org.apache.ibatis.executor.statement.StatementUtil Maven / Gradle / Ivy
/**
* Copyright 2009-2016 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
*
* 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 org.apache.ibatis.executor.statement;
import java.sql.SQLException;
import java.sql.Statement;
/**
* Utility for {@link java.sql.Statement}.
*
* @since 3.4.0
* @author Kazuki Shimizu
*/
public class StatementUtil {
private StatementUtil() {
// NOP
}
/**
* Apply a transaction timeout.
*
* Update a query timeout to apply a transaction timeout.
*
* @param statement a target statement
* @param queryTimeout a query timeout
* @param transactionTimeout a transaction timeout
* @throws SQLException if a database access error occurs, this method is called on a closed Statement
*/
public static void applyTransactionTimeout(Statement statement, Integer queryTimeout, Integer transactionTimeout) throws SQLException {
if (transactionTimeout == null){
return;
}
Integer timeToLiveOfQuery = null;
if (queryTimeout == null || queryTimeout == 0) {
timeToLiveOfQuery = transactionTimeout;
} else if (transactionTimeout < queryTimeout) {
timeToLiveOfQuery = transactionTimeout;
}
if (timeToLiveOfQuery != null) {
statement.setQueryTimeout(timeToLiveOfQuery);
}
}
}