chore: add medical technology entity

Author: AndreaGiulianelli

src/env/entity/medicaltechnology/MedicalTechnology.java

@@ -0,0 +1,85 @@
+/*
+ * 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.medicaltechnology;
+
+import entity.room.RoomID;
+
+import java.util.Objects;
+import java.util.Optional;
+
+/**
+ * Describe a medical technology used inside the operating block.
+ */
+public class MedicalTechnology {
+    private final MedicalTechnologyID id;
+    private final MedicalTechnologyType type;
+    private final Optional<RoomID> roomID;
+
+    /**
+     * Default constructor.
+     * @param id the id.
+     * @param type the type.
+     * @param roomID the room id.
+     */
+    public MedicalTechnology(final MedicalTechnologyID id, final MedicalTechnologyType type, final Optional<RoomID> roomID) {
+        this.id = id;
+        this.type = type;
+        this.roomID = roomID;
+    }
+
+    /**
+     * Constructor of a medical technology that is not placed inside any room.
+     * @param id the id.
+     * @param type the type.
+     */
+    public MedicalTechnology(final MedicalTechnologyID id, final MedicalTechnologyType type) {
+        this(id, type, Optional.empty());
+    }
+
+    /**
+     * Get the id of the medical technology.
+     * @return the id
+     */
+    public MedicalTechnologyID getId() {
+        return this.id;
+    }
+
+    /**
+     * Get the type of the medical technology.
+     * @return the type
+     */
+    public MedicalTechnologyType getType() {
+        return this.type;
+    }
+
+    /**
+     * Get the room where the medical technology is currently placed.
+     * @return the room id
+     */
+    public Optional<RoomID> getRoomID() {
+        return this.roomID;
+    }
+
+    @Override
+    public final boolean equals(final Object other) {
+        if (this == other) {
+            return true;
+        }
+        if (other == null || this.getClass() != other.getClass()) {
+            return false;
+        }
+        final MedicalTechnology that = (MedicalTechnology) other;
+        return this.getId().equals(that.getId());
+    }
+
+    @Override
+    public final int hashCode() {
+        return Objects.hash(this.getId());
+    }
+}