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.datasource;
  
  import com.alibaba.otter.shared.common.model.config.data.DataMediaSource;
  
  /**
   * 抽象所有的data source处理service,并且返回DataMedia的meta信息
   * 
   * @author xiaoqing.zhouxq
   */
  public interface DataSourceService {
  
      /**
       * 返回操作数据源的句柄
       * 
       * @param <T>
       * @param dataMediaId
       * @return
       */
      <T> T getDataSource(long pipelineId, DataMediaSource dataMediaSource);
  
      /**
       * 释放当前pipeline的数据源.
       * 
       * @param pipeline
       */
      void destroy(Long pipelineId);
  
  }
  