Multiprogramming-Batch-Operating-System/Input.java at main · yaraalt/Multiprogramming-Batch-Operating-System · GitHub

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importjava.io.File;
importjava.io.FileOutputStream;
importjava.io.PrintWriter;
importjava.util.Scanner;
importjava.util.Queue;
importjava.util.LinkedList;

publicclassInput
{ publicQueue<Job> jobs;
publicintcount;
intmin;
intmax;
inttotal;
intn; // number of jobs

publicInput()
	{ jobs= newLinkedList<Job>();
count= 0;
min= 256;
max= 0;
total= 0;
n= (int)((Math.random()*(500 - 100) + 100)); }


publicJobgenerateJob()
	{ intid= count++;
intecu= (int)((Math.random()*(512 - 16) + 16));
intjobSize= (int)((Math.random()*(256 - 16) + 16));

if(jobSize < min)
min= jobSize;

if(max < jobSize)
max= jobSize;

total += jobSize;
Jobobj= newJob(id, ecu, jobSize);
returnobj; }


publicvoidgenerateInput()
	{ Filef= newFile("Jobs.txt");
FileOutputStreamfOut;
PrintWriterwriter;

try
	{ fOut = newFileOutputStream(f);
writer= newPrintWriter(fOut);

Jobobj= null;
for(inti= 0; i < n; i++)
	{ obj= generateJob();
writer.println(obj.jID + "\t" + obj.ECU + "\t" + obj.jobSize + "\n"); }

writer.close();
fOut.close(); }
catch (Exceptione)
	{ e.getMessage(); } }


publicvoidfillJQueue()
	{ Filef= newFile("Jobs.txt");
Scannerinput;

try
	{ input= newScanner(f);

Jobobj;
intid;
intecu;
intsize;
while(input.hasNext())
	{ id= input.nextInt();
ecu= input.nextInt();
size= input.nextInt();
obj= newJob(id, ecu, size);

jobs.add(obj); }

input.close(); }
catch (Exceptione)
	{ e.getMessage(); } } }