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.conflict;
  
  import com.alibaba.otter.shared.etl.model.FileBatch;
  
  /**
   * 文件冲突检测service
   * 
   * @author jianghang 2011-11-10 上午09:34:44
   * @version 4.0.0
   */
  public interface FileBatchConflictDetectService {
  
      /**
       * 和本地的file进行冲突检测，过滤冲突记录，返回无冲突的记录
       * 
       * <pre>
       * <strong>注意：在extract之前调用该方法</strong>
       * </pre>
       */
      public FileBatch detect(FileBatch fileBatch, Long targetNodeId);
  
  }
  