69 lines
1.9 KiB
Java
69 lines
1.9 KiB
Java
/*
|
|
* Copyright 2012-2019 the original author or authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* https://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.example;
|
|
|
|
import java.time.Duration;
|
|
import java.util.Locale;
|
|
import java.util.function.Function;
|
|
import java.util.function.Supplier;
|
|
|
|
import reactor.core.publisher.Flux;
|
|
import reactor.core.publisher.Mono;
|
|
|
|
import org.springframework.boot.SpringApplication;
|
|
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
|
import org.springframework.context.annotation.Bean;
|
|
import org.springframework.messaging.Message;
|
|
|
|
// @checkstyle:off
|
|
@SpringBootApplication
|
|
public class SampleApplication {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
SpringApplication.run(SampleApplication.class, "--management.endpoints.web.exposure.include=functions");
|
|
}
|
|
|
|
@Bean
|
|
public Function<String, String> uppercase() {
|
|
return value -> value.toUpperCase(Locale.ROOT);
|
|
}
|
|
|
|
@Bean
|
|
public Function<Message<String>, Integer> uppercaseMessage() {
|
|
return value -> value.getPayload().toUpperCase(Locale.ROOT).length();
|
|
}
|
|
|
|
@Bean
|
|
public Function<Flux<String>, Flux<String>> lowercase() {
|
|
return flux -> flux.map(value -> value.toLowerCase(Locale.ROOT));
|
|
}
|
|
|
|
@Bean
|
|
public Supplier<String> hello() {
|
|
return () -> "hello";
|
|
}
|
|
|
|
@Bean
|
|
public Supplier<Flux<String>> infinite() {
|
|
return () -> Flux
|
|
.interval(Duration.ofSeconds(1))
|
|
.log()
|
|
.map(counter -> String.format("Counter: %s", counter));
|
|
}
|
|
|
|
}
|