多道程序的转换调度.doc

多道程序的转换调度 课程名称: 实现多道程序的转换调度 编写人员：郭镭波 0510321209 编写日期： 2008.5.28 审批人员： 梅清 一．数据定义： 1.1任务数据： int id; //task id int enterSysTime; //task enter system time int evaluatedRunTime; //evaluated time to tun int priority; //priority of this task int mem; //the count of needed memory int disk; //the count of needed disk 1.2进程数据： int taskId; int state; // 0 creating,1 ready,2 runing,3 wait,4 stopped,5 destroying int priority; //priority of this process ,inherited from task int beginTime; //begin time of this process,according to task int evaluatedRunTime; //evaluated time to tun ,according to task int cpuTime; //used cup time of this process int mem; //how many memory this process need ,inherited form task int disk; //how many disk this process need ,inherited form task int endTime; //precess end time 1.3进程队列： LinkedListProcess process; //process in system 二，程序框图： Scheduler 调度类 Task 作业类 Process 进程类 Main 主类 三，程序源代码： public class Task { int id; //task id int enterSysTime; //task enter system time int evaluatedRunTime; //evaluated time to tun int priority; //priority of this task int mem; //the count of needed memory int disk; //the need of needed disk public Task(int id, int enterSysTime, int evaluatedRunTime, int priority, int mem, int disk) { super(); this.id = id; this.enterSysTime = enterSysTime; this.evaluatedRunTime = evaluatedRunTime; this.priority = priority; this.mem = mem; this.disk = disk; } public int getId() { return id; } public void setId(int id) { this.id = id; } public int getEnterSysTime() { return enterSysTime; } public void setEnterSysTime(int enterSysTime) { this.enterSysTime = enterSysTime; } public int getEvaluatedRunTime() { return evaluatedRunTime; } public void setEvaluatedRunTime(int evaluatedRunTime) { this.evaluatedRunTime = evaluatedRunTime; } public int getPriority() { return priority; } public void setPriority(in