chore: create dimmable actuator entity

Author: AndreaGiulianelli

src/env/entity/actuator/DimmableActuator.java

@@ -0,0 +1,33 @@
+/*
+ * 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.DimmableInvoker;
+
+/**
+ * An {@link Actuator} that can be dimmed.
+ */
+public class DimmableActuator extends Actuator {
+    /**
+     * Default constructor.
+     * @param actuatorID the actuator id.
+     */
+    public DimmableActuator(final ActuatorID actuatorID) {
+        super(actuatorID);
+    }
+
+    /**
+     * Set the intensity of the actuator.
+     * @param intensity the intensity.
+     * @param invoker the invoker to call
+     */
+    public void setIntensity(final int intensity, final DimmableInvoker invoker) {
+        invoker.setIntensity(intensity);
+    }
+}