net.mograsim.logic.core/src/net/mograsim/logic/core/components/BasicCoreComponent.java

   1 package net.mograsim.logic.core.components;
   2
   3 import net.mograsim.logic.core.LogicObservable;
   4 import net.mograsim.logic.core.LogicObserver;
   5 import net.mograsim.logic.core.timeline.Timeline;
   6 import net.mograsim.logic.core.timeline.TimelineEventHandler;
   7
   8 /**
   9  * A basic component that recomputes all outputs (with a delay), when it is updated.
  10  *
  11  * @author Fabian Stemmler
  12  */
  13 public abstract class BasicCoreComponent extends CoreComponent implements LogicObserver
  14 {
  15         private int processTime;
  16
  17         /**
  18          *
  19          * @param processTime Amount of time this component takes to update its outputs. Must be more than 0, otherwise 1 is assumed.
  20          *
  21          * @author Fabian Stemmler
  22          */
  23         public BasicCoreComponent(Timeline timeline, int processTime)
  24         {
  25                 super(timeline);
  26                 this.processTime = processTime > 0 ? processTime : 1;
  27         }
  28
  29         @Override
  30         public final void update(LogicObservable initiator)
  31         {
  32                 update();
  33         }
  34
  35         public void update()
  36         {
  37                 TimelineEventHandler delayedUpdates = compute();
  38                 if (delayedUpdates != null)
  39                         timeline.addEvent(delayedUpdates, processTime);
  40         }
  41
  42         protected abstract TimelineEventHandler compute();
  43 }