chore: create switchable actuator entity

Author: AndreaGiulianelli

src/env/entity/actuator/SwitchableActuator.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package entity.actuator;
+
+import entity.actuator.invoker.SwitchableInvoker;
+
+/**
+ * An {@link Actuator} that can be switched on and off.
+ */
+public class SwitchableActuator extends Actuator {
+    /**
+     * Default constructor.
+     * @param actuatorID the actuator id.
+     */
+    public SwitchableActuator(final ActuatorID actuatorID) {
+        super(actuatorID);
+    }
+
+    /**
+     * Turn on the actuator.
+     * @param invoker the invoker to call.
+     */
+    public void turnOn(final SwitchableInvoker invoker) {
+        invoker.turnOn();
+    }
+
+    /**
+     * Turn off the actuator.
+     * @param invoker the invoker to call.
+     */
+    public void turnOff(final SwitchableInvoker invoker) {
+        invoker.turnOff();
+    }
+}