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.language.xquery.springboot;
  
  import java.security.SecureRandom;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.builder.Builder;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
  import org.springframework.test.annotation.DirtiesContext;
  
  import org.junit.jupiter.api.Test;
  
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  
  @DirtiesContext
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, XQueryConcurrencyTest.class,
          XQueryConcurrencyTest.TestConfiguration.class })
  public class XQueryConcurrencyTest {
  
      private String uri = "seda:in?concurrentConsumers=5";
  
      @Autowired
      ProducerTemplate template;
  
      @EndpointInject("mock:result")
      protected MockEndpoint mock;
  
      @Test
      public void testConcurrency() throws Exception {
          int total = 1000;
  
          mock.expectedMessageCount(total);
  
          // setup a task executor to be able send the messages in parallel
          ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
          executor.setCorePoolSize(5);
          executor.afterPropertiesSet();
          for (int i = 0; i < 5; i++) {
              final int threadCount = i;
              executor.execute(new Runnable() {
                  public void run() {
                      int start = threadCount * 200;
                      for (int i = 0; i < 200; i++) {
                          try {
                              // do some random sleep to simulate spread in user activity
                              Thread.sleep(new SecureRandom().nextInt(10));
                          } catch (InterruptedException e) {
                              // ignore
                          }
                          template.sendBody(uri, "<person><id>" + (start + i + 1) + "</id><name>James</name></person>");
                      }
                  }
              });
          }
  
          mock.assertNoDuplicates(Builder.body());
  
          mock.assertIsSatisfied();
          executor.shutdown();
      }
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public class TestConfiguration {
  
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() throws Exception {
                      // no retry as we want every failure to submerge
                      errorHandler(noErrorHandler());
  
                      from(uri).transform().xquery("/person/id", String.class).to("mock:result");
                  }
              };
          }
      }
  }
  