class Task extends Observable {
private long counter;
private long steps;
Task(long counter, long steps) {
this.counter = counter;
this.steps = steps;
}
public synchronized boolean isCompleted() { counter >= steps } // Deadlock here
}
class Job extends Observable implements Observer {
private List<Task> tasks = new ArrayList();
private boolean canceled = false;
private synchronized boolean isCompleted() {
if (canceled) { // Deadlock here
return true;
}
for(Task t : tasks) {
if(!t.isCompleted()) {
return false;
}
}
return true;
}
}
