Scheduler - Software Development Case Studies in Java - page 28

Activity t1 # (Activity) o1;
Activity t2 # (Activity) o2;
if (t1.getActivation() > t2.getActivation())
return 1;
if (t1.getActivation() < t2.getActivation())
return -1;
return t1.getName().compareTo(t2.getName());
}
}
private String name;
private ArrayList activities # new ArrayList();
private double gain # 0.0;
public Resource(String name) { this .name # name; }
public String getName() { return name; }
public void addActivity(Activity activity) {
activities.add(activity);
}
public void addTask(Task task) {
Iterator iterator # task.getActivities();
Activity activity;
while (iterator.hasNext())
activities.add( (Activity) iterator.next() );
}
public void setGain( double gain) { this .gain # gain; }
public void reset() {
Iterator iterator # activities.iterator();
Activity activity;
while (iterator.hasNext()) {
activity # (Activity) iterator.next();
activity.reset();
}
}
public void schedule() {
// updates the activationTime of each activity
for ( int i # 0; i < activities.size(); i !! )
((Activity) activities.get(i)).update(gain);
// sorts the list of activities for activationTime
Collections.sort(activities, new CompareActivity());
// evaluates the new completionTime of each activity
Activity previous # (Activity) activities.get(0);
for ( int i # 1; i < activities.size(); i !! ) {
Activity activity # (Activity) activities.get(i);
activity.serialize(previous);
previous # activity;
}
}