Method toPredicate

src/ExtOperator.actor.cpp:173–187

struct ExtValueOperatorAll {
	static const char* name;
	static Reference<IPredicate> toPredicate(std::string const& unencoded_path, bson::BSONElement const& element) {
		std::vector<Reference<IPredicate>> terms;
		if (element.Array().size() == 0) {
			return ref(new NonePredicate());
		} else {
			for (auto e : element.Array()) {
				if (e.isABSONObj() && e.Obj().hasField("$elemMatch")) {
					terms.push_back(valueQueryToPredicate(e.Obj(), unencoded_path));
				} else {
					terms.push_back(eq_predicate(e, unencoded_path));
				}
			}
			return ref(new AndPredicate(terms));
		}
	}
};
REGISTER_VALUE_OPERATOR(ExtValueOperatorAll, "$all");