Method Link

test-app/runtime/src/main/cpp/ObjectManager.cpp:265–300

* Link the JavaScript object and it's java counterpart with an ID */

 * Link the JavaScript object and it's java counterpart with an ID
 */
void ObjectManager::Link(const Local<Object>& object, uint32_t javaObjectID,
                         jclass clazz) {
  if (!IsJsRuntimeObject(object)) {
    string errMsg("Trying to link invalid 'this' to a Java object");
    throw NativeScriptException(errMsg);
  }

  auto isolate = m_isolate;

  DEBUG_WRITE("Linking js object: %d and java instance id: %d",
              object->GetIdentityHash(), javaObjectID);

  auto jsInstanceInfo =
      new JSInstanceInfo(false /*isJavaObjWeak*/, javaObjectID, clazz);

  auto objectHandle = new Persistent<Object>(isolate, object);
  auto state = new ObjectWeakCallbackState(this, jsInstanceInfo, objectHandle);

  // subscribe for JS GC event
  if (m_markingMode == JavaScriptMarkingMode::None) {
    objectHandle->SetWeak(state, JSObjectFinalizerStatic,
                          WeakCallbackType::kFinalizer);
  } else {
    objectHandle->SetWeak(state, JSObjectWeakCallbackStatic,
                          WeakCallbackType::kFinalizer);
  }

  auto jsInfoIdx = static_cast<int>(MetadataNodeKeys::JsInfo);

  auto jsInfo = External::New(isolate, jsInstanceInfo);

  // link
  object->SetInternalField(jsInfoIdx, jsInfo);

  m_idToObject.emplace(javaObjectID, objectHandle);
}

bool ObjectManager::CloneLink(const Local<Object>& src,
                              const Local<Object>& dest) {