public Job nextStep(int simulationTime) {
updateReadyQueue(simulationTime);
if (simulationTime != 0 && currentJob.getRemainTime() != 0) {
readyQueue.addJob(currentJob);
}
if (readyQueue.size() > 1) {
readyQueue.OrderedByPriority();
}
if (readyQueue.isEmpty()) {
return null;
}
setCurrentJob();
return workInCPU(simulationTime);
}
/**
* Show queue content (every job details) improved version of toString method but used for
* testing.
*
* @param list Queue to show it's content
*/
public void showQueue(int simulationTime) {
if (mainList.isEmpty()) {
System.out.println("Empty Queue");
return;
} // if queue is empty
System.out.println("number of jobs " + mainList.size());
System.out.println(
"# "
+ " Arrive "
+ " Burst "
+ " Priority "
+ " Start "
+ " Wait "
+ " Remain "
+ " Finish "
+ " Turn "
+ " % ");
for (int i = 0; i < mainList.size(); i++) // show every job data
{
Job temp = mainList.get(i);
System.out.print(
temp.jobNumber + " " + temp.arrivalTime + " " + temp.burst + " ");
System.out.print(
temp.priority
+ " "
+ temp.getStart()
+ " "
+ temp.getWaitTime(simulationTime)
+ " ");
System.out.print(
temp.getRemainTime()
+ " "
+ temp.getFinish()
+ " "
+ temp.getTurnaround(simulationTime)
+ " ");
System.out.println(temp.getPercent());
}
}
public boolean isFinished() {
return (list.isEmpty() && readyQueue.isEmpty() && !busy && currentJob.getRemainTime() == 0);
}