set the tail of this link . this may be a port , or a vertex in a relation . concode_field_sep ComponentRelation _relation concode_elem_sep Object _head concode_elem_sep Object _tail concode_field_sep Object getTail concode_elem_sep Object getHead concode_elem_sep void setHead concode_elem_sep void setRelation concode_elem_sep String toString concode_elem_sep ComponentRelation getRelation
void function ( Object arg0 ) { _tail = arg0 ; }