spring IncorrectResultSetColumnCountException 源码
spring IncorrectResultSetColumnCountException 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/IncorrectResultSetColumnCountException.java
/*
* Copyright 2002-2018 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;
import org.springframework.dao.DataRetrievalFailureException;
/**
* Data access exception thrown when a result set did not have the correct column count,
* for example when expecting a single column but getting 0 or more than 1 columns.
*
* @author Juergen Hoeller
* @since 2.0
* @see org.springframework.dao.IncorrectResultSizeDataAccessException
*/
@SuppressWarnings("serial")
public class IncorrectResultSetColumnCountException extends DataRetrievalFailureException {
private final int expectedCount;
private final int actualCount;
/**
* Constructor for IncorrectResultSetColumnCountException.
* @param expectedCount the expected column count
* @param actualCount the actual column count
*/
public IncorrectResultSetColumnCountException(int expectedCount, int actualCount) {
super("Incorrect column count: expected " + expectedCount + ", actual " + actualCount);
this.expectedCount = expectedCount;
this.actualCount = actualCount;
}
/**
* Constructor for IncorrectResultCountDataAccessException.
* @param msg the detail message
* @param expectedCount the expected column count
* @param actualCount the actual column count
*/
public IncorrectResultSetColumnCountException(String msg, int expectedCount, int actualCount) {
super(msg);
this.expectedCount = expectedCount;
this.actualCount = actualCount;
}
/**
* Return the expected column count.
*/
public int getExpectedCount() {
return this.expectedCount;
}
/**
* Return the actual column count.
*/
public int getActualCount() {
return this.actualCount;
}
}
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