Files
FH/WS23_24/Anwendungsentwicklung/src/PhilosophenPak/PhilosophenAIO.java
2024-02-11 21:25:40 +01:00

80 lines
2.0 KiB
Java

package PhilosophenPak;
import java.util.ArrayList;
public class PhilosophenAIO {
public static void main(String[] args) {
//int n =Integer.parseInt(args[0]);
int n = 5;
var pList = new ArrayList<Thread>();
var gList= new ArrayList<Gabel>();
for(int it =0;it<n;it++){
Gabel g=new Gabel(it);
gList.add(g);
}
for(int i=0;i<n;i++){
Gabel left = gList.get(i);
Gabel right;
if (i==0){
right = gList.get(gList.size()-1);
}else {
right = gList.get(i-1);
}
Thread t = new Philosoph("Philosoph "+i,left, right);
pList.add(t);
t.start();
}
}
}
class Philosoph extends Thread {
String name;
Gabel left,right;
public Philosoph(String pname,Gabel pleft, Gabel pright){
name=pname;
left=pleft;
right=pright;
}
@Override
public void run() {
while (true){
try {
Thread.sleep(500);
}catch (Exception e){
e.printStackTrace();
}
if(right.take(name)){
if(left.take(name)){
System.out.println(name+" " +"Yeeting");
right.place(name);
left.place(name);
}else{
right.place(name);
System.out.println(name+" hat kein links");
}
}else {
System.out.println(name+" hat kein rechts");
}
}
}
}
class Gabel {
public boolean takable =true;
int id;
public Gabel(int pID){
id=pID;
}
public synchronized boolean take(String name) {
if(!takable)
return false;
System.out.println(name+" hat Gabel "+id+" genommen");
takable=false;
return true;
}
public synchronized void place(String name){
System.out.println(name+" hat Gabel "+id+" zuruckgelegt");
takable = true;
}
}