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.acme.jpa.idempotent.repository;
  
  import java.util.Set;
  import java.util.concurrent.ConcurrentHashMap;
  
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.inject.Named;
  import org.apache.camel.Handler;
  import org.jboss.logging.Logger;
  
  @ApplicationScoped
  @Named("costlyApiService")
  public class CostlyApiService {
  
      private static final Logger LOG = Logger.getLogger(CostlyApiService.class);
  
      private static Set<String> ALREADY_USED_CONTENT = ConcurrentHashMap.newKeySet();
  
      /**
       * The content parameter is populated with the incoming HTTP body sent to this API.
       */
      @Handler
      void invoke(String content) {
          if (ALREADY_USED_CONTENT.contains(content)) {
              LOG.info("Costly API has been called two times with the same content => TOO MUCH EXPENSIVE !");
          } else {
              ALREADY_USED_CONTENT.add(content);
              LOG.info("Costly API has been called with new content => GOOD");
          }
      }
  
      String getContentSet() {
          return String.join(",", ALREADY_USED_CONTENT);
      }
  }
  