spring BatchPreparedStatementSetter 源码
spring BatchPreparedStatementSetter 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/core/BatchPreparedStatementSetter.java
/*
* Copyright 2002-2012 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;
/**
* Batch update 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>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#batchUpdate(String, BatchPreparedStatementSetter)
* @see InterruptibleBatchPreparedStatementSetter
*/
public interface BatchPreparedStatementSetter {
/**
* Set parameter values on the given PreparedStatement.
* @param ps the PreparedStatement to invoke setter methods on
* @param i index of the statement we're issuing in the batch, starting from 0
* @throws SQLException if an SQLException is encountered
* (i.e. there is no need to catch SQLException)
*/
void setValues(PreparedStatement ps, int i) throws SQLException;
/**
* Return the size of the batch.
* @return the number of statements in the batch
*/
int getBatchSize();
}
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