java实现的系统进程调度实验

这是一个系统模拟系统进程调度的例子。 实验一是模拟进程调度。实验二在实验一的基础上加了内存分配的模拟

package myExprimentOne;

import java.util.Vector;

import javax.swing.JTable;

import myExprimentOne.data.PCB;
import myExprimentOne.data.ProcessList;
import myExprimentOne.view.Mainframe;
import myExprimentOne.view.MyTableModel;

public class MainThread extends Thread {
	private Mainframe frame;

	// 挂起队列
	private ProcessList waitList;

	// 后备队列
	private ProcessList reserveList;

	// 就绪队列
	private ProcessList readyList;

	// 完成队列
	private ProcessList achiveList;

	// 最大道数
	private int maxProcess;

	private JTable table;

	private Vector tableData = new Vector（）;

	private Vector columNames = new Vector（）;

	private MyTableModel model;

	public MainThread（Mainframe frame） {
		this.frame = frame;
		this.waitList = frame.getWaitList（）;
		this.reserveList = frame.getReserveList（）;

		this.readyList = frame.getReadyList（）;
		this.maxProcess = frame.getMaxProcess（）;
		this.achiveList = frame.getAchieveList（）;
		this.table = frame.getProcessTable（）;
		this.columNames.add（“进程名“）;
		this.columNames.add（“要求运行的时间“）;
		this.columNames.add（“优先权“）;
		this.columNames.add（“状态“）;
		model = （MyTableModel） this.table.getModel（）;
	}

	public void run（） {
		while （true） {
			int ProcessNum = waitList.getSize（） + readyList.getSize（）;
			// 如有可能将后务队列中的进程调进
			if （ProcessNum < maxProcess） {
				while （this.reserveList.getSize（） > 0
						&& ProcessNum < maxProcess） {
					PCB selectedPCB = this.reserveList.get（0）;
					this.reserveList.removeProcess（selectedPCB）;
					selectedPCB.setState（“就绪状态“）;
					this.readyList.addProcess（selectedPCB）;
					this.readyList.sort（）;
					ProcessNum++;
					// 更新表
					
					for （int i = 0; i < model.getRowCount（）; i++） {
						System.out.println（“=========================“+i）;
						System.out.println（model.getValueAt（i 0）.toString（）
								.trim（））;
						if （（model.getValueAt（i 0）.toString（）.trim（））
								.equals（selectedPCB.getPId（）.trim（））） {
							model.setValueAt（“就绪状态“ i 3）;
							break;
						}
						i++;
					}
				}
			}
			// running一个进程。
			if （this.readyList.getSize（） > 0） {

				PCB selectPCB = this.readyList.get（0）;
				this.readyList.removeProcess（selectPCB）;
				selectPCB.setState（“运行状态“）;
				this.frame.setRunningPCB（selectPCB）;
				String name = selectPCB.getPId（）;
				int i = 0;
				for （; i < this.table.getRowCount（）; i++） {
					if （this.model.getValueAt（i 0）.equals（name）） {
						this.model.setValueAt（“运行状态“ i 3）;
						break;
					}
				}
				// 为了更好的看到实验结果，让进和睡3秒。
				try {
					this.sleep（3000）;
				} catch （InterruptedException e） {
				}
				this.model.setValueAt（selectPCB.getPriorityNum（） + 1 i 2）;

				selectPCB.setPriorityNum（selectPCB.getPriorityNum（） + 1）;

				this.model.setValueAt（selectPCB.getNeedTimes（） - 1 i 1）;
				selectPCB.setNeedTimes（selectPCB.getNeedTimes（） - 1）;
				if （selectPCB.getState（）.equals（“等待状态“）） {
					this.frame.setRunningP

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        391  2009-04-14 16:04  OperatingSystem\.project

     文件        339  2009-10-30 14:47  OperatingSystem\.classpath

     文件       3538  2009-05-14 22:43  OperatingSystem\source\myExprimentOne\MainThread.java

     文件       4372  2009-04-17 19:26  OperatingSystem\source\myExprimentOne\view\Mainframe.java

     文件        961  2009-04-14 23:36  OperatingSystem\source\myExprimentOne\view\MyTableModel.java

     文件       2226  2009-04-16 23:43  OperatingSystem\source\myExprimentOne\view\AddDialog.java

     文件        428  2009-04-15 00:08  OperatingSystem\source\myExprimentOne\control\MainAddLis.java

     文件       2012  2009-05-25 22:41  OperatingSystem\source\myExprimentOne\control\addDia\AddDialogLis.java

     文件       1126  2009-04-17 18:31  OperatingSystem\source\myExprimentOne\control\MainWaitLis.java

     文件        984  2009-04-17 19:31  OperatingSystem\source\myExprimentOne\control\MainStartLis.java

     文件       1202  2009-05-15 00:29  OperatingSystem\source\myExprimentOne\control\MainUnwaitLis.java

     文件       1314  2009-04-16 22:57  OperatingSystem\source\myExprimentOne\data\PCB.java

     文件       1766  2009-05-25 22:32  OperatingSystem\source\myExprimentOne\data\ProcessList.java

     文件       3568  2009-05-15 00:31  OperatingSystem\source\myExprimentOne\MainThreadP.java

     文件       3578  2009-05-15 00:28  OperatingSystem\source\myExprimentOne\MainThreadR.java

     文件       1639  2009-05-14 22:29  OperatingSystem\source\myExprimentTwo\data\PCB.java

     文件        712  2009-05-13 22:37  OperatingSystem\source\myExprimentTwo\data\MemoryItem.java

     文件       4328  2009-05-13 23:58  OperatingSystem\source\myExprimentTwo\data\MemoryItemVector.java

     文件        929  2009-05-14 02:09  OperatingSystem\source\myExprimentTwo\data\ProcessVector.java

     文件        557  2009-05-13 14:11  OperatingSystem\source\myExprimentTwo\data\MemoryItems.java

     文件        432  2009-05-14 01:56  OperatingSystem\source\myExprimentTwo\control\MainAddLis.java

     文件       2190  2009-05-14 23:15  OperatingSystem\source\myExprimentTwo\control\addDia\AddDialogLis.java

     文件        998  2009-05-14 17:01  OperatingSystem\source\myExprimentTwo\control\MainStartLis.java

     文件       1222  2009-05-15 00:31  OperatingSystem\source\myExprimentTwo\control\MainUnwaitLis.java

     文件       1060  2009-05-14 17:04  OperatingSystem\source\myExprimentTwo\control\MainWaitLis.java

     文件       5701  2009-05-14 23:25  OperatingSystem\source\myExprimentTwo\view\Mainframe.java

     文件        961  2009-05-14 00:11  OperatingSystem\source\myExprimentTwo\view\MyTableModel.java

     文件       1556  2009-05-14 23:20  OperatingSystem\source\myExprimentTwo\view\MemoryDraw.java

     文件       2912  2009-05-14 02:11  OperatingSystem\source\myExprimentTwo\view\AddDialog.java

     文件       4546  2009-10-30 14:46  OperatingSystem\source\myExprimentTwo\model\MainThreadP.java

............此处省略63个文件信息