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.types.BitVector;
import net.mograsim.logic.core.wires.Wire.ReadEnd;
import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
* @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);
- if (output.length() != 1)
- throw new IllegalArgumentException("Switch output can be only a single wire");
+ observers = new ArrayList<>();
this.output = output;
}
- public void switchOn()
+ public void switchFullOn()
{
- setState(true);
+ setState(BitVector.of(Bit.ONE, output.width()));
}
- public void switchOff()
+ public void switchFullOff()
{
- setState(false);
+ setState(BitVector.of(Bit.ZERO, output.width()));
}
public void toggle()
{
- setState(!isOn);
+ if (isFullOn())
+ switchFullOff();
+ else
+ switchFullOn();
}
- public void setState(boolean isOn)
+ public void setState(Bit bit)
{
- if (this.isOn == isOn)
+ setState(BitVector.of(bit));
+ }
+
+ public void setState(BitVector bits)
+ {
+ if (bits.length() != output.width())
+ throw new IllegalArgumentException("Incorrect bit vector length");
+ if (bits.equals(output.getInputValues()))
return;
- this.isOn = isOn;
- output.feedSignals(getValue());
+ output.feedSignals(bits);
+ notifyObservers();
}
- public boolean isOn()
+ public boolean isFullOn()
{
- return isOn;
+ return BitVector.of(Bit.ONE, output.width()).equals(output.getInputValues());
}
- public Bit getValue()
+ public BitVector getValues()
{
- return isOn ? Bit.ONE : Bit.ZERO;
+ return output.getInputValues();
}
@Override
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));
+ }
+
}