nl: returns the full path of the immediate parent of the specified node . null if passed the root node or an invalid node concode_field_sep char ZNODE_PATH_SEPARATOR concode_elem_sep Logger LOG concode_field_sep void createSetData concode_elem_sep int checkExists concode_elem_sep boolean setData concode_elem_sep List<String> listChildrenNoWatch concode_elem_sep String joinZNode concode_elem_sep ArrayList<ACL> createACL concode_elem_sep void deleteNodeRecursively concode_elem_sep byte[] getData concode_elem_sep void createWithParents concode_elem_sep void createWithParents
code: String function ( String arg0 ) { int loc0 = arg0 . lastIndexOf ( ZNODE_PATH_SEPARATOR ) ; return loc0 <= 0 ? null : arg0 . substring ( 0 , loc0 ) ; }