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1   /*
2    *    Copyright 2009-2023 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not use this file except in compliance with the License.
6    *    You may obtain a copy of the License at
7    *
8    *       https://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.apache.ibatis.type;
17  
18  import java.sql.CallableStatement;
19  import java.sql.PreparedStatement;
20  import java.sql.ResultSet;
21  import java.sql.SQLException;
22  
23  /**
24   * @author Clinton Begin
25   */
26  public interface TypeHandler<T> {
27  
28    void setParameter(PreparedStatement ps, int i, T parameter, JdbcType jdbcType) throws SQLException;
29  
30    /**
31     * Gets the result.
32     *
33     * @param rs
34     *          the rs
35     * @param columnName
36     *          Column name, when configuration <code>useColumnLabel</code> is <code>false</code>
37     *
38     * @return the result
39     *
40     * @throws SQLException
41     *           the SQL exception
42     */
43    T getResult(ResultSet rs, String columnName) throws SQLException;
44  
45    T getResult(ResultSet rs, int columnIndex) throws SQLException;
46  
47    T getResult(CallableStatement cs, int columnIndex) throws SQLException;
48  
49  }