+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ }
+
+ /**
+ * Checks if given field is set
+ *
+ * @param $fieldName Field name to check
+ * @return $isSet Whether the given field name is set
+ * @throws NullPointerException If the result instance is null
+ */
+ public function isFieldSet ($fieldName) {
+ // Our super interface "FrameworkInterface" requires this
+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);