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.shared.etl.extend.fileresolver;
  
  import java.util.Map;
  
  /**
   * 文件提取接口类，包含附件的业务表需要实现该接口获取记录对应的附件信息.
   * 
   * @author xiaoqing.zhouxq
   */
  public interface FileResolver {
  
      /**
       * Get attachment file, the logic:
       * 
       * @param rowMap key=column_name(UpCase) value=column_value
       * @return FileInfo[] or null
       */
      public FileInfo[] getFileInfo(Map<String, String> rowMap);
  
      /**
       * 针对数据delete类型是否删除对应文件
       * 
       * @return
       */
      public boolean isDeleteRequired();
  
      public boolean isDistributed();
  
  }
  