package net.mograsim.logic.core.components;
+import java.util.ArrayList;
+import java.util.Collection;
import java.util.List;
+import net.mograsim.logic.core.LogicObservable;
+import net.mograsim.logic.core.LogicObserver;
import net.mograsim.logic.core.timeline.Timeline;
import net.mograsim.logic.core.types.Bit;
import net.mograsim.logic.core.wires.Wire.ReadEnd;
* @author Christian Femers
*
*/
-public class ManualSwitch extends Component
+public class ManualSwitch extends Component implements LogicObservable
{
+ private Collection<LogicObserver> observers;
private ReadWriteEnd output;
private boolean isOn;
public ManualSwitch(Timeline timeline, ReadWriteEnd output)
{
super(timeline);
+ observers = new ArrayList<>();
if (output.length() != 1)
throw new IllegalArgumentException("Switch output can be only a single wire");
this.output = output;
return;
this.isOn = isOn;
output.feedSignals(getValue());
+ notifyObservers();
+ }
+
+ public void setToValueOf(Bit bit)
+ {
+ if (bit == Bit.ONE)
+ switchOn();
+ else if (bit == Bit.ZERO)
+ switchOff();
+ else
+ throw new IllegalArgumentException("Cannot set ManualSwitch to the value of Bit " + bit);
}
public boolean isOn()
return List.of(output);
}
+ @Override
+ public void registerObserver(LogicObserver ob)
+ {
+ observers.add(ob);
+ }
+
+ @Override
+ public void deregisterObserver(LogicObserver ob)
+ {
+ observers.remove(ob);
+ }
+
+ @Override
+ public void notifyObservers()
+ {
+ observers.forEach(ob -> ob.update(this));
+ }
+
}