public CommandResult Handle(CommandDescriptor descriptor)
{
try
{
var commandType = _typeDiscoverer.GetCommandTypeByName(descriptor.GeneratedFrom);
var command = (ICommand)_serializer.FromJson(commandType, descriptor.Command);
command.Id = descriptor.Id;
_commandContextConnectionManager.Register(Context.ConnectionId, command.Id);
var commandResult = _commandCoordinator.Handle(command);
return commandResult;
}
catch (Exception ex)
{
return new CommandResult {
Exception = ex,
ExceptionMessage = string.Format("Exception occured of type '{0}' with message '{1}'. StackTrace : {2}",ex.GetType().Name,ex.Message,ex.StackTrace)
};
}
}
public CommandResult Handle(ICommand command)
{
var validationResults = new ObservableCollection<ValidationResult>();
var commandValidationMessages = new ObservableCollection<string>();
var commandResult = new CommandResult();
commandResult.CommandName = command.Name;
commandResult.ValidationResults = validationResults;
commandResult.CommandValidationMessages = commandValidationMessages;
if( !command.GetType().Equals(typeof(Command)) )
CopyPropertyValuesToParameters(command);
var descriptor = new CommandDescriptor
{
Id = Guid.NewGuid(),
Name = command.Name,
Command = _serializer.ToJson(command.Parameters),
GeneratedFrom = command.GetType().FullName
};
_commands[descriptor.Id] = command;
command.IsBusy = true;
command.IsProcessing = true;
_proxy.Handle(descriptor).ContinueWith(a =>
{
foreach (var commandValidationMessage in a.Result.CommandValidationMessages)
commandValidationMessages.Add(commandValidationMessage);
foreach (var validationResult in a.Result.ValidationResults)
validationResults.Add(validationResult);
commandResult.Exception = a.Result.Exception;
commandResult.ExceptionMessage = a.Result.ExceptionMessage;
command.IsBusy = false;
if( command is INotifyCommandResultsReceived )
((INotifyCommandResultsReceived)command).OnCommandResultsReceived(descriptor.Id, commandResult);
});
return commandResult;
}
