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Cleanup ConsumerDispatcher code

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This commit is contained in:
Matias Fontanini
2017-06-11 14:35:33 -07:00
parent 2e6bfd64d3
commit 4cd03aea3c
1 changed files with 9 additions and 9 deletions
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18
include/cppkafka/utils/consumer_dispatcher.h
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@@ -175,21 +175,21 @@ private:
template <typename Head, typename... Functors>
static typename std::enable_if<!std::is_same<Head, Functor>::value, const Functor&>::type
find(const Head&, Functors&&... functors) {
return find(std::forward<Functors>(functors)...);
find(const Head&, const Functors&... functors) {
return find(functors...);
}
};
template <typename Functor, typename... Args>
const Functor& find_functor(Args&&... args) {
return find_functor_helper<Functor>::find(std::forward<Args>(args)...);
const Functor& find_functor(const Args&... args) {
return find_functor_helper<Functor>::find(args...);
}
// Finds the first functor that accepts the parameters in a tuple and returns it. If no
// such functor is found, a static asertion will occur
template <typename Tuple, typename... Functors>
const typename find_type<Tuple, Functors...>::type&
find_callable_functor(const Functors&... functors) {
find_matching_functor(const Functors&... functors) {
using type = typename find_type<Tuple, Functors...>::type;
static_assert(!std::is_same<type_not_found, type>::value, "Valid functor not found");
return find_functor<type>(functors...);
@@ -236,12 +236,12 @@ void ConsumerDispatcher::run(const Args&... args) {
check_callbacks_match(args...);
// This one is required
const auto& on_message = find_callable_functor<OnMessageArgs>(args...);
const auto& on_message = find_matching_functor<OnMessageArgs>(args...);
// For the rest, append our own implementation at the end as a fallback
const auto& on_error = find_callable_functor<OnErrorArgs>(args..., self::handle_error);
const auto& on_eof = find_callable_functor<OnEofArgs>(args..., self::handle_eof);
const auto& on_timeout = find_callable_functor<OnTimeoutArgs>(args..., self::handle_timeout);
const auto& on_error = find_matching_functor<OnErrorArgs>(args..., &self::handle_error);
const auto& on_eof = find_matching_functor<OnEofArgs>(args..., &self::handle_eof);
const auto& on_timeout = find_matching_functor<OnTimeoutArgs>(args..., &self::handle_timeout);
running_ = true;
while (running_) {
Message msg = consumer_.poll();