chore: create actuator repository

Author: AndreaGiulianelli

src/env/usecase/repository/ActuatorRepository.java

@@ -0,0 +1,28 @@
+/*
+ * 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 usecase.repository;
+
+import entity.actuator.ActuatorID;
+import entity.actuator.ActuatorType;
+import entity.room.RoomID;
+
+import java.util.Optional;
+
+/**
+ * Interface that models the repository to manage Actuators.
+ */
+public interface ActuatorRepository {
+    /**
+     * Method to find an actuator of a specific type inside a room specified with its id.
+     * @param actuatorType the type of actuator to find
+     * @param roomID the room id where the actuator should be placed.
+     * @return an optional that contains the actuator id if found, empty otherwise.
+     */
+    Optional<ActuatorID> findActuatorInRoom(ActuatorType actuatorType, RoomID roomID);
+}