lib/components/db/fields/Relation.php
public function getValue($createOnEmpty = true)
    {
        if (is_null($this->_value)) {
            $models = $this->baseModel->collectModels();
            $relationTabularId = RelationModel::generateTabularId($this->field);
            $this->_value = false;
            $field = $this->field;
            $fieldParts = explode(':', $field);
            $primaryObject = $this->relationship->getRelatedObject($this->baseModel, $this->modelRole, $this->model);

            if (isset($models[$relationTabularId])) {
                $this->_value = $models[$relationTabularId];
            } elseif ($primaryObject) {
                $this->_value = $primaryObject;
            } elseif ($createOnEmpty) {
                $modelClass = $this->relationship->companionRoleType($this->modelRole)->primaryModel;
                $this->_value = new $modelClass();
                $this->_value->tabularId = $this->field;
                $this->_value->_moduleHandler = $this->field;
            }
            $this->_value->setParentModel($this->baseModel);
          //  exit;
        }

        return $this->_value;
    }
public function getValue($createOnEmpty = true)
    {
        if (is_null($this->_value)) {
            $models = $this->baseModel->collectModels();
            $relationTabularId = RelationModel::generateTabularId($this->field);
            $this->_value = false;
            $field = $this->field;
            $fieldParts = explode(':', $field);
            $primaryObject = $this->relationship->getRelatedObject($this->baseModel, $this->modelRole, $this->model);

            if (isset($models[$relationTabularId])) {
                $this->_value = $models[$relationTabularId];
            } elseif ($primaryObject) {
                $this->_value = $primaryObject;
            } elseif ($createOnEmpty) {
                $modelClass = $this->relationship->companionRoleType($this->modelRole)->primaryModel;
                $this->_value = new $modelClass();
                $this->_value->tabularId = $this->field;
                $this->_value->_moduleHandler = $this->field;
            }
            $this->_value->setParentModel($this->baseModel);
          //  exit;
        }

        return $this->_value;
    }
Get value.

@param boolean $createOnEmpty [[@doctodo param_description:createOnEmpty]] [optional]

@return [[@doctodo return_type:getValue]] [[@doctodo return_description:getValue]]