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.common.utils.meta;
  
  import java.sql.Connection;
  import java.sql.DatabaseMetaData;
  
  import org.springframework.jdbc.core.JdbcTemplate;
  
  /**
   * @author zebin.xuzb @ 2012-8-8
   * @version 4.1.0
   */
  public abstract class DdlUtilsFilter {
  
      /**
       * 返回要获取 {@linkplain DatabaseMetaData} 的 {@linkplain Connection}，不能返回null
       * 
       * @param con
       * @return
       */
      public Connection filterConnection(Connection con) throws Exception {
          return con;
      }
  
      /**
       * 对 databaseMetaData 做一些过滤,返回 {@linkplain DatabaseMetaData}，不能为 null
       * 
       * @param databaseMetaData
       * @return
       */
      public DatabaseMetaData filterDataBaseMetaData(JdbcTemplate jdbcTemplate, Connection con,
                                                     DatabaseMetaData databaseMetaData) throws Exception {
          return databaseMetaData;
      }
  
  }
  