if ( pfInvocations.containsKey(t) )
{
op = flush(pattern, op) ;
pattern = null ;
PropertyFunctionInstance pfi = pfInvocations.get(t) ;
OpPropFunc opPF = new OpPropFunc(t.getPredicate(), pfi.getSubjectArgList(), pfi.getObjectArgList(), op) ;
op = opPF ;
continue ;
}
// Regular triples - make sure there is a basic pattern in progress.