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.file;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Exchange;
  import org.apache.camel.Processor;
  import org.apache.camel.builder.NotifyBuilder;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spi.IdempotentRepository;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.support.processor.idempotent.FileIdempotentRepository;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  import org.junit.jupiter.api.Test;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.test.annotation.DirtiesContext;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.concurrent.TimeUnit;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_CLASS)
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, FileIdempotentReadLockWithFileIdempRepoTest.class,
          FileIdempotentReadLockWithFileIdempRepoTest.TestConfiguration.class })
  // Based on FileIdempotentReadLockTest
  public class FileIdempotentReadLockWithFileIdempRepoTest extends BaseFile {
  
      @EndpointInject("mock:result")
      private MockEndpoint resultEndpoint;
  
      static File repoFile;
      static FileIdempotentRepository myRepo;
  
      static {
          File f;
          myRepo = null;
          try {
              f = File.createTempFile(FileIdempotentReadLockWithFileIdempRepoTest.class.getName(), "-repo");
  
              myRepo = new FileIdempotentRepository(f, new HashMap<>());
          } catch (IOException e) {
              // asserted before the test
          }
      }
  
      @Test
      public void testIdempotentReadLock() throws Exception {
          assertNotNull(myRepo);
          assertEquals(0, myRepo.getCacheSize());
  
          NotifyBuilder notify = new NotifyBuilder(context).whenDone(2).create();
  
          resultEndpoint.expectedMessageCount(2);
  
          template.sendBodyAndHeader(fileUri(), "Hello World", Exchange.FILE_NAME, "hello.txt");
          template.sendBodyAndHeader(fileUri(), "Bye World", Exchange.FILE_NAME, "bye.txt");
  
          assertTrue(notify.matches(5, TimeUnit.SECONDS));
  
          assertMockEndpointsSatisfied();
  
          // the files are kept on commit
          // if you want to remove them then the idempotent repo need some way to
          // evict idle keys
          assertEquals(2, myRepo.getCacheSize());
      }
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public class TestConfiguration {
          @Bean(value = "myRepo")
          public IdempotentRepository myRepo() {
              return myRepo;
          }
  
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() {
                      from(fileUri("?initialDelay=0&delay=10&readLock=idempotent&idempotentRepository=#myRepo"))
                              .process(new Processor() {
                                  @Override
                                  public void process(Exchange exchange) throws Exception {
                                      // we are in progress
                                      int size = myRepo.getCacheSize();
                                      assertTrue(size == 1 || size == 2);
                                  }
                              }).to("mock:result");
                  }
              };
          }
      }
  }
  