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.itest.springboot.arquillian.container.util;
  
  import java.util.concurrent.Callable;
  import java.util.concurrent.TimeUnit;
  
  public class Await {
  
      private static final long DEFAULT_SLEEP_INTERVAL = 100L;
  
      private final long delay;
  
      private final long sleepInterval;
  
      private final Callable<Boolean> condition;
  
      /**
       *
       * @param delay
       * @param condition
       */
      public Await(long delay, Callable<Boolean> condition) {
          this(DEFAULT_SLEEP_INTERVAL, delay, condition);
      }
  
      /**
       *
       * @param delay
       *            The delay in seconds
       * @param sleepInterval
       *            Thread sleep interval in ms
       * @param condition
       */
      public Await(long sleepInterval, long delay, Callable<Boolean> condition) {
          this.delay = TimeUnit.SECONDS.toMillis(delay);
          this.sleepInterval = sleepInterval;
          this.condition = condition;
      }
  
      public boolean start() {
          long start = System.currentTimeMillis();
          do {
              try {
                  if (condition.call()) {
                      return true;
                  }
              } catch (Exception ignored) {
              }
              try {
                  Thread.sleep(sleepInterval);
              } catch (InterruptedException e) {
                  Thread.currentThread().interrupt();
                  return false;
              }
          } while (!isTimeoutExpired(start));
          return false;
      }
  
      private boolean isTimeoutExpired(long start) {
          return (System.currentTimeMillis() - start) >= delay;
      }
  
  }
  