zach/COMP2240-Assignment1
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Filereader changed to take user input

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Zach S-B 2021-08-28 16:45:06 +10:00
parent ae03995d4e
commit 3248b42812
2 changed files with 130 additions and 83 deletions
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202
A1.java
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@ -24,19 +24,29 @@ public class A1 {
*/ */
public void run() public void run()
{ {
readFile(fileName); //Read the file System.out.println("COMP2240 - Assignment 1 \n Author: Zach S-B \n Student# :c3262201");
double[] fcfsResults = new double[2];
double[] srtResults = new double[2];
double[] ltrResults = new double[2];
readFile(); //Read the file
//printFile(); //printFile();
Algorithm fcfs = new Algorithm(disp, processList, randomNum, "FCFS"); Algorithm fcfs = new Algorithm(disp, processList, randomNum, "FCFS");
fcfs.runDispatch(); fcfs.runDispatch();
fcfsResults[0] = fcfs.averageTurnTime();
fcfsResults[1] = fcfs.averageWaitTime();
printResults(); printResults();
System.out.println(fcfs.averageTurnTime());
reset(); reset();
System.out.println(); System.out.println();
Algorithm srt = new Algorithm(disp, processList, randomNum,"SRT"); Algorithm srt = new Algorithm(disp, processList, randomNum,"SRT");
srt.runDispatch(); srt.runDispatch();
srtResults[0] = srt.averageTurnTime();
srtResults[1] = srt.averageWaitTime();
printResults(); printResults();
reset(); reset();
@ -44,8 +54,12 @@ public class A1 {
Algorithm ltr = new Algorithm(disp, processList, randomNum,"LTR"); Algorithm ltr = new Algorithm(disp, processList, randomNum,"LTR");
ltr.runDispatch(); ltr.runDispatch();
ltrResults[0] = ltr.averageTurnTime();
ltrResults[1] = ltr.averageWaitTime();
printResults(); printResults();
reset(); reset();
printAverages(fcfsResults, srtResults, ltrResults);
} }
@ -57,6 +71,17 @@ public class A1 {
} }
} }
public void printAverages(double[] fcfs, double[] srt, double[] ltr)
{
System.out.println("\nAlgorithm \tAverage Turnaround Time \tAverage Waiting Time");
System.out.printf("FCFS\t\t%.2f\t\t\t\t%.2f\n",fcfs[0],fcfs[1]);
System.out.printf("SRT\t\t%.2f\t\t\t\t%.2f\n",srt[0],srt[1]);
System.out.printf("FBV\t\t-\t\t\t\t-\n");
System.out.printf("LTR\t\t%.2f\t\t\t\t%.2f\n",ltr[0],ltr[1]);
}
public void printResults() public void printResults()
{ {
System.out.println("\nProcess \tTurnaround Time \tWaiting Time"); System.out.println("\nProcess \tTurnaround Time \tWaiting Time");
@ -71,105 +96,116 @@ public class A1 {
* readFile. Reads the file given, creating processes as needed to save details. * readFile. Reads the file given, creating processes as needed to save details.
* @param fileNameInput address of the file to be read in. * @param fileNameInput address of the file to be read in.
*/ */
public void readFile(String fileNameInput) public void readFile()
{ {
boolean fileRead = false;
Scanner sc = new Scanner(System.in);
Scanner fileReader; //Scanner to read the file. Scanner fileReader; //Scanner to read the file.
File dataSet = new File(fileNameInput); File dataSet;// = new File(fileNameInput);
//Try and open file. If it works, procede.
try {
fileReader = new Scanner(dataSet);
while(!fileRead)
{
System.out.print("Enter filename: ");
String fileNameInput = sc.nextLine();
dataSet = new File(fileNameInput);
//Try and open file. If it works, procede.
try {
fileReader = new Scanner(dataSet);
fileRead = true;
//Progress through each line in the text file //Progress through each line in the text file
while(fileReader.hasNextLine()){ while(fileReader.hasNextLine()){
String line = fileReader.nextLine(); String line = fileReader.nextLine();
//If the line has "EOF" written, stop reading lines. //If the line has "EOF" written, stop reading lines.
if(line.equals("EOF")) if(line.equals("EOF"))
{
break;
}
else if(line.startsWith("DISP"))
{
disp =Integer.parseInt(line.substring(6));
}
//If the Line starts with "ID:", create a new process
else if(line.startsWith("ID:"))
{
//Create new proccess
Process temp = new Process();
temp.setId(line.substring(4)); //Set the id of the proccess to whatever remains of the line after the "ID: "
//As we've read in the ID, we shall assume the following lines (until "END") are all part of the process definition.
while(fileReader.hasNextLine())
{ {
line = fileReader.nextLine();
if(line.equals("END")) break;
}
else if(line.startsWith("DISP"))
{
disp =Integer.parseInt(line.substring(6));
}
//If the Line starts with "ID:", create a new process
else if(line.startsWith("ID:"))
{
//Create new proccess
Process temp = new Process();
temp.setId(line.substring(4)); //Set the id of the proccess to whatever remains of the line after the "ID: "
//As we've read in the ID, we shall assume the following lines (until "END") are all part of the process definition.
while(fileReader.hasNextLine())
{ {
break; line = fileReader.nextLine();
}
else if(line.startsWith("Arrive:"))
{
temp.setArrive(Integer.parseInt(line.substring(8)));
}
else if(line.startsWith("ExecSize:")) if(line.equals("END"))
{ {
break;
}
temp.setSize(Integer.parseInt(line.substring(10))); else if(line.startsWith("Arrive:"))
} {
temp.setArrive(Integer.parseInt(line.substring(8)));
else if(line.startsWith("Tickets:")) }
{
temp.setTickets(Integer.parseInt(line.substring(9)));
}
else else if(line.startsWith("ExecSize:"))
{ {
//Delete process?
temp.setSize(Integer.parseInt(line.substring(10)));
}
else if(line.startsWith("Tickets:"))
{
temp.setTickets(Integer.parseInt(line.substring(9)));
}
else
{
//Delete process?
}
} }
}
processList.add(temp); processList.add(temp);
} }
//If we read the line "BEGINRANDOM", we've started the random numbers section. Until the "ENDRANDOM" line, //If we read the line "BEGINRANDOM", we've started the random numbers section. Until the "ENDRANDOM" line,
//we'll just keep reading in each number (and it is assumed each line is a single number) and adding it //we'll just keep reading in each number (and it is assumed each line is a single number) and adding it
//to the random number array. //to the random number array.
else if(line.equals("BEGINRANDOM")) else if(line.equals("BEGINRANDOM"))
{
while(fileReader.hasNextLine())
{ {
line = fileReader.nextLine(); while(fileReader.hasNextLine())
{
line = fileReader.nextLine();
if(line.equals("ENDRANDOM")) if(line.equals("ENDRANDOM"))
{ {
break; break;
} }
else else
{ {
randomNum.add(Integer.parseInt(line)); randomNum.add(Integer.parseInt(line));
}
} }
} }
} }
fileReader.close();
}
//If the file isn't found, throw a hissy fit.
catch (FileNotFoundException e) {
System.out.println("File not found.");
//e.printStackTrace(); //Optional, shows more data.
} }
fileReader.close();
}
//If the file isn't found, throw a hissy fit.
catch (FileNotFoundException e) {
System.out.println("File not found.");
//e.printStackTrace(); //Optional, shows more data.
} }
sc.close();
} }
public void printFile() public void printFile()

11
Algorithm.java
View File

@ -220,4 +220,15 @@ public class Algorithm {
return turnTime/processListFromFile.size(); return turnTime/processListFromFile.size();
} }
public double averageWaitTime()
{
double waitTime = 0;
for(int i = 0; i<processListFromFile.size(); i++)
{
waitTime+= processListFromFile.get(i).getWaitTime();
}
return waitTime/processListFromFile.size();
}
} }