spring IncorrectUpdateSemanticsDataAccessException 源码
spring IncorrectUpdateSemanticsDataAccessException 代码
文件路径：/spring-tx/src/main/java/org/springframework/dao/IncorrectUpdateSemanticsDataAccessException.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.dao;
/**
* Data access exception thrown when something unintended appears to have
* happened with an update, but the transaction hasn't already been rolled back.
* Thrown, for example, when we wanted to update 1 row in an RDBMS but actually
* updated 3.
*
* @author Rod Johnson
*/
@SuppressWarnings("serial")
public class IncorrectUpdateSemanticsDataAccessException extends InvalidDataAccessResourceUsageException {
/**
* Constructor for IncorrectUpdateSemanticsDataAccessException.
* @param msg the detail message
*/
public IncorrectUpdateSemanticsDataAccessException(String msg) {
super(msg);
}
/**
* Constructor for IncorrectUpdateSemanticsDataAccessException.
* @param msg the detail message
* @param cause the root cause from the underlying API, such as JDBC
*/
public IncorrectUpdateSemanticsDataAccessException(String msg, Throwable cause) {
super(msg, cause);
}
/**
* Return whether data was updated.
* If this method returns false, there's nothing to roll back.
* <p>The default implementation always returns true.
* This can be overridden in subclasses.
*/
public boolean wasDataUpdated() {
return true;
}
}
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