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 backtype.storm.spout;
  
  import backtype.storm.Config;
  import java.util.Map;
  
  public class SleepSpoutWaitStrategy implements ISpoutWaitStrategy {
  
      long sleepMillis;
  
      @Override
      public void prepare(Map conf) {
          sleepMillis = ((Number) conf.get(Config.TOPOLOGY_SLEEP_SPOUT_WAIT_STRATEGY_TIME_MS)).longValue();
      }
  
      @Override
      public void emptyEmit(long streak) {
          try {
              Thread.sleep(sleepMillis);
          } catch (InterruptedException e) {
              throw new RuntimeException(e);
          }
      }
  }
  