public async Task ProcessCommand <TCommand>(TCommand command) where TCommand : IAsyncCommand
{
var eventType = command.GetType().GetTypeInfo()
.ImplementedInterfaces
.FirstOrDefault(i => i.GetTypeInfo().IsGenericType&& i.GetGenericTypeDefinition() == typeof(IAsyncCommandEvent <>));
if (eventType != null)
{
eventType = eventType.GetTypeInfo().GenericTypeArguments.First();
}
if (eventType == null)
{
await _innerAsyncCommandBus.ProcessCommand(command);
return;
}
try
{
await _innerAsyncCommandBus.ProcessCommand(command);
var method = typeof(ICommandEvents).GetTypeInfo().GetDeclaredMethod("NotifyComplete");
method = method.MakeGenericMethod(eventType);
method.Invoke(_commandEvents, new object[] { command });
}
catch (Exception ex)
{
var method = typeof(ICommandEvents).GetTypeInfo().GetDeclaredMethod("NotifyError");
method = method.MakeGenericMethod(eventType);
method.Invoke(_commandEvents, new object[] { command, ex });
throw;
}
}
public Task ProcessCommand <TCommand>(TCommand command) where TCommand : IAsyncCommand
{
IScheduler scheduler;
if (Schedulers.TryGetValue(typeof(TCommand), out scheduler))
{
return(scheduler.Run(() => _commandBus.ProcessCommand(command)));
}
if (DefaultScheduler != null)
{
return(DefaultScheduler.Run(() => _commandBus.ProcessCommand(command)));
}
return(_commandBus.ProcessCommand(command));
}
public async Task ProcessCommand <TCommand>(TCommand command) where TCommand : IAsyncCommand
{
try
{
lock (this)
{
_executingCommands.Add(command);
}
_commandStarted.OnNext(command);
await _commandBus.ProcessCommand(command);
_commandEnded.OnNext(command);
}
catch (Exception ex)
{
_commandError.OnNext(new Tuple <IAsyncCommand, Exception>(command, ex));
throw;
}
finally
{
lock (this)
{
_executingCommands.Remove(command);
}
}
}
private async Task ProcessCommandInternal <TCommand>(TCommand command) where TCommand : IAsyncCommand
{
SemaphoreSlim semaphoreSlim;
if (_commandTypes.TryGetValue(typeof(TCommand), out semaphoreSlim))
{
await semaphoreSlim.WaitAsync(command.CancellationToken);
try
{
await _innerCommandBus.ProcessCommand(command);
}
finally
{
semaphoreSlim.Release();
}
}
else
{
await _innerCommandBus.ProcessCommand(command);
}
}
public async Task ProcessCommand <TCommand>(TCommand command) where TCommand : IAsyncCommand
{
var stopwatch = Stopwatch.StartNew();
try
{
await _innerCommandBus.ProcessCommand(command);
}
finally
{
stopwatch.Stop();
Debug.WriteLine("Command {1} time : {0}", stopwatch.Elapsed, typeof(TCommand));
}
}
public async Task ProcessCommand <TCommand>(TCommand command) where TCommand : IAsyncCommand
{
Debug.WriteLine("[COMMAND] [START] {0}", command);
try
{
await _innerCommandBus.ProcessCommand(command);
Debug.WriteLine("[COMMAND] [END] {0}", command);
}
catch (Exception ex)
{
//prevent writing an exception multiple times
Exception existing;
if (!_catchedExceptions.TryGetValue(ex, out existing))
{
_catchedExceptions.Add(ex, ex);
Debug.WriteLine("[COMMAND] [ERROR] {0}\n{1}", command, ex);
}
throw;
}
}
