protected override void Given()
{
Subsystem.Handle(new SystemMessage.SystemCoreReady());
Subsystem.Handle(new SystemMessage.BecomeMaster(Guid.NewGuid()));
var startMsg = WaitForStartMessage();
_instanceCorrelation = startMsg.InstanceCorrelationId;
Subsystem.Handle(new ProjectionSubsystemMessage.ComponentStarted(
ProjectionManager.ServiceName, _instanceCorrelation));
Subsystem.Handle(new ProjectionSubsystemMessage.ComponentStarted(
ProjectionCoreCoordinator.ComponentName, _instanceCorrelation));
ResetMessageEvents();
Subsystem.Handle(new ProjectionSubsystemMessage.RestartSubsystem(new NoopEnvelope()));
_stopMsg = WaitForStopMessage();
// Become unknown before components stopped
Subsystem.Handle(new SystemMessage.BecomeUnknown(Guid.NewGuid()));
Subsystem.Handle(new ProjectionSubsystemMessage.ComponentStopped(
ProjectionManager.ServiceName, _instanceCorrelation));
Subsystem.Handle(new ProjectionSubsystemMessage.ComponentStopped(
ProjectionCoreCoordinator.ComponentName, _instanceCorrelation));
}
public void SetUp()
{
_standardComponents = CreateStandardComponents();
Subsystem = new ProjectionsSubsystem(1, ProjectionType.All, true, TimeSpan.FromSeconds(3), true);
Subsystem.Register(_standardComponents);
// Unsubscribe from the actual components so we can test in isolation
Subsystem.MasterMainBus.Unsubscribe <ProjectionSubsystemMessage.ComponentStarted>(Subsystem);
Subsystem.MasterMainBus.Unsubscribe <ProjectionSubsystemMessage.ComponentStopped>(Subsystem);
Subsystem.MasterMainBus.Subscribe(new AdHocHandler <Message>(
msg => {
switch (msg)
{
case ProjectionSubsystemMessage.StartComponents start: {
_lastStartMessage = start;
_startReceived.Set();
break;
}
case ProjectionSubsystemMessage.StopComponents stop: {
_lastStopMessage = stop;
_stopReceived.Set();
break;
}
}
}));
Subsystem.Start();
Given();
}
private void Stop(ProjectionSubsystemMessage.StopComponents message)
{
if (_currentState != CoreCoordinatorState.Started)
{
Log.Debug("PROJECTIONS: Projections Core Coordinator trying to stop when not started. " +
"Current state: {currentState}. StopCorrelation: {correlation}", _currentState,
message.InstanceCorrelationId);
return;
}
Log.Debug("PROJECTIONS: Stopping Projections Core Coordinator");
_currentState = CoreCoordinatorState.Stopping;
foreach (var queue in _queues)
{
if (_runProjections >= ProjectionType.System)
{
queue.Value.Publish(new ProjectionCoreServiceMessage.StopCore(queue.Key));
}
else
{
// TODO: Find out why projections still run even when ProjectionType.None
queue.Value.Publish(new ReaderCoreServiceMessage.StopReader(queue.Key));
}
}
}
protected void ResetMessageEvents()
{
_stopReceived.Reset();
_startReceived.Reset();
_lastStopMessage = null;
_lastStartMessage = null;
}
public void Handle(ProjectionSubsystemMessage.StopComponents message)
{
if (_currentState != CoreCoordinatorState.Started)
{
Log.Debug("PROJECTIONS: Projection Core Coordinator cannot stop components as it's not started. Correlation: {correlation}",
message.InstanceCorrelationId);
return;
}
if (_instanceCorrelationId != message.InstanceCorrelationId)
{
Log.Debug("PROJECTIONS: Projection Core Coordinator received stop request for incorrect correlation id." +
"Current: {correlationId}. Requested: {requestedCorrelationId}", _instanceCorrelationId, message.InstanceCorrelationId);
return;
}
Stop(message);
}
