@Override
public void replaceChildNode(QueryModelNode current, QueryModelNode replacement) {
if (serviceRef == current) {
setServiceRef((Var) replacement);
} else {
super.replaceChildNode(current, replacement);
}
}
public long getCardinality(UnaryTupleOperator op, BindingSet bindings) {
return getCardinality(op.getArg(), bindings);
}
@Override
public <X extends Exception> void visitChildren(QueryModelVisitor<X> visitor) throws X {
serviceRef.visit(visitor);
super.visitChildren(visitor);
}
