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MultiServer.java
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MultiServer.java
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package modelingproject;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.util.ArrayList;
import java.util.Scanner;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
public class MultiServer extends JFrame implements ActionListener {
Scanner sc = new Scanner(System.in);
static int customerSize;
JLabel enter;
JTextField txt1, txt2;
ArrayList<JTextField> txt3, txt4;
JPanel p, p1, p2, p3;
JTable table;
JButton b1;
static int numberOfServers = 0;
static int max = 0;
static double waitingaverage = 0;
static float serviceaverage = 0;
static int[] customer;
static int[] timeBetweenArrivals;
static int[] arrivalTime;
static int[] serviceTime;
static int[] timeInQueue;
int counter = 0;
int min = 10000;
int index = 0;
static double totalServiceTime1 = 0;
static ArrayList<ArrayList<int[]>> servers = new ArrayList();
static ArrayList<Double> totalServiceTime = new ArrayList();
static ArrayList<Double> avergaeTimeBusy = new ArrayList();
static ArrayList<Double> avergaeTimeIdle = new ArrayList();
static int endOfServerA, endOfServerB, endOfServerC;
static int totalServiceTimeA, totalServiceTimeB, totalServiceTimeC;
static double totalTimeWaitInQueue;
static int avWaiting;
JLabel l1, l2, l3, l4;
public MultiServer() {
numberOfServers = Integer.parseInt(MultiServerInput.txt2.getText());
p1 = new JPanel();
p = new JPanel();
p2 = new JPanel();
l1 = new JLabel();
l1.setFont(new Font("Arial", Font.BOLD, 16));
l1.setForeground(new Color(0, 97, 169));
this.add(p1);
p1.setLayout(new GridLayout(3, 1));
txt1 = new JTextField();
txt1.setColumns(2);
customerSize = (int) Integer.parseInt(MultiServerInput.txt.getText());
customer = new int[customerSize];
timeBetweenArrivals = new int[customerSize];
arrivalTime = new int[customerSize];
serviceTime = new int[customerSize];
timeInQueue = new int[customerSize];
txt3 = new ArrayList();
p.setLayout(new GridLayout((customerSize), 1));
for (int i = 0; i < customerSize; i++) {
l2 =
new JLabel(
"please enter time between arrival between customer " +
(i + 1) +
" and customer " +
(i) +
" :"
);
l2.setFont(new Font("Arial", Font.BOLD, 16));
l2.setForeground(new Color(0, 97, 169));
p.add(l2);
p.setLayout(new FlowLayout());
p.setBackground(Color.white);
txt2 = new JTextField();
txt2.setColumns(5);
txt3.add(txt2);
p.add(txt3.get(i));
}
p2.setLayout(new GridLayout((customerSize) + 1, 1));
txt4 = new ArrayList();
for (int i = 0; i < customerSize; i++) {
l2 = new JLabel("please enter service time of customer :" + (i + 1));
l2.setFont(new Font("Arial", Font.BOLD, 16));
l2.setForeground(new Color(0, 97, 169));
p2.add(l2);
p2.setBackground(Color.white);
p2.setLayout(new FlowLayout());
txt2 = new JTextField();
txt2.setColumns(5);
txt4.add(txt2);
p2.add(txt4.get(i));
}
p3 = new JPanel();
p3.setBackground(Color.white);
b1 = new JButton("Next");
b1.setPreferredSize(new Dimension(150, 40));
p3.add(b1);
b1.addActionListener(this);
JPanel p4 = new JPanel();
l4 = new JLabel("average waiting time:" + MultiServer.waitingaverage);
p4.add(l4);
p1.add(p);
p1.add(p2);
p1.add(p3);
}
public void close() {
WindowEvent closeWindow = new WindowEvent(this, WindowEvent.WINDOW_CLOSING);
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(closeWindow);
}
public void customer() {
for (int i = 0; i < customerSize; i++) {
customer[i] = i + 1;
}
}
public void timeBetweenArrivals() {
for (int i = 0; i < txt3.size(); i++) {
// timeBetweenArrivals.add(Integer.parseInt(txt3.get(i).getText()));
timeBetweenArrivals[i] = (Integer.parseInt(txt3.get(i).getText()));
}
}
@Override
public void actionPerformed(ActionEvent ae) {
Object o = ae.getSource();
if (o == b1) {
//customer column
customer();
//Time between arrivals column
timeBetweenArrivals();
//Service time
for (int i = 0; i < customerSize; i++) {
serviceTime[i] = (Integer.parseInt(txt4.get(i).getText()));
}
//arrival time coloumn
for (int i = 0; i < arrivalTime.length; i++) {
if (i - 1 == -1) {
arrivalTime[i] = 0;
} else {
arrivalTime[i] = timeBetweenArrivals[i] + arrivalTime[i - 1];
}
}
for (int i = 0; i < numberOfServers; i++) {
ArrayList<int[]> s = new ArrayList();
int[] serviceBegin = new int[customerSize];
int[] serviceEnd1 = new int[customerSize];
int[] serviceEnd = new int[numberOfServers];
int[] serviceTimes = new int[customerSize];
s.add(serviceBegin);
s.add(serviceEnd1);
s.add(serviceEnd);
s.add(serviceTimes);
servers.add(s);
}
//servers
for (int i = 0; i < customerSize; i++) {
if (i == 0) {
servers.get(0).get(0)[0] = arrivalTime[i];
servers.get(0).get(1)[0] = servers.get(i).get(0)[0] + serviceTime[i];
servers.get(0).get(2)[0] = servers.get(i).get(1)[i];
servers.get(0).get(3)[0] = servers.get(0).get(2)[0];
timeInQueue[i] = servers.get(0).get(0)[0] - arrivalTime[i];
} else {
for (int j = 0; j < numberOfServers; j++) {
if (arrivalTime[i] >= servers.get(j).get(2)[0]) {
servers.get(j).get(0)[i] = arrivalTime[i];
servers.get(j).get(1)[i] =
servers.get(j).get(0)[i] + serviceTime[i];
servers.get(j).get(2)[0] = servers.get(j).get(1)[i];
servers.get(j).get(3)[i] = serviceTime[i];
timeInQueue[i] = servers.get(j).get(0)[i] - arrivalTime[i];
break;
}
counter++;
}
if (counter == numberOfServers) {
for (int k = 0; k < numberOfServers; k++) {
if (min > servers.get(k).get(2)[0]) {
min = servers.get(k).get(2)[0];
index = k;
}
}
servers.get(index).get(0)[i] = servers.get(index).get(2)[0];
servers.get(index).get(1)[i] =
servers.get(index).get(0)[i] + serviceTime[i];
servers.get(index).get(2)[0] = servers.get(index).get(1)[i];
servers.get(0).get(3)[i] = serviceTime[i];
timeInQueue[i] = servers.get(index).get(0)[i] - arrivalTime[i];
}
counter = 0;
}
}
for (int i = 0; i < customerSize; i++) {
totalTimeWaitInQueue += timeInQueue[i];
}
for (int k = 0; k < numberOfServers; k++) {
for (int i = 0; i < customerSize; i++) {
totalServiceTime1 += servers.get(k).get(3)[i];
}
totalServiceTime.add(totalServiceTime1);
totalServiceTime1 = 0;
}
close();
MultiServerTable m = new MultiServerTable();
m.setSize(1650, 1080);
m.setVisible(true);
m.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
}
}