content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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 com.alibaba.otter.node.etl.common.pipe;
  
  import com.alibaba.otter.node.etl.common.pipe.exception.PipeException;
  
  /**
   * S.E.T.L模块之间的数据交互工具
   * 
   * @author jianghang 2011-10-10 下午04:48:44
   * @version 4.0.0
   */
  public interface Pipe<T, KEY extends PipeKey> {
  
      /**
       * 向管道中添加数据
       * 
       * @param data
       */
      public KEY put(T data) throws PipeException;
  
      /**
       * 通过key获取管道中的数据
       * 
       * @param key
       * @return
       */
      public T get(KEY key) throws PipeException;
  }
  