Java实现模拟单处理器的进程调度.zip

package sample; import javafx.scene.control.TextArea; import javafx.fxml.FXML; import javafx.scene.control.Button; import javafx.scene.control.TextField; import java.util.ArrayList; import java.util.Iterator; import javax.swing.*; import javafx.event.ActionEvent; import java.util.LinkedList; public class Controller implements Cloneable { @FXML private TextField txtname,txtpriority,txttime; @FXML private Button onadd,onRR,onPRI,onSPN,onSRT; @FXML public TextArea txtprocess; private LinkedList<PCB> pcblist = new LinkedList<PCB>(); private int space=10;//空闲PCB数量 public void onaddaction(ActionEvent event) { if (txtname.getText().isEmpty()|| txtpriority.getText().isEmpty()|| txttime.getText().isEmpty()) {//不完整 txtname.setText(""); txtpriority.setText(""); txttime.setText(""); JOptionPane.showMessageDialog(null,"还有参数未填写"); }else if (Integer.parseInt(txttime.getText().trim())<0|| Integer.parseInt(txtpriority.getText().trim())<0 || space<=0){ if (Integer.parseInt(txttime.getText().trim())<0) JOptionPane.showMessageDialog(null,"剩余时间不能小于0"); if (Integer.parseInt(txtpriority.getText().trim())<0) JOptionPane.showMessageDialog(null,"优先级不能小于0"); if (space<=0) JOptionPane.showMessageDialog(null,"无空闲PCB"); txtname.setText(""); txtpriority.setText(""); txttime.setText(""); } else { for (int i=0;i<pcblist.size();i++){ if (pcblist.get(i).getName()==Integer.parseInt(txtname.getText())){ txtname.setText(""); txtpriority.setText(""); txttime.setText(""); JOptionPane.showMessageDialog(null,"该进程标识符已存在"); return; } } PCB pcb1 = new PCB(Integer.parseInt(txtname.getText()), 0, Integer.parseInt(txtpriority.getText()), Integer.parseInt(txttime.getText())); pcblist.add(pcb1); space--; txtname.setText(""); txtpriority.setText(""); txttime.setText(""); JOptionPane.showMessageDialog(null,"添加成功"); } } public void onRRaction (ActionEvent event){ LinkedList<PCB> pcblist_copy = new LinkedList<PCB>(); Iterator<PCB> it = pcblist.iterator(); while (it.hasNext()) { pcblist_copy.add((it.next()).clone()); }//深度克隆 txtprocess.setText("");//将上一次结果清空 RR rr = new RR(pcblist_copy,txtprocess); } public void onPRIaction(ActionEvent event){ LinkedList<PCB> pcblist_copy = new LinkedList<PCB>(); Iterator<PCB> it = pcblist.iterator(); while (it.hasNext()) { pcblist_copy.add((it.next()).clone()); }//深度克隆 txtprocess.setText("");//将上一次结果清空 PRI pri = new PRI(pcblist_copy,txtprocess); } public void onSPNaction(ActionEvent event){ LinkedList<PCB> pcblist_copy = new LinkedList<PCB>(); Iterator<PCB> it = pcblist.iterator(); while (it.hasNext()) { pcblist_copy.add((it.next()).clone()); }//深度克隆 txtprocess.setText("");//将上一次结果清空 new Thread(new NewSPN(new ArrayList<>(pcblist_copy),txtprocess)).run(); } public void onSRTaction(ActionEvent event){ LinkedList<PCB> pcblist_copy = new LinkedList<PCB>(); Iterator<PCB> it = pcblist.iterator(); while (it.hasNext()) { pcblist_copy.add((it.next()).clone()); }//深度克隆 txtprocess.setText("");//将上一次结果清空 SRT srt = new SRT(pcblist_copy,txtprocess); } }