cref="BoundedContext"/> representing the bounded context of the singularity</param>
        /// <param name="tunnel"><see cref="IQuantumTunnel"/> used to pass through to <see cref="Singularity"/></param>
        /// <param name="subscription"><see cref="EventParticleSubscription"/></param>
        public Singularity(
            Application application,
            BoundedContext boundedContext,
            IQuantumTunnel tunnel,
            EventParticleSubscription subscription)
        {
            _subscription = subscription;
            _tunnel       = tunnel;
            Application   = application;

            BoundedContext = boundedContext;
        }