Я изучаю реактивные потоки и работаю над издателями (Flux) и работаю над преобразованием Flux. Для этого у меня есть методы создания и преобразования.
Вот мой код:
private static void composeStream() {
System.out.println("*********Calling composeStream************");
Function<Flux<String>, Flux<String>> alterMap = f -> {
return f.filter(color -> !color.equals("ram"))
.map(String::toUpperCase);
};
Flux<String> compose = Flux.fromIterable(Arrays.asList("ram", "sam", "kam", "dam"))
.doOnNext(System.out::println)
.compose(alterMap);
compose.subscribe(d -> System.out.println("Subscriber to Composed AlterMap :"+d));
System.out.println("-------------------------------------");
}
private static void transformStream() {
System.out.println("*********Calling transformStream************");
Function<Flux<String>, Flux<String>> alterMap = f -> f.filter(color -> !color.equals("ram"))
.map(String::toUpperCase);
Flux.fromIterable(Arrays.asList("ram", "sam", "kam", "dam"))
.doOnNext(System.out::println)
.transform(alterMap)
.subscribe(d -> System.out.println("Subscriber to Transformed AlterMap: "+d));
System.out.println("-------------------------------------");
}
и вот вывод, одинаковый для обоих случаев:
*********Calling transformStream************
ram
sam
Subscriber to Transformed AlterMap: SAM
kam
Subscriber to Transformed AlterMap: KAM
dam
Subscriber to Transformed AlterMap: DAM
-------------------------------------
*********Calling composeStream************
ram
sam
Subscriber to Composed AlterMap :SAM
kam
Subscriber to Composed AlterMap :KAM
dam
Subscriber to Composed AlterMap :DAM
-------------------------------------
Какая разница между двумя? Пожалуйста, предложите