from job import Job

class Job_List() :
   def __init__(self) :
      self.jobs = {}

   def __getitem__(self, k) :
      return self.jobs[k]

   def __setitem__(self, k, v) :
      self.jobs[k] = v

   def __len__(self) :
      return len(self.jobs)

   def add(self, job) :
      if isinstance(job, Job) :
         self[job.id] = job
      elif isinstance(job, Job_List) :
         for j in job.jobs :
            self.add(job[j])
      else :
         raise Exception("unexpected type added to Job_List")

   def kill(self, id) :
      if not id in self.jobs :
         return
      self[id].kill()
      del(self.jobs[id])