chore: create model for relationship digital twins events

Author: andrea-acampora

src/main/kotlin/infrastructure/digitaltwins/events/RelationshipEvents.kt

@@ -0,0 +1,75 @@
+/*
+ * 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 infrastructure.digitaltwins.events
+
+/**
+ * The model of Azure Digital Twins Relationship Events.
+ */
+object RelationshipEvents {
+
+    /**
+     * The section data of DT relationship events.
+     */
+    data class RelationshipEventData(
+        /**
+         * The id of the relationship.
+         */
+        val relationshipId: String,
+        /**
+         * The DT etag.
+         */
+        val etag: String,
+        /**
+         * The source ID of the DT.
+         */
+        val sourceId: String,
+        /**
+         * The name of the relationship.
+         */
+        val relationshipName: String,
+        /**
+         * The target id of the relationship.
+         */
+        val targetId: String,
+
+        /**
+         * The model of the relationship source.
+         */
+        val sourceModel: String
+    )
+
+    /**
+     * The event of creation or delete of a relationship between DT.
+     */
+    data class RelationshipEvent(
+
+        /** The section data. **/
+        val data: RelationshipEventData,
+        /**
+         * The type of the event.
+         */
+        val contenttype: String,
+        /**
+         * The trace parent of the event.
+         */
+        val traceparent: String,
+        /**
+         * The id of the event.
+         */
+        val id: String,
+        /**
+         * The type of the event.
+         */
+        val eventType: String,
+        /**
+         * The date and time of the event.
+         */
+        val eventDateTime: String
+    )
+}