@Override
    public void add(Statement st, Resource... contexts) throws RepositoryException {
        add(st.getSubject(), st.getPredicate(), st.getObject(), mergeResource(st.getContext(), contexts));
    }
@ Override public void add ( Statement st , Resource ... contexts ) throws RepositoryException { add ( st . getSubject ( ) , st . getPredicate ( ) , st . getObject ( ) , mergeResource ( st . getContext ( ) , contexts ) ) ; }
add single triple statement with supplied context

@param st
@param contexts
@throws RepositoryException