text: /*
   * Copyright (C) Scott Cranton and Jakub Korab
   * https://github.com/CamelCookbook
   *
   * Licensed 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.camelcookbook.error.shared;
  
  import org.apache.camel.Exchange;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class SporadicProcessor {
      private final static Logger LOG = LoggerFactory.getLogger(SporadicProcessor.class);
  
      private long lastCall;
  
      public void doSomething(Exchange exchange) throws SporadicException {
          if (exchange.getIn().getHeader(Exchange.REDELIVERED, false, boolean.class)) {
              exchange.setProperty("SporadicDelay", (System.currentTimeMillis() - lastCall));
              LOG.info("SporadicProcessor works on retry");
              return;
          }
          lastCall = System.currentTimeMillis();
          LOG.info("SporadicProcessor fails");
          throw new SporadicException("SporadicProcessor is unavailable");
      }
  }
  