我的优先队列工作得不太好

Question

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.PriorityQueue;
import java.util.Scanner;

public class Schduling_CPU_job {
    private PriorityQueue<CPUscduller> pQueue = new PriorityQueue<CPUscduller>();


    private static CPUscduller performJob = null;

    public void addJobs(CPUscduller cpujob){
        this.pQueue.add(cpujob);
    }


    public void CPU(){
        int count = 1;

        while(!pQueue.isEmpty()){
            performJob = pQueue.remove();
            for(int i = 0;i <= performJob.LengthOfpQueue-1;i++) {
                if (count == 1) {
                    System.out.println("Job for time Slice# " + count + "-" + performJob.iName + " 
                            arrived");
                    System.out.println("                        Executing " + performJob.iName + " " + 
                            performJob.iPriority + " " + (performJob.LengthOfpQueue));
                    count++;
                } else {
                    System.out.println("Job for time Slice# " + count + " - Executing " + 
                            performJob.iName + " " + performJob.iPriority + " " + (performJob.LengthOfpQueue - 
                                count + 1));
                    count++;
                }
            }
        }

    }
    public static void main(String[] args) throws Exception{
        PriorityQueue pQueue = new PriorityQueue();
        System.out.println("Enter your input file name");
        Scanner scanner = new Scanner(System.in);
        String input = scanner.next();
        //System.out.println("input : " + input);
        FileReader fileReader = new FileReader("./"+input);
        BufferedReader bufferedReader = new BufferedReader(fileReader);
        String line = null;

        while((line = bufferedReader.readLine()) != null){
            Schduling_CPU_job sc = new Schduling_CPU_job();
            String str[] = line.split(" ");
            //System.out.println("\nThis is the context of input : " + line + "\n");
            int inputqsize = Integer.parseInt(str[3]);
            int priority = Integer.parseInt(str[2]);
            int arrivaltime = Integer.parseInt(str[1]);
            String jobname = str[0];
            System.out.println("Length of job : "+inputqsize);
            System.out.println("priority : " + priority);
            System.out.println("Arrival time : "+ arrivaltime);
            System.out.println("job name : " + jobname);
            int length = inputqsize;

            CPUscduller job = new CPUscduller(arrivaltime, priority, inputqsize, jobname);

            sc.addJobs(job);



            sc.CPU();

        }


    }

}

class CPUscduller implements Comparable<CPUscduller>{
    int iPriority;
    int arrivaltime;
    int LengthOfpQueue;
    String iName;

    public CPUscduller(int arrivaltime,int iPriority,int iTimeSlice,String iName) throws 
        Exception{
            if(iPriority >= -10 && iPriority <=10 ){
                this.iPriority = iPriority;
            }
            else{
                throw new Exception("Priority value is Out-of-Range");
            }
            if(iTimeSlice <=100 && iTimeSlice >= 1){
                this.LengthOfpQueue = iTimeSlice;
            }
            else{
                throw new Exception("Length is out of bounds");
            }

            this.iName = iName;
            this.arrivaltime = arrivaltime;
        }



    public int getiPriority() {
        return iPriority;
    }

    public void setiPriority(int iPriority) {
        this.iPriority = iPriority;
    }

    public int getArrivaltime() {
        return arrivaltime;
    }

    public void setArrivaltime(int arrivaltime) {
        this.arrivaltime = arrivaltime;
    }

    public int getLengthOfpQueue() {
        return LengthOfpQueue;
    }

    public void setLengthOfpQueue(int lengthOfpQueue) {
        LengthOfpQueue = lengthOfpQueue;
    }

    public String getiName() {
        return iName;
    }

    public void setiName(String iName) {
        this.iName = iName;
    }

    public int compareTo(CPUscduller cpujob){
        if(this.equals(cpujob)) return 0;
        else if(getiPriority() > cpujob.getiPriority()) return 1;
        else return  -1;
        //return (this.iPriority + cpujob.iPriority);
    }


}

这是我编写的代码，但是由于某种原因它没有排序。我猜我在CPU方法上有问题，或者将我的输入值放在优先级队列中。这是因为在调试程序时，某些原因导致我的输入文件无法连续读取。无论如何，我的优先级值为-9,2，-10,10。最高优先级是-10，最低优先级是10。因此，排序应类似于-10，-9,2,10

这是我的输入文件示例。

Job114 0 -9 25
Job345 0 2 66
Job234 10 -10 5
Job999 27 10 56