Files
spring-cloud-function/spring-cloud-function-samples/function-sample/src/main/java/com/example/SampleApplication.java

64 lines
1.7 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.util.function.Function;
import java.util.function.Supplier;
import reactor.core.publisher.Flux;
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();
}
@Bean
public Function<Message<String>, String> uppercaseMessage() {
return value -> value.getPayload().toUpperCase();
}
@Bean
public Function<Flux<String>, Flux<String>> lowercase() {
return flux -> flux.map(value -> value.toLowerCase());
}
@Bean
public Supplier<String> hello() {
return () -> "hello";
}
@Bean
public Supplier<Flux<String>> words() {
return () -> Flux.fromArray(new String[] {"foo", "bar"});
}
}
// @checkstyle:on