public async Task DecorateAsync(TCommand command, IOperationHandler <TCommand> handler, CancellationToken cancellationToken)
{
await _writer.WriteLineAsync($"Preprocess command `{typeof(TCommand).Name}` by `{GetType().Name}`");
await handler.HandleAsync(command, cancellationToken);
await _writer.WriteLineAsync($"Postprocess command `{typeof(TCommand).Name}` by `{GetType().Name}`");
}
public override async Task <TResult> DecorateAsync(TCommand command, IOperationHandler <TCommand, TResult> handler, CancellationToken cancellationToken)
{
await _writer.WriteLineAsync($"Preprocess command `{typeof(TCommand).Name}` by `{GetType().Name}`");
var result = await handler.HandleAsync(command, cancellationToken);
await _writer.WriteLineAsync($"Postprocess command `{typeof(TCommand).Name}` by `{GetType().Name}`");
return(result);
}
public async Task <TResult> DecorateAsync(TQuery query, IOperationHandler <TQuery, TResult> handler, CancellationToken cancellationToken)
{
await _writer.WriteLineAsync($"Preprocess query `{typeof(TQuery).Name}` by `{GetType().Name}`");
var result = await handler.HandleAsync(query, cancellationToken);
await _writer.WriteLineAsync($"Postprocess query `{typeof(TQuery).Name}` by `{GetType().Name}`");
return(result);
}
public Task <TResult> HandleAsync(TOperation operation, CancellationToken cancellationToken)
{
if (operation is ICommand <TResult> )
{
return(((BaseOperationDecorator <TOperation, TResult>)_serviceProvider.GetService(typeof(ICommandDecorator <,>).MakeGenericType(operation.GetType(), typeof(TResult))))
.DecorateAsync(operation, _handler, cancellationToken));
}
else if (operation is IQuery <TResult> )
{
return(((BaseOperationDecorator <TOperation, TResult>)_serviceProvider.GetService(typeof(IQueryDecorator <,>).MakeGenericType(operation.GetType(), typeof(TResult))))
.DecorateAsync(operation, _handler, cancellationToken));
}
else
{
return(_handler.HandleAsync(operation, cancellationToken));
}
}
public Task <TOutput> ExecuteAsync <TInput, TOutput>(TInput request)
{
IOperationHandler <TInput, TOutput> handler = dependencyProvider.Resolve <IOperationHandler <TInput, TOutput> >();
return(handler.HandleAsync(request));
}