content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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
   *
   *      http://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 org.apache.camel.example.reactive.streams;
  
  import java.time.Duration;
  
  import jakarta.annotation.PostConstruct;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.reactive.streams.api.CamelReactiveStreamsService;
  import org.reactivestreams.Subscriber;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.stereotype.Component;
  import reactor.core.publisher.Flux;
  
  /**
   * This example shows how a reactive stream framework can publish events that are consumed
   * by Camel routes.
   *
   * The exchange pattern is in-only from Reactor to Camel.
   *
   * Note: the Camel and reactor components are placed in the same configuration class for the sake of clarity,
   * but they can be moved in their own files.
   */
  @Configuration
  @ConditionalOnProperty("examples.basic.reactor-to-camel")
  public class BasicReactorToCamelExample {
  
      /**
       * The reactor streams.
       */
      @Component
      public static class BasicReactorToCamelExampleStreams {
  
          @Autowired
          private CamelReactiveStreamsService camel;
  
  
          @PostConstruct
          public void setupStreams() {
  
              // Get a subscriber from camel
              Subscriber<String> elements = camel.streamSubscriber("elements", String.class);
  
              // Emit a string every 7 seconds and push it to the Camel "elements" stream
              Flux.interval(Duration.ofSeconds(7))
                      .map(item -> "element " + item)
                      .subscribe(elements);
  
          }
      }
  
  
      /**
       * The Camel Configuration.
       */
      @Component
      public static class BasicReactorToCamelExampleRoutes extends RouteBuilder {
  
          @Override
          public void configure() throws Exception {
  
              // Transform the body of received items and log
              from("reactive-streams:elements")
                      .setBody().simple("BasicReactorToCamel - Camel received ${body}")
                      .to("log:INFO");
  
          }
  
      }
  
  }
  