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.component.ehcache.processor.aggregate;
  
  import java.util.stream.IntStream;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Exchange;
  import org.apache.camel.Produce;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.RoutesBuilder;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.ehcache.EhcacheTestSupport;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.junit.jupiter.api.Test;
  
  public class EhcacheAggregationRepositoryRoutesTest extends EhcacheTestSupport {
      private static final String ENDPOINT_MOCK = "mock:result";
      private static final String ENDPOINT_DIRECT = "direct:one";
      private static final int[] VALUES = generateRandomArrayOfInt(10, 0, 30);
      private static final int SUM = IntStream.of(VALUES).reduce(0, (a, b) -> a + b);
      private static final String CORRELATOR = "CORRELATOR";
  
      @EndpointInject(ENDPOINT_MOCK)
      private MockEndpoint mock;
  
      @Produce(ENDPOINT_DIRECT)
      private ProducerTemplate producer;
  
      @Test
      void checkAggregationFromOneRoute() throws Exception {
          mock.expectedMessageCount(VALUES.length);
          mock.expectedBodiesReceived(SUM);
  
          IntStream.of(VALUES).forEach(
                  i -> producer.sendBodyAndHeader(i, CORRELATOR, CORRELATOR));
  
          mock.assertIsSatisfied();
      }
  
      private Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
          if (oldExchange == null) {
              return newExchange;
          } else {
              Integer n = newExchange.getIn().getBody(Integer.class);
              Integer o = oldExchange.getIn().getBody(Integer.class);
              Integer v = (o == null ? 0 : o) + (n == null ? 0 : n);
  
              oldExchange.getIn().setBody(v, Integer.class);
  
              return oldExchange;
          }
      }
  
      @Override
      protected RoutesBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  from(ENDPOINT_DIRECT)
                          .routeId("AggregatingRouteOne")
                          .aggregate(header(CORRELATOR))
                          .aggregationRepository(createAggregateRepository())
                          .aggregationStrategy(EhcacheAggregationRepositoryRoutesTest.this::aggregate)
                          .completionSize(VALUES.length)
                          .to("log:org.apache.camel.component.ehcache.processor.aggregate?level=INFO&showAll=true&multiline=true")
                          .to(ENDPOINT_MOCK);
              }
          };
      }
  }
  