spring PreparedStatementSetter 源码
spring PreparedStatementSetter 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/core/PreparedStatementSetter.java
/*
* Copyright 2002-2016 the original author or authors.
*
* 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
*
* https://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 org.springframework.jdbc.core;
import java.sql.PreparedStatement;
import java.sql.SQLException;
/**
* General callback interface used by the {@link JdbcTemplate} class.
*
* <p>This interface sets values on a {@link java.sql.PreparedStatement} provided
* by the JdbcTemplate class, for each of a number of updates in a batch using the
* same SQL. Implementations are responsible for setting any necessary parameters.
* SQL with placeholders will already have been supplied.
*
* <p>It's easier to use this interface than {@link PreparedStatementCreator}:
* The JdbcTemplate will create the PreparedStatement, with the callback
* only being responsible for setting parameter values.
*
* <p>Implementations <i>do not</i> need to concern themselves with
* SQLExceptions that may be thrown from operations they attempt.
* The JdbcTemplate class will catch and handle SQLExceptions appropriately.
*
* @author Rod Johnson
* @since March 2, 2003
* @see JdbcTemplate#update(String, PreparedStatementSetter)
* @see JdbcTemplate#query(String, PreparedStatementSetter, ResultSetExtractor)
*/
@FunctionalInterface
public interface PreparedStatementSetter {
/**
* Set parameter values on the given PreparedStatement.
* @param ps the PreparedStatement to invoke setter methods on
* @throws SQLException if an SQLException is encountered
* (i.e. there is no need to catch SQLException)
*/
void setValues(PreparedStatement ps) throws SQLException;
}
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