1 /* 2 * Copyright 2009-2021 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 * http://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 * @return the result 38 * @throws SQLException 39 * the SQL exception 40 */ 41 T getResult(ResultSet rs, String columnName) throws SQLException; 42 43 T getResult(ResultSet rs, int columnIndex) throws SQLException; 44 45 T getResult(CallableStatement cs, int columnIndex) throws SQLException; 46 47 }