private void ExecuteCommandFromEvent(object sender, EventArgs args)
{
BaseEventArgs typedArgs = (BaseEventArgs)args;
CommandMapping mapping = commandMappings[sender.GetType()];
if (!mapping.HasMapping(typedArgs.EventId))
{
return;
}
foreach (Type commandType in mapping.GetCommandTypes(typedArgs.EventId))
{
ICommand command = GetCommandInstance(commandType, typedArgs);
command.Execute();
}
}
public void MapCommand(Type dispatcherType, int eventId, Type commandType)
{
if (!typeof(IEventDispatcher).IsAssignableFrom(dispatcherType))
{
throw new Exception($"Type {dispatcherType} must implement IDispatcher.");
}
if (!typeof(ICommand).IsAssignableFrom(commandType))
{
throw new Exception($"Type {commandType} must implement ICommand.");
}
if (!commandMappings.ContainsKey(dispatcherType))
{
CommandMapping mapping = new CommandMapping(dispatcherType);
mapping.MapEvent(eventId, commandType);
commandMappings.Add(dispatcherType, mapping);
}
else
{
CommandMapping mapping = commandMappings[dispatcherType];
mapping.MapEvent(eventId, commandType);
}
}
