Final version
parent
3cee7198b9
commit
285200c86e
|
@ -3,43 +3,53 @@ package pp;
|
|||
import java.util.Random;
|
||||
import java.util.concurrent.locks.Condition;
|
||||
import java.util.concurrent.locks.Lock;
|
||||
import java.util.concurrent.locks.ReentrantLock;
|
||||
|
||||
public class Philosopher extends Thread implements IPhilosopher {
|
||||
private int seat;
|
||||
private Philosopher rechts;
|
||||
private Philosopher links;
|
||||
private Lock table;
|
||||
private Condition condition ;
|
||||
private Condition condition;
|
||||
private volatile boolean stopped;
|
||||
private volatile boolean eating;
|
||||
private final Random random;
|
||||
|
||||
public Philosopher() {
|
||||
this.random = new Random();
|
||||
this.random = new Random();
|
||||
this.seat = 0;
|
||||
this.stopped = false;
|
||||
}
|
||||
|
||||
public static void main(String... args) {
|
||||
|
||||
// TODO
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
try {
|
||||
while (this.stopped == false) {
|
||||
think();
|
||||
eat();
|
||||
}
|
||||
} catch (InterruptedException e) {
|
||||
// Thread was interrupted, exit gracefully
|
||||
}
|
||||
}
|
||||
public void run() {
|
||||
try {
|
||||
while (this.stopped == false) {
|
||||
think();
|
||||
eat();
|
||||
}
|
||||
} catch (InterruptedException e) {
|
||||
// Thread was interrupted, exit gracefully
|
||||
}
|
||||
}
|
||||
|
||||
private void eat() throws InterruptedException {
|
||||
table.lock();
|
||||
try {
|
||||
|
||||
while(this.links.eating || this.rechts.eating)
|
||||
while (this.links.eating || this.rechts.eating) {
|
||||
log(seat, " : isst gerade!");
|
||||
this.condition.await();
|
||||
this.eating = true;
|
||||
}finally {
|
||||
}
|
||||
|
||||
this.eating = true;
|
||||
} finally {
|
||||
table.unlock();
|
||||
}
|
||||
Thread.sleep(this.random.nextInt(PhilosopherExperiment.MAX_EATING_DURATION_MS));
|
||||
|
@ -58,7 +68,6 @@ public class Philosopher extends Thread implements IPhilosopher {
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void setLeft(IPhilosopher left) {
|
||||
// TODO Auto-generated method stub
|
||||
|
@ -82,7 +91,7 @@ public class Philosopher extends Thread implements IPhilosopher {
|
|||
public void setTable(Lock table) {
|
||||
// TODO Auto-generated method stub
|
||||
this.table = table;
|
||||
condition = this.table.newCondition();
|
||||
condition = this.table.newCondition();
|
||||
|
||||
}
|
||||
|
||||
|
@ -92,4 +101,7 @@ public class Philosopher extends Thread implements IPhilosopher {
|
|||
this.stopped = true;
|
||||
interrupt();
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue