public async Task <Response <TResponseData> > RequestAsync <TResponseData>(IAsyncRequest <TResponseData> query)
{
var response = new Response <TResponseData>();
try
{
var plan = new MediatorPlan <TResponseData>(typeof(IAsyncRequestHandler <,>), "HandleAsync", query.GetType(), _dependencyResolver);
var interceptors = GetRequestInterceptors(plan);
foreach (var interceptor in interceptors)
{
await interceptor.BeforeInvokeAsync(plan.HandleMethod, query, query.GetType());
}
response.Data = await plan.InvokeAsync(query);
foreach (var interceptor in interceptors)
{
await interceptor.AfterInvokeAsync(plan.HandleMethod, query, query.GetType(), response.Data);
}
}
catch (Exception e)
{
response.Exception = e;
}
return(response);
}
public async Task <IAsyncResponse> ExecuteAsync(IAsyncRequest request)
{
try
{
_log.DebugFormat("Recieved async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
var router = IoC.Container.Resolve <IAsyncRouter>();
var response = await router.ExecuteRequestAsync(request);
_log.DebugFormat("Returning async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
return(response);
}
catch (Exception ex)
{
_log.DebugFormat("Failed async request : {0}, Id - {1} @ {2}. {3}", request.GetType().Name, request.Id, DateTime.Now, ex.Message);
var genericFault = new GenericFault
{
Operation = request.GetType().FullName,
Message = ex.Message
};
throw new FaultException <GenericFault>(genericFault, ex.Message);
}
}
public async Task<IAsyncResponse> ExecuteAsync(IAsyncRequest request)
{
try
{
_log.DebugFormat("Recieved async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
var router = IoC.Container.Resolve<IAsyncRouter>();
var response = await router.ExecuteRequestAsync(request);
_log.DebugFormat("Returning async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
return response;
}
catch (Exception ex)
{
_log.DebugFormat("Failed async request : {0}, Id - {1} @ {2}. {3}", request.GetType().Name, request.Id, DateTime.Now, ex.Message);
var genericFault = new GenericFault
{
Operation = request.GetType().FullName,
Message = ex.Message
};
throw new FaultException<GenericFault>(genericFault, ex.Message);
}
}
private AsyncRequestHandler <TResponse> GetHandler <TResponse>(IAsyncRequest <TResponse> request)
{
var handlerType = typeof(IAsyncRequestHandler <,>).MakeGenericType(request.GetType(), typeof(TResponse));
var wrapperType = typeof(AsyncRequestHandler <,>).MakeGenericType(request.GetType(), typeof(TResponse));
var handler = _container.HasComponent(handlerType) ? _container.Resolve(handlerType) : null;
if (handler == null)
{
throw BuildException(request);
}
var wrapperHandler = Activator.CreateInstance(wrapperType, handler);
return((AsyncRequestHandler <TResponse>)wrapperHandler);
}
private AsyncRequestHandler <TResponse> GetHandler <TResponse>(IAsyncRequest <TResponse> request)
{
var handlerType = typeof(IAsyncRequestHandler <,>).MakeGenericType(request.GetType(), typeof(TResponse));
var wrapperType = typeof(AsyncRequestHandler <,>).MakeGenericType(request.GetType(), typeof(TResponse));
var handler = _serviceLocatorProvider().GetInstance(handlerType);
if (handler == null)
{
throw BuildException(request);
}
var wrapperHandler = Activator.CreateInstance(wrapperType, handler);
return((AsyncRequestHandler <TResponse>)wrapperHandler);
}
public async Task<IAsyncResponse> ExecuteRequestAsync(IAsyncRequest request)
{
_log.DebugFormat("Started executing async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
var requestType = request.GetType();
var responseType = _requestResponseService.GetMatchingAsyncResponseType(requestType);
var requestHandlerType = typeof (IAsyncRequestHandler<,>).MakeGenericType(requestType, responseType);
var requestHandler = (IAsyncRequestHandler) IoC.Container.Resolve(requestHandlerType);
var response = await requestHandler.ExecuteAsync(request);
_log.DebugFormat("Finished executing async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
return response;
}
public async Task <TResult> Handle <TResult>(IAsyncRequest <TResult> request)
{
var genericRequestHandler = typeof(IAsyncRequestHandler <,>);
var handlerType = genericRequestHandler.MakeGenericType(request.GetType(), typeof(TResult));
var handler = _handlerFactory(handlerType);
return(await(Task <TResult>) handler.GetType().GetMethod("Handle").Invoke(handler, new object[] { request }));
}
public async Task <TResponse> GetAsync <TResponse>(IAsyncRequest <TResponse> request)
where TResponse : IAsyncResponse
{
using (var performanceTester = new PerformanceTester())
{
using (var routerServiceProxy = _asyncRouterServiceProxyFactory())
{
try
{
request.Id = Guid.NewGuid();
_log.Debug(string.Format("Start RequestTask {0}, Id - {1}", request.GetType(), request.Id));
var response = await routerServiceProxy.ExecuteAsync(request);
_log.Debug(string.Format("Finished RequestTask {0}, Id - {1}. Duration {2}",
request.GetType(),
request.Id,
performanceTester.Result.Milliseconds));
return((TResponse)response);
}
catch (FaultException <GenericFault> faultException)
{
throw new RequestException(string.Format("RequestTask failed for {0}, Id - {1}. Reason '{2}'",
request.GetType(),
request.Id,
faultException.Detail.Message),
faultException);
}
catch (Exception ex)
{
throw new RequestException(string.Format("RequestTask failed for {0}, Id - {1}", request.GetType(), request.Id), ex);
}
}
}
}
private AsyncRequestHandler <TResponse> GetHandler <TResponse>(IAsyncRequest <TResponse> request)
{
var handlerType = typeof(IAsyncRequestHandler <,>).MakeGenericType(request.GetType(), typeof(TResponse));
var wrapperType = typeof(AsyncRequestHandler <,>).MakeGenericType(request.GetType(), typeof(TResponse));
object handler;
try
{
handler = _singleInstanceFactory(handlerType);
if (handler == null)
{
throw BuildException(request);
}
}
catch (Exception e)
{
throw BuildException(request, e);
}
var wrapperHandler = Activator.CreateInstance(wrapperType, handler);
return((AsyncRequestHandler <TResponse>)wrapperHandler);
}
public async Task <IAsyncResponse> ExecuteRequestAsync(IAsyncRequest request)
{
_log.DebugFormat("Started executing async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
var requestType = request.GetType();
var responseType = _requestResponseService.GetMatchingAsyncResponseType(requestType);
var requestHandlerType = typeof(IAsyncRequestHandler <,>).MakeGenericType(requestType, responseType);
var requestHandler = (IAsyncRequestHandler)IoC.Container.Resolve(requestHandlerType);
var response = await requestHandler.ExecuteAsync(request);
_log.DebugFormat("Finished executing async request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
return(response);
}
public async Task <Response <TResponse> > RequestAsync <TResponse>(IAsyncRequest <TResponse> query)
{
var response = new Response <TResponse>();
try {
var plan = new MediatorPlan <TResponse>(typeof(IAsyncRequestHandler <,>), "HandleAsync", query.GetType(), _dependencyResolver);
response.Data = await plan.InvokeAsync(query);
}
catch (Exception e) {
response.Exception = e;
}
return(response);
}
public async Task <IAsyncResponse> ExecuteAsync(IAsyncRequest request)
{
var typedRequest = (TRequest)request;
_log.DebugFormat("Executing BeforeExecuteAsync on sync request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
typedRequest = await BeforeExecuteAsync(typedRequest);
_log.DebugFormat("Executing HandleAsync on sync request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
var response = await HandleAsync(typedRequest);
_log.DebugFormat("Executing AfterExecuteAsync on sync request : {0}, Id - {1} @ {2}", request.GetType().Name, request.Id, DateTime.Now);
response = await AfterExecuteAsync(response);
return(response);
}
public Task <TResponseData> RequestAsync <TResponseData>(IAsyncRequest <TResponseData> query)
{
var plan = new MediatorPlan <TResponseData>(typeof(IAsyncRequestHandler <,>), "HandleAsync", query.GetType(), _container);
return(plan.InvokeAsync(query));
}
