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.quickfixj.examples;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.ExchangePattern;
  import org.apache.camel.Producer;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.quickfixj.QuickfixjEndpoint;
  import org.apache.camel.component.quickfixj.TestSupport;
  import org.apache.camel.component.quickfixj.examples.util.CountDownLatchDecrementer;
  import org.apache.camel.impl.DefaultCamelContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import quickfix.field.MsgType;
  import quickfix.fix42.Email;
  
  /**
   * Stopping a route should stop engine if no longer in use. And starting the route should start engine again.
   */
  public class RestartRouteExample {
      private static final Logger LOG = LoggerFactory.getLogger(RestartRouteExample.class);
  
      public static void main(String[] args) throws Exception {
          new RestartRouteExample().sendMessage();
      }
  
      public void sendMessage() throws Exception {
          DefaultCamelContext context = new DefaultCamelContext();
  
          final CountDownLatch receivedMessageLatch = new CountDownLatch(2);
  
          RouteBuilder routes = new RouteBuilder() {
              @Override
              public void configure() {
                  from("quickfix:examples/inprocess.qf.cfg?sessionID=FIX.4.2:MARKET->TRADER").routeId("foo")
                          .filter(header(QuickfixjEndpoint.MESSAGE_TYPE_KEY).isEqualTo(MsgType.EMAIL))
                          .bean(new CountDownLatchDecrementer("message", receivedMessageLatch));
              }
          };
  
          context.addRoutes(routes);
  
          LOG.info("Starting Camel context");
          context.start();
  
          String marketUri = "quickfix:examples/inprocess.qf.cfg?sessionID=FIX.4.2:TRADER->MARKET";
          Producer producer = context.getEndpoint(marketUri).createProducer();
  
          Email email = TestSupport.createEmailMessage("Example");
          Exchange exchange = producer.getEndpoint().createExchange(ExchangePattern.InOnly);
          exchange.getIn().setBody(email);
          producer.process(exchange);
  
          // wait a little before stopping
          Thread.sleep(5000);
  
          // stop route
          context.getRouteController().stopRoute("foo");
  
          // wait a little before starting
          Thread.sleep(5000);
  
          // start route again
          context.getRouteController().startRoute("foo");
  
          // wait a little before sending
          Thread.sleep(5000);
  
          // send another email
          producer = context.getEndpoint(marketUri).createProducer();
          email = TestSupport.createEmailMessage("Example2");
          exchange = producer.getEndpoint().createExchange(ExchangePattern.InOnly);
          exchange.getIn().setBody(email);
          producer.process(exchange);
  
          if (!receivedMessageLatch.await(30L, TimeUnit.SECONDS)) {
              throw new IllegalStateException("Message did not reach market");
          }
  
          LOG.info("Message received, shutting down Camel context");
  
          context.stop();
  
          LOG.info("Example complete");
      }
  }
  