package com.zzu.os;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JComboBox;
@SuppressWarnings("serial")
public class MyJFrame extends javax.swing.JFrame
{
//算法名字列表
private javax.swing.JComboBox chooseNameComboBox;
//选择算法名字的提示框
private javax.swing.JLabel chooseNameLable;
//选择物理块个数的列表
private javax.swing.JComboBox chooseNumberComboBox;
private javax.swing.JComboBox timeComboBox;
//被淘汰的页面×
private java.awt.Label error1;
private java.awt.Label error2;
private java.awt.Label error3;
private java.awt.Label error4;
private java.awt.Label error5;
private java.awt.Label error6;
private java.awt.Label error7;
private java.awt.Label error8;
//错误提示框
private javax.swing.JLabel errorMessage;
//标题标签
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel timeLabel;
//内存页面的置换（详细情况）
private java.awt.TextArea messageTextArea;
//存放页面的物理块
private java.awt.Label number1;
private java.awt.Label number2;
private java.awt.Label number3;
private java.awt.Label number4;
private java.awt.Label number5;
private java.awt.Label number6;
private java.awt.Label number7;
private java.awt.Label number8;
//提示输入页面序列的标签
private javax.swing.JLabel queueLabel;
//输入页面序列的文本框
private javax.swing.JTextField queueTextFiled;
//产生中断请求的页面√
private java.awt.Label right1;
private java.awt.Label right2;
private java.awt.Label right3;
private java.awt.Label right4;
private java.awt.Label right5;
private java.awt.Label right6;
private java.awt.Label right7;
private java.awt.Label right8;
//开始模拟的按钮
private javax.swing.JButton startButton;
private javax.swing.JLabel tipLabel;
private javax.swing.JLabel titleLabel;
public MyJFrame()
{
initComponents();
}
private void initComponents()
{
titleLabel = new javax.swing.JLabel();
queueLabel = new javax.swing.JLabel();
queueTextFiled = new javax.swing.JTextField();
chooseNameLable = new javax.swing.JLabel();
chooseNameComboBox = new javax.swing.JComboBox();
jLabel1 = new javax.swing.JLabel();
chooseNumberComboBox = new javax.swing.JComboBox();
startButton = new javax.swing.JButton();
tipLabel = new javax.swing.JLabel();
errorMessage = new javax.swing.JLabel();
messageTextArea = new java.awt.TextArea();
number1 = new java.awt.Label();
error1 = new java.awt.Label();
right1 = new java.awt.Label();
number2 = new java.awt.Label();
number3 = new java.awt.Label();
number4 = new java.awt.Label();
number5 = new java.awt.Label();
number6 = new java.awt.Label();
number7 = new java.awt.Label();
number8 = new java.awt.Label();
right2 = new java.awt.Label();
error2 = new java.awt.Label();
right3 = new java.awt.Label();
error3 = new java.awt.Label();
right4 = new java.awt.Label();
error4 = new java.awt.Label();
right5 = new java.awt.Label();
error5 = new java.awt.Label();
right6 = new java.awt.Label();
error6 = new java.awt.Label();
right7 = new java.awt.Label();
error7 = new java.awt.Label();
right8 = new java.awt.Label();
error8 = new java.awt.Label();
timeLabel = new javax.swing.JLabel();
timeComboBox = new javax.swing.JComboBox();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("页面置换算法模拟系统");
setResizable(false);
titleLabel.setBackground(new java.awt.Color(102, 102, 102));
titleLabel.setFont(new java.awt.Font("宋体", 1, 24)); // NOI18N
titleLabel.setForeground(new java.awt.Color(0, 0, 153));
titleLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
titleLabel.setText("欢迎进入页面置换算法模拟系统");
titleLabel.setToolTipText("Welcome Title");
queueLabel.setBackground(new java.awt.Color(0, 204, 51));
queueLabel.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
queueLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
queueLabel.setLabelFor(titleLabel);
queueLabel.setText("请您输入要进入内存的页面序列（各页面用空格分割并且各页面号为非负整数）：");
queueLabel.setToolTipText("请输入非负整数");
queueTextFiled.setToolTipText("请您输入非负整数且用空格分割开");
chooseNameLable.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
chooseNameLable.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
chooseNameLable.setText("请选择要模拟的算法名称：");
chooseNameComboBox.setFont(new java.awt.Font("宋体", 0, 14)); // NOI18N
chooseNameComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Optimal", "FIFO", "LRU", "NRU", "改进Clock" }));
chooseNameComboBox.setToolTipText("请选择");
chooseNameComboBox.setAutoscrolls(true);
jLabel1.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
jLabel1.setText("请选择物理块的个数：");
chooseNumberComboBox.setFont(new java.awt.Font("宋体", 0, 14)); // NOI18N
chooseNumberComboBox.setMaximumRowCount(10);
chooseNumberComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "2", "3", "4", "5", "6", "7", "8" }));
chooseNumberComboBox.setToolTipText("请选择");
chooseNumberComboBox.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
chooseNumberComboBoxActionPerformed(evt);
}
});
startButton.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
startButton.setText("开始模拟");
startButton.setToolTipText("请单击");
startButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
try
{
startButtonActionPerformed(evt);
} catch (InterruptedException e)
{
e.printStackTrace();
}
}
});
tipLabel.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
tipLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
tipLabel.setText("运行结果：");
errorMessage.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
errorMessage.setForeground(new java.awt.Color(255, 0, 0));
number1.setAlignment(java.awt.Label.CENTER);
number1.setBackground(new java.awt.Color(204, 0, 0));
number1.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number1.setName("number1"); // NOI18N
error1.setAlignment(java.awt.Label.CENTER);
error1.setBackground(new java.awt.Color(204, 204, 0));
right1.setAlignment(java.awt.Label.CENTER);
right1.setBackground(new java.awt.Color(204, 204, 0));
number2.setAlignment(java.awt.Label.CENTER);
number2.setBackground(new java.awt.Color(204, 0, 0));
number2.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number2.setName("number1"); // NOI18N
number3.setAlignment(java.awt.Label.CENTER);
number3.setBackground(new java.awt.Color(204, 0, 0));
number3.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number3.setName("number1"); // NOI18N
number4.setAlignment(java.awt.Label.CENTER);
number4.setBackground(new java.awt.Color(204, 0, 0));
number4.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number4.setName("number1"); // NOI18N
number5.setAlignment(java.awt.Label.CENTER);
number5.setBackground(new java.awt.Color(204, 0, 0));
number5.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number5.setName("number1"); // NOI18N
number6.setAlignment(java.awt.Label.CENTER);
number6.setBackground(new java.awt.Color(204, 0, 0));
number6.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number6.setName("number1"); // NOI18N
number7.setAlignment(java.awt.Label.CENTER);
number7.setBackground(new java.awt.Color(204, 0, 0));
number7.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number7.setName("number1"); // NOI18N
number8.setAlignment(java.awt.Label.CENTER);
number8.setBackground(new java.awt.Color(204, 0, 0));
number8.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
number8.setName("number1"); // NOI18N
right2.setAlignment(java.awt.Label.CENTER);
right2.setBackground(new java.awt.Color(204, 204, 0));
error2.setAlignment(java.awt.Label.CENTER);
error2.setBackground(new java.awt.Color(204, 204, 0));
right3.setAlignment(java.awt.Label.CENTER);
right3.setBackground(new java.awt.Color(204, 204, 0));
error3.setAlignment(java.awt.Label.CENTER);
error3.setBackground(new java.awt.Color(204, 204, 0));
right4.setAlignment(java.awt.Label.CENTER);
right4.setBackground(new java.awt.Color(204, 204, 0));
error4.setAlignment(java.awt.Label.CENTER);
error4.setBackground(new java.awt.Color(204, 204, 0));
right5.setAlignment(java.awt.Label.CENTER);
right5.setBackground(new java.awt.Color(204, 204, 0));
error5.setAlignment(java.awt.Label.CENTER);
error5.setBackground(new java.awt.Color(204, 204, 0));
right6.setAlignment(java.awt.Label.CENTER);
right6.setBackground(new java.awt.Color(204, 204, 0));
error6.setAlignment(java.awt.Label.CENTER);
error6.setBackground(new java.awt.Color(204, 204, 0));
right7.setAlignment(java.awt.Label.CENTER);
right7.setBackground(new java.awt.Color(204, 204, 0));
error7.setAlignment(java.awt.Label.CENTER);
error7.setBackground(new java.awt.Color(204, 204, 0));
right8.setAlignment(java.awt.Label.CENTER);
right8.setBackground(new java.awt.Color(204, 204, 0));
error8.setAlignment(java.awt.Label.CENTER);
error8.setBackground(new java.awt.Color(204, 204, 0));
timeLabel.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
timeLabel.setText("请选择运行延迟的时间（单位：秒）：");
timeComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "1", "2", "3", "4", "5" }));
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(125, 125, 125)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tipLabel)
.addGroup(layout.createSequentialGroup()
.addComponent(number2, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right2, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error2, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number3, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right3, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error3, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number4, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right4, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error4, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number5, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right5, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error5, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number6, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right6, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error6, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number7, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right7, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error7, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number8, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error8, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right8, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(number1, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(right1, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error1, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(messageTextArea, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 710, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(startButton, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 112, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addComponent(chooseNameLable)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(chooseNameComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 109, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(timeLabel))
.addComponent(queueLabel, javax.swing.GroupLayout.DEFAULT_SIZE, 693, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 28, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(queueTextFiled, javax.swing.GroupLayout.PREFERRED_SIZE, 407, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(errorMessage, javax.swing.GroupLayout.PREFERRED_SIZE, 347, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createSequentialGroup()
.addComponent(timeComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 196, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(chooseNumberComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE)))))
.addGap(126, 126, 126))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(titleLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 495, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(319, 319, 319))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(71, 71, 71)
.addComponent(titleLabel)
.addGap(42, 42, 42)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(chooseNameLable)
.addComponent(chooseNameComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(chooseNumberComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(timeComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(timeLabel)))
.addGap(23, 23, 23)
.addComponent(errorMessage)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 16, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(queueLabel)
.addComponent(queueTextFiled, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(14, 14, 14)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(startButton, javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(tipLabel, javax.swing.GroupLayout.Alignment.TRAILING))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(right1, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(error1, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(number1, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(5, 5, 5)
.addComponent(number2, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error2, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addComponent(right2, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(5, 5, 5)
.addComponent(number3, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error3, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addComponent(right3, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(5, 5, 5)
.addComponent(number4, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error4, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addComponent(right4, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(5, 5, 5)
.addComponent(number5, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error5, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addComponent(right5, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(5, 5, 5)
.addComponent(number6, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(error6, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addComponent(right6, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(5, 5, 5)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(number7, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(right7, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(error7, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(5, 5, 5)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(number8, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(error8, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(right8, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addComponent(messageTextArea, javax.swing.GroupLayout.PREFERRED_SIZE, 387, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(73, 73, 73))
);
pack();
}
private void startButtonActionPerformed(java.awt.event.ActionEvent evt) throws InterruptedException
{
number1.setText("");
number2.setText("");
number3.setText("");
number4.setText("");
number5.setText("");
number6.setText("");
number7.setText("");
number8.setText("");
error1.setText("");
error2.setText("");
error3.setText("");
error4.setText("");
error5.setText("");
error6.setText("");
error7.setText("");
error8.setText("");
right1.setText("");
right2.setText("");
right3.setText("");
right4.setText("");
right5.setText("");
right6.setText("");
right7.setText("");
right8.setText("");
messageTextArea.setText("");
errorMessage.setText("");
// 获取页面号序列
String orderList = this.queueTextFiled.getText();
// 用空格进行分割
String temp[] = orderList.split(" ");
// 将分割后的页面号存放在数组
int page[] = new int[temp.length];
for (int i = 0; i < page.length; i++)
{
try
{
page[i] = Integer.parseInt(temp[i]);
} catch (Exception ex)
{
this.errorMessage.setText("装入内存的页面号输入错误，请重新输入。");
this.queueTextFiled.setText("");
return;
}
}
// 获得测试的算法名
String operateName = this.chooseNameComboBox.getSelectedItem()
.toString();
// 获得物理块的数量
int num = Integer.parseInt(this.chooseNumberComboBox.getSelectedItem()
.toString());
int sleepTime = Integer.parseInt(this.timeComboBox.getSelectedItem()
.toString());
sleepTime = sleepTime * 1000;
// 根据算法名运行相应的方法
if (operateName.equals("Optimal"))
{
Optimal(page, num,sleepTime);
} else if (operateName.equals("FIFO"))
{
FIFO(page, num,sleepTime);
} else if (operateName.equals("LRU"))
{
LRU(page, num,sleepTime);
} else if (operateName.equals("NRU"))
{
NRU(page, num,sleepTime);
}
else
{
betterNRU(page, num, sleepTime);
}
}
private void chooseNumberComboBoxActionPerformed(
java.awt.event.ActionEvent evt)
{
JComboBox temp = (JComboBox) (evt.getSource());
int num = temp.getSelectedIndex();
switch (num)
{
case 0:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(false);
number4.setVisible(false);
number5.setVisible(false);
number6.setVisible(false);
number7.setVisible(false);
number8.setVisible(false);
number8.setVisible(false);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(false);
right4.setVisible(false);
right5.setVisible(false);
right6.setVisible(false);
right7.setVisible(false);
right8.setVisible(false);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(false);
error4.setVisible(false);
error5.setVisible(false);
error6.setVisible(false);
error7.setVisible(false);
error8.setVisible(false);
break;
case 1:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(true);
number4.setVisible(false);
number5.setVisible(false);
number6.setVisible(false);
number7.setVisible(false);
number8.setVisible(false);
number8.setVisible(false);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(true);
right4.setVisible(false);
right5.setVisible(false);
right6.setVisible(false);
right7.setVisible(false);
right8.setVisible(false);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(true);
error4.setVisible(false);
error5.setVisible(false);
error6.setVisible(false);
error7.setVisible(false);
error8.setVisible(false);
break;
case 2:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(true);
number4.setVisible(true);
number5.setVisible(false);
number6.setVisible(false);
number7.setVisible(false);
number8.setVisible(false);
number8.setVisible(false);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(true);
right4.setVisible(true);
right5.setVisible(false);
right6.setVisible(false);
right7.setVisible(false);
right8.setVisible(false);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(true);
error4.setVisible(true);
error5.setVisible(false);
error6.setVisible(false);
error7.setVisible(false);
error8.setVisible(false);
break;
case 3:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(true);
number4.setVisible(true);
number5.setVisible(true);
number6.setVisible(false);
number7.setVisible(false);
number8.setVisible(false);
number8.setVisible(false);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(true);
right4.setVisible(true);
right5.setVisible(true);
right6.setVisible(false);
right7.setVisible(false);
right8.setVisible(false);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(true);
error4.setVisible(true);
error5.setVisible(true);
error6.setVisible(false);
error7.setVisible(false);
error8.setVisible(false);
break;
case 4:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(true);
number4.setVisible(true);
number5.setVisible(true);
number6.setVisible(true);
number7.setVisible(false);
number8.setVisible(false);
number8.setVisible(false);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(true);
right4.setVisible(true);
right5.setVisible(true);
right6.setVisible(true);
right7.setVisible(false);
right8.setVisible(false);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(true);
error4.setVisible(true);
error5.setVisible(true);
error6.setVisible(true);
error7.setVisible(false);
error8.setVisible(false);
break;
case 5:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(true);
number4.setVisible(true);
number5.setVisible(true);
number6.setVisible(true);
number7.setVisible(true);
number8.setVisible(true);
number8.setVisible(false);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(true);
right4.setVisible(true);
right5.setVisible(true);
right6.setVisible(true);
right7.setVisible(true);
right8.setVisible(false);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(true);
error4.setVisible(true);
error5.setVisible(true);
error6.setVisible(true);
error7.setVisible(true);
error8.setVisible(false);
break;
default:
number1.setVisible(true);
number2.setVisible(true);
number3.setVisible(true);
number4.setVisible(true);
number5.setVisible(true);
number6.setVisible(true);
number7.setVisible(true);
number8.setVisible(true);
number8.setVisible(true);
right1.setVisible(true);
right2.setVisible(true);
right3.setVisible(true);
right4.setVisible(true);
right5.setVisible(true);
right6.setVisible(true);
right7.setVisible(true);
right8.setVisible(true);
error1.setVisible(true);
error2.setVisible(true);
error3.setVisible(true);
error4.setVisible(true);
error5.setVisible(true);
error6.setVisible(true);
error7.setVisible(true);
error8.setVisible(true);
break;
}
}
// 将数组转化为以[ , , , ]的格式字符串
public String outPut(int n[])
{
String str = "";
for (int i = 0; i < n.length; i++)
{
if (i == 0)
{
str += "[" + n[i] + ",";
} else if (i == n.length - 1)
{
str += n[i] + "]";
} else
{
str += n[i] + ",";
}
}
return str;
}
//将√和×全部清空
public void setNull()
{
right1.setText("");
right2.setText("");
right3.setText("");
right4.setText("");
right5.setText("");
right6.setText("");
right7.setText("");
right8.setText("");
error1.setText("");
error2.setText("");
error3.setText("");
error4.setText("");
error5.setText("");
error6.setText("");
error7.setText("");
error8.setText("");
}
// LRU测试算法的模拟
public void LRU(int n[], int num, int sleepTime) throws InterruptedException
{
// 用于存放进入内存的页面
int temp[] = new int[num];
// 始终与内存中的页面顺序保持一致
int temp_t[] = new int[num];
// 初始内存中页面都为-1，即-1代表内存中的该位置为空
for (int i = 0; i < temp.length; i++)
{
temp[i] = -1;
temp_t[i] = -1;
}
// 缺页中断的次数
int line = 0;
int line_t = 0;
for (int i = 0; i < n.length; i++)
{
boolean b = true;
// 判断一下内存中是否有将要装入内存的页面
for (int j = 0; j < temp.length; j++)
{
if (n[i] == temp[j])
{
b = false;
break;
}
}
// 如果没有
if (b)
{
// 当物理块没有装满时，依次将要装入的页面装入内存
if (line < num)
{
temp[line++] = n[i];
temp_t[line_t++] = n[i];
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页被装入内存，物理块的结果为: " + outPut(temp_t));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
setNull();
switch (line)
{
case 1:
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
break;
case 2:
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
break;
case 3:
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
break;
case 4:
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
break;
case 5:
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
break;
case 6:
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
break;
case 7:
setNull();
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
break;
case 8:
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
break;
}
Thread.sleep(sleepTime);
}
// 否则的话：淘汰未来不会再使用或者最久被使用的页面
else
{
//将最长时间未被使用的页面号保存下来
int temp_1 = temp[0];
//将数组向前挪一个位置
for (int j = 1; j < temp.length; j++)
{
temp[j - 1] = temp[j];
}
//将页面放到最后一个位置
temp[temp.length - 1] = n[i];
int k = 0;
//在内存中找到要淘汰页面的位置
for (int j = 0; j < temp_t.length; j++)
{
if (temp_t[j] == temp_1)
{
temp_t[j] = n[i];
k = j + 1;
break;
}
}
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i]
+ "号页被装入内存，"
+ temp_1
+ "号页被换出，物理块的结果为: "
+ outPut(temp_t));
messageTextArea.append("\n");
setNull();
switch (k)
{
case 1:
error1.setText("×");
Thread.sleep(sleepTime);
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 2:
error2.setText("×");
Thread.sleep(sleepTime);
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 3:
error3.setText("×");
Thread.sleep(sleepTime);
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 4:
error4.setText("×");
Thread.sleep(sleepTime);
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 5:
error5.setText("×");
Thread.sleep(sleepTime);
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 6:
setNull();
error6.setText("×");
Thread.sleep(sleepTime);
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 7:
setNull();
error7.setText("×");
Thread.sleep(sleepTime);
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 8:
error8.setText("×");
Thread.sleep(sleepTime);
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
}
line++;
}
}
// 如果要装入内存中的页面，内存中已存在
else
{
//改变一下页面序列（以使用时间长度排序）
for (int j = 0; j < temp.length; j++)
{
if (temp[j] == n[i])
{
for (int j2 = j; j2 < temp.length - 1; j2++)
{
temp[j2] = temp[j2 + 1];
}
temp[temp.length - 1] = n[i];
}
}
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页已在内存，物理块的结果为: " + outPut(temp_t));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
}
}
double number = line;
double sum = n.length;
//计算出页面中断的次数、页面个数和缺页中断率。
messageTextArea.append("缺页中断次数：" + line + ", 页面序列的总长度：" + n.length
+ ", 缺页中断率:" + number / sum * 100 + "%");
}
// FIFO测试算法的模拟
public void FIFO(int n[], int num, int sleepTime) throws InterruptedException
{
// 存放内存中页面
int temp[] = new int[num];
int temp_t[] = new int[num];
// 初始另内存中页面都为-1，即-1代表内存中的该位置为空
for (int i = 0; i < temp.length; i++)
{
temp[i] = -1;
temp_t[i] = -1;
}
// 缺页中断的次数
int line = 0;
int line_t = 0;
for (int i = 0; i < n.length; i++)
{
boolean b = true;
// 判断一下内存中是否有将要装入内存的页面
for (int j = 0; j < temp.length; j++)
{
if (n[i] == temp[j])
{
b = false;
break;
}
}
// 如果没有
if (b)
{
// 当物理块没有装满时，依次将要装入的页面装入内存
if (line < num)
{
temp[line++] = n[i];
temp_t[line_t++] = n[i];
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页被装入内存，物理块的结果为: " + outPut(temp_t));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
setNull();
switch (line)
{
case 1:
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
break;
case 2:
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
break;
case 3:
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
break;
case 4:
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
break;
case 5:
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
break;
case 6:
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
break;
case 7:
setNull();
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
break;
case 8:
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
break;
}
Thread.sleep(sleepTime);
}
// 否则的话：淘汰未来不会再使用或者最久被使用的页面
else
{
int temp_1 = temp[0];
for (int j = 1; j < temp.length; j++)
{
temp[j - 1] = temp[j];
}
temp[temp.length - 1] = n[i];
int k = 0;
for (int j = 0; j < temp_t.length; j++)
{
if (temp_t[j] == temp_1)
{
temp_t[j] = n[i];
k = j + 1;
}
}
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i]
+ "号页被装入内存，"
+ temp_1
+ "号页被换出，物理块的结果为: "
+ outPut(temp_t));
messageTextArea.append("\n");
setNull();
switch (k)
{
case 1:
error1.setText("×");
Thread.sleep(sleepTime);
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 2:
error2.setText("×");
Thread.sleep(sleepTime);
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 3:
error3.setText("×");
Thread.sleep(sleepTime);
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 4:
error4.setText("×");
Thread.sleep(sleepTime);
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 5:
error5.setText("×");
Thread.sleep(sleepTime);
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 6:
setNull();
error6.setText("×");
Thread.sleep(sleepTime);
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 7:
setNull();
error7.setText("×");
Thread.sleep(sleepTime);
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 8:
error8.setText("×");
Thread.sleep(sleepTime);
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
}
line++;
}
} // 如果要装入内存中的页面，内存中已存在
else
{
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页已在内存，物理块的结果为: " + outPut(temp_t));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
}
}
double number = line;
double sum = n.length;
messageTextArea.append("缺页中断次数：" + line + ", 页面序列的总长度：" + n.length
+ ", 缺页中断率:" + number / sum * 100 + "%");
}
// Optimal测试算法的模拟
public void Optimal(int n[], int num, int sleepTime) throws InterruptedException
{
//存放内存中页面
int temp[] = new int[num];
//初始另内存中页面都为-1，即-1代表内存中的该位置为空
for (int i = 0; i < temp.length; i++) {
temp[i] = -1;
}
int line = 0;
for (int i = 0; i < n.length; i++) {
boolean b = true;
//判断一下内存中是否有将要装入内存的页面
for (int j = 0; j < temp.length; j++) {
if (n[i] == temp[j]) {
b = false;
break;
}
}
//如果没有
if (b) {
//当物理块没有装满时，依次将要装入的页面装入内存
if (line < num) {
temp[line++] = n[i];
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页被装入内存，物理块的结果为: " + outPut(temp));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
setNull();
switch (line)
{
case 1:
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
break;
case 2:
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
break;
case 3:
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
break;
case 4:
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
break;
case 5:
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
break;
case 6:
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
break;
case 7:
setNull();
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
break;
case 8:
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
break;
}
Thread.sleep(sleepTime);
} //否则的话：淘汰未来不会再使用或者最久被使用的页面
else {
int max = -1;
//依次遍历内存中页面
for (int k = 0; k < temp.length; k++) {
int tem = 0;
//从当前的要装入内存的页面开始遍历数组，找出最久被使用的页面淘汰
for (int j = i; j < n.length; j++) {
if (temp[k] == n[j]) {
if (j > max) {
max = j;
}
//如果将要进入内存的页面中有在内存中的页面temp[k]时，另tem = 1
tem = 1;
break;
}
}
//如果temp[k]在将要装入内存的页面中不存在则将其淘汰，将n[i]换入
if (tem == 0) {
int temp_1 = temp[k];
temp[k] = n[i];
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i]
+ "号页被装入内存，"
+ temp_1
+ "号页被换出，物理块的结果为: "
+ outPut(temp));
messageTextArea.append("\n");
setNull();
switch (k + 1)
{
case 1:
error1.setText("×");
Thread.sleep(sleepTime);
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 2:
error2.setText("×");
Thread.sleep(sleepTime);
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 3:
error3.setText("×");
Thread.sleep(sleepTime);
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 4:
error4.setText("×");
Thread.sleep(sleepTime);
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 5:
error5.setText("×");
Thread.sleep(sleepTime);
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 6:
error6.setText("×");
Thread.sleep(sleepTime);
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 7:
error7.setText("×");
Thread.sleep(sleepTime);
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 8:
error8.setText("×");
Thread.sleep(sleepTime);
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
}
b = false;
line++;
break;
}
}
//如果在内存中页面在将要装入内存的页面中都将被使用，则将最久被使用的页面淘汰
if (b) {
for (int j = 0; j < temp.length; j++) {
if (temp[j] == n[max])
{
int temp_1 = temp[j];
temp[j] = n[i];
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i]
+ "号页被装入内存，"
+ temp_1
+ "号页被换出，物理块的结果为: "
+ outPut(temp));
messageTextArea.append("\n");
setNull();
switch (j + 1)
{
case 1:
error1.setText("×");
Thread.sleep(sleepTime);
right1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 2:
error2.setText("×");
Thread.sleep(sleepTime);
right2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 3:
error3.setText("×");
Thread.sleep(sleepTime);
right3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 4:
error4.setText("×");
Thread.sleep(sleepTime);
right4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 5:
error5.setText("×");
Thread.sleep(sleepTime);
right5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 6:
error6.setText("×");
Thread.sleep(sleepTime);
right6.setText("√");
Thread.sleep(sleepTime);
number6.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 7:
error7.setText("×");
Thread.sleep(sleepTime);
right7.setText("√");
Thread.sleep(sleepTime);
number7.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
case 8:
error8.setText("×");
Thread.sleep(sleepTime);
right8.setText("√");
Thread.sleep(sleepTime);
number8.setText(n[i] + "");
Thread.sleep(sleepTime);
break;
}
line++;
break;
}
}
}
}
} //如果要装入内存中的页面，内存中已存在
else
{
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页已在内存，物理块的结果为: " + outPut(temp));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
}
}
double number = line;
double sum = n.length;
//计算出页面中断的次数、页面个数和缺页中断率。
messageTextArea.append("缺页中断次数：" + line + ", 页面序列的总长度：" + n.length
+ ", 缺页中断率:" + number / sum * 100 + "%");
}
public void NRU(int n[], int num, int sleepTime) throws InterruptedException
{
//存放内存中的页面
int temp[] = new int[num];
//存放内存中页面的访问位
int bit[] = new int[num];
//初始化内存中的页面与访问位
for (int i = 0; i < temp.length; i++)
{
temp[i] = -1;
bit[i] = -1;
}
//内存数组的下标
int line = 0;
//访问位数组的下标
int line_k = 0;
for (int i = 0; i < n.length; i++) {
//标记位
boolean b = true;
//如果内存中存在将要进入的页面将其下标记录
int temp_index = -1;
//判断一下内存中是否有将要装入内存的页面
for (int j = 0; j < temp.length; j++) {
if (n[i] == temp[j]) {
b = false;
temp_index = j;
break;
}
}
//如果没有
if (b) {
//当物理块没有装满时，依次将要装入的页面装入内存
if (line < num) {
//依次装入内存数组
temp[line++] = n[i];
//依次装入页面的访问位置为1
bit[line_k++] = 1;
//打印信息
messageTextArea.append(new SimpleDateFormat(
"yyyy-MM-dd hh:mm:ss").format(new Date())
+ ": "
+ n[i] + "号页被装入内存，物理块的结果为: " + outPut(temp));
messageTextArea.append("\n");
Thread.sleep(sleepTime);
//将页面后的组件清空
setNull();
//将进入内存的页面初始化
switch (line)
{
case 1:
right1.setText("A=1");
error1.setText("√");
Thread.sleep(sleepTime);
number1.setText(n[i] + "");
break;
case 2:
right2.setText("A=1");
error2.setText("√");
Thread.sleep(sleepTime);
number2.setText(n[i] + "");
break;
case 3:
right3.setText("A=1");
error3.setText("√");
Thread.sleep(sleepTime);
number3.setText(n[i] + "");
break;
case 4:
right4.setText("A=1");
error4.setText("√");
Thread.sleep(sleepTime);
number4.setText(n[i] + "");
break;
case 5:
right5.setText("A=1");
error5.setText("√");
Thread.sleep(sleepTime);
number5.setText(n[i] + "");
break;
case 6:
right6.setText("A=1");
最近下载更多
谢谢ddss LV1
2023年6月7日
m0NESY LV1
2023年2月21日
yiciyinghua LV1
2022年11月29日
zhendong LV7
2022年3月6日
1932332106 LV1
2021年12月22日
1932332229 LV1
2021年12月21日
Rossi_L LV1
2021年11月25日
msaisai LV1
2021年6月6日
158186 LV1
2021年5月29日
我是你爸爸啊啊啊 LV1
2020年12月15日
最近浏览更多
郭珈希
2023年12月25日
暂无贡献等级
孟凡玉
2023年11月15日
暂无贡献等级
谢谢ddss LV1
2023年6月7日
nnn0x0922_
2023年6月6日
暂无贡献等级
m0NESY LV1
2023年2月21日
yiciyinghua LV1
2022年11月29日
xuexizhuanyong23 LV16
2022年10月18日
8326586
2022年6月5日
暂无贡献等级
小阿九
2022年6月1日
暂无贡献等级
liys1234 LV9
2022年4月23日
