chore: add medical technology id value object

Author: AndreaGiulianelli

src/env/entity/medicaltechnology/MedicalTechnologyID.java

@@ -0,0 +1,51 @@
+/*
+ * 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 java.util.Objects;
+
+/**
+ * Identification of a {@link MedicalTechnology}.
+ */
+public class MedicalTechnologyID {
+    private final String id;
+
+    /**
+     * Default constructor.
+     * @param id the id
+     */
+    public MedicalTechnologyID(final String id) {
+        this.id = id;
+    }
+
+    /**
+     * Get the id.
+     * @return the id
+     */
+    public String getId() {
+        return this.id;
+    }
+
+    @Override
+    public final boolean equals(final Object other) {
+        if (this == other) {
+            return true;
+        }
+        if (other == null || this.getClass() != other.getClass()) {
+            return false;
+        }
+        final MedicalTechnologyID that = (MedicalTechnologyID) other;
+        return this.getId().equals(that.getId());
+    }
+
+    @Override
+    public final int hashCode() {
+        return Objects.hash(this.getId());
+    }
+}