synchronized private List<ControlledJob> getJobsIn(State state) {
  LinkedList<ControlledJob> l = new LinkedList<ControlledJob>();
  for(ControlledJob j: jobsInProgress) {
    if(j.getJobState() == state) {
      l.add(j);
    }
  }
  return l;
}
 

/**
 * Add a new controlled job.
 * @param aJob the new controlled job
 */
synchronized public String addJob(ControlledJob aJob) {
  String id = this.getNextJobID();
  aJob.setJobID(id);
  aJob.setJobState(State.WAITING);
  jobsInProgress.add(aJob);
  return id;	
}
 

synchronized private List<ControlledJob> getJobsIn(State state) {
  LinkedList<ControlledJob> l = new LinkedList<ControlledJob>();
  for(ControlledJob j: jobsInProgress) {
    if(j.getJobState() == state) {
      l.add(j);
    }
  }
  return l;
}
 

/**
 * Add a new controlled job.
 * @param aJob the new controlled job
 */
synchronized public String addJob(ControlledJob aJob) {
  String id = this.getNextJobID();
  aJob.setJobID(id);
  aJob.setJobState(State.WAITING);
  jobsInProgress.add(aJob);
  return id;	
}
 

private State checkState(ControlledJob j) {
  try {
    return (State)checkState.invoke(j);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
 

private State submit(ControlledJob j) {
  try {
    return (State)submit.invoke(j);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
 

/**
 * @return the jobs in the waiting state
 */
public List<ControlledJob> getWaitingJobList() {
  return getJobsIn(State.WAITING);
}
 

/**
 * @return the jobs in the running state
 */
public List<ControlledJob> getRunningJobList() {
  return getJobsIn(State.RUNNING);
}
 

/**
 * @return the jobs in the ready state
 */
public List<ControlledJob> getReadyJobsList() {
  return getJobsIn(State.READY);
}
 

/**
 * @return the jobs in the waiting state
 */
public List<ControlledJob> getWaitingJobList() {
  return getJobsIn(State.WAITING);
}
 

/**
 * @return the jobs in the running state
 */
public List<ControlledJob> getRunningJobList() {
  return getJobsIn(State.RUNNING);
}
 

/**
 * @return the jobs in the ready state
 */
public List<ControlledJob> getReadyJobsList() {
  return getJobsIn(State.READY);
}