ulib/3party/rxcpp/Rx/v2/examples/doxygen/merge.cpp
2024-01-10 09:33:36 +08:00

85 lines
3.4 KiB
C++

#include "rxcpp/rx.hpp"
#include "rxcpp/rx-test.hpp"
#include "catch.hpp"
SCENARIO("merge sample"){
printf("//! [merge sample]\n");
auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(15)).map([](int) {return 1;});
auto o2 = rxcpp::observable<>::timer(std::chrono::milliseconds(10)).map([](int) {return 2;});
auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(5)).map([](int) {return 3;});
auto values = o1.merge(o2, o3);
values.
subscribe(
[](int v){printf("OnNext: %d\n", v);},
[](){printf("OnCompleted\n");});
printf("//! [merge sample]\n");
}
SCENARIO("implicit merge sample"){
printf("//! [implicit merge sample]\n");
auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(15)).map([](int) {return 1;});
auto o2 = rxcpp::observable<>::timer(std::chrono::milliseconds(10)).map([](int) {return 2;});
auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(5)).map([](int) {return 3;});
auto base = rxcpp::observable<>::from(o1.as_dynamic(), o2, o3);
auto values = base.merge();
values.
subscribe(
[](int v){printf("OnNext: %d\n", v);},
[](){printf("OnCompleted\n");});
printf("//! [implicit merge sample]\n");
}
#include "main.hpp"
SCENARIO("threaded merge sample"){
printf("//! [threaded merge sample]\n");
printf("[thread %s] Start task\n", get_pid().c_str());
auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(10)).map([](int) {
printf("[thread %s] Timer1 fired\n", get_pid().c_str());
return 1;
});
auto o2 = rxcpp::observable<>::timer(std::chrono::milliseconds(20)).map([](int) {
printf("[thread %s] Timer2 fired\n", get_pid().c_str());
return 2;
});
auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(30)).map([](int) {
printf("[thread %s] Timer3 fired\n", get_pid().c_str());
return 3;
});
auto values = o1.merge(rxcpp::observe_on_new_thread(), o2, o3);
values.
as_blocking().
subscribe(
[](int v){printf("[thread %s] OnNext: %d\n", get_pid().c_str(), v);},
[](){printf("[thread %s] OnCompleted\n", get_pid().c_str());});
printf("[thread %s] Finish task\n", get_pid().c_str());
printf("//! [threaded merge sample]\n");
}
SCENARIO("threaded implicit merge sample"){
printf("//! [threaded implicit merge sample]\n");
printf("[thread %s] Start task\n", get_pid().c_str());
auto o1 = rxcpp::observable<>::timer(std::chrono::milliseconds(10)).map([](int) {
printf("[thread %s] Timer1 fired\n", get_pid().c_str());
return 1;
});
auto o2 = rxcpp::observable<>::timer(std::chrono::milliseconds(20)).map([](int) {
printf("[thread %s] Timer2 fired\n", get_pid().c_str());
return 2;
});
auto o3 = rxcpp::observable<>::timer(std::chrono::milliseconds(30)).map([](int) {
printf("[thread %s] Timer3 fired\n", get_pid().c_str());
return 3;
});
auto base = rxcpp::observable<>::from(o1.as_dynamic(), o2, o3);
auto values = base.merge(rxcpp::observe_on_new_thread());
values.
as_blocking().
subscribe(
[](int v){printf("[thread %s] OnNext: %d\n", get_pid().c_str(), v);},
[](){printf("[thread %s] OnCompleted\n", get_pid().c_str());});
printf("[thread %s] Finish task\n", get_pid().c_str());
printf("//! [threaded implicit merge sample]\n");
}