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.hooks;
  
  import backtype.storm.hooks.info.BoltAckInfo;
  import backtype.storm.hooks.info.BoltExecuteInfo;
  import backtype.storm.hooks.info.SpoutFailInfo;
  import backtype.storm.hooks.info.SpoutAckInfo;
  import backtype.storm.hooks.info.EmitInfo;
  import backtype.storm.hooks.info.BoltFailInfo;
  import backtype.storm.task.TopologyContext;
  import java.util.Map;
  
  public interface ITaskHook {
      void prepare(Map conf, TopologyContext context);
  
      void cleanup();
  
      void emit(EmitInfo info);
  
      void spoutAck(SpoutAckInfo info);
  
      void spoutFail(SpoutFailInfo info);
  
      void boltExecute(BoltExecuteInfo info);
  
      void boltAck(BoltAckInfo info);
  
      void boltFail(BoltFailInfo info);
  }
  