Refactoring and bugfixing

js/entity/PinReferenceEntity.js

@@ -0,0 +1,14 @@
+import Entity from "./Entity"
+import GuidEntity from "./GuidEntity"
+
+export default class PinReferenceEntity extends Entity {
+
+    static attributes = {
+        objectName: String,
+        pinGuid: GuidEntity
+    }
+
+    getAttributes() {
+        return PinReferenceEntity.attributes
+    }
+}