JobCommandResolver

public interface IJobCommand{
    int JobId { get; set; }
    void Execute();
}

public interface QueryJob : IJobCommand{

    int JobId { get; set; } = 121;
    //kısa vadede yapınızı bozmamak için buradan resolve edilebilir.
    string Namespace { get; set; } = "Resolver";
    public void Execute(){
        // Make awesome stuff
    }
}

public interface IJobCommandResolver{
    IJobCommand Resolve(int jobId);
}

public class JobCommandResolver : IJobCommandResolver{

    private readonly IEnumerable<IJobCommand> _commands;
    public Resolver(IEnumerable<IJobCommand> commands){
        _commands = commands;
    }
    
    public IJobCommand Resolve(int jobId){
       var command = _commands.FirstOrDefault(command => command.JobId == jobId);
       if(command is null) return null;
       else return command;
    }
}

public class JobProvider{


    public async Task LoadEndExecuteJobs(){
        
        var jobs = await GetFromDb();
        foreach(var item in jobs){
            var command = Resolver.Resolve(item.JobId);
            if(command is null) continue;
            command.Execute();
        }


    }
}