McrouterRouteHandlePtr makeAllInitialRoute(
std::vector<McrouterRouteHandlePtr> rh) {
if (rh.empty()) {
return makeNullRoute();
}
if (rh.size() == 1) {
return std::move(rh[0]);
}
return makeMcrouterRouteHandle<AllInitialRoute>(std::move(rh));
}
McrouterRouteHandlePtr makeLatestRoute(
std::vector<McrouterRouteHandlePtr> targets,
size_t failoverCount,
FailoverErrorsSettings failoverErrors) {
if (targets.empty() || failoverCount == 0) {
return makeNullRoute();
}
if (targets.size() == 1) {
return std::move(targets[0]);
}
return makeMcrouterRouteHandle<LatestRoute>(
std::move(targets),
failoverCount,
std::move(failoverErrors));
}
McrouterRouteHandlePtr
makeFailoverRoute(std::vector<McrouterRouteHandlePtr> rh,
FailoverErrorsSettings failoverErrors,
std::unique_ptr<FailoverRateLimiter> rateLimiter,
bool failoverTagging) {
if (rh.empty()) {
return makeNullRoute();
}
if (rh.size() == 1) {
return std::move(rh[0]);
}
return makeMcrouterRouteHandle<FailoverRoute>(std::move(rh),
std::move(failoverErrors),
std::move(rateLimiter),
failoverTagging);
}
McrouterRouteHandlePtr makeFailoverWithExptimeRoute(
McrouterRouteHandlePtr normalTarget,
std::vector<McrouterRouteHandlePtr> failoverTargets,
int32_t failoverExptime,
FailoverErrorsSettings failoverErrors,
bool failoverTagging) {
if (!normalTarget) {
return makeNullRoute();
}
if (failoverTargets.empty()) {
return std::move(normalTarget);
}
return std::make_shared<McrouterRouteHandle<FailoverWithExptimeRoute>>(
std::move(normalTarget),
std::move(failoverTargets),
failoverExptime,
std::move(failoverErrors),
failoverTagging);
}
McrouterRouteHandlePtr makeNullRoute(
RouteHandleFactory<McrouterRouteHandleIf>& factory,
const folly::dynamic& json) {
return makeNullRoute();
}
