+ /**
+ * Getter for stacker name
+ *
+ * @return $stackerName Name of stacker of this class
+ */
+ protected final function getStackerName () {
+ return $this->stackerName;
+ }
+
+ /**
+ * Setter for sub node array
+ *
+ * @param $subNodes Array with valid sub node names
+ * @return void
+ */
+ public final function setSubNodes (array $subNodes) {
+ $this->subNodes = $subNodes;
+ }
+