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Spring Framework example source code file (JdbcUpdateAffectedIncorrectNumberOfRowsException.java)

This example Spring Framework source code file (JdbcUpdateAffectedIncorrectNumberOfRowsException.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

incorrectupdatesemanticsdataaccessexception, incorrectupdatesemanticsdataaccessexception, jdbcupdateaffectedincorrectnumberofrowsexception, jdbcupdateaffectedincorrectnumberofrowsexception, sql, sql

The Spring Framework JdbcUpdateAffectedIncorrectNumberOfRowsException.java source code

/*
 * Copyright 2002-2006 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.springframework.jdbc;

import org.springframework.dao.IncorrectUpdateSemanticsDataAccessException;

/**
 * Exception thrown when a JDBC update affects an unexpected number of rows.
 * Typically we expect an update to affect a single row, meaning it's an
 * error if it affects multiple rows.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
public class JdbcUpdateAffectedIncorrectNumberOfRowsException extends IncorrectUpdateSemanticsDataAccessException {

	/** Number of rows that should have been affected */
	private int expected;

	/** Number of rows that actually were affected */
	private int actual;


	/**
	 * Constructor for JdbcUpdateAffectedIncorrectNumberOfRowsException.
	 * @param sql SQL we were tring to execute
	 * @param expected the expected number of rows affected
	 * @param actual the actual number of rows affected
	 */
	public JdbcUpdateAffectedIncorrectNumberOfRowsException(String sql, int expected, int actual) {
		super("SQL update '" + sql + "' affected " + actual + " rows, not " + expected + " as expected");
		this.expected = expected;
		this.actual = actual;
	}


	/**
	 * Return the number of rows that should have been affected.
	 */
	public int getExpectedRowsAffected() {
		return this.expected;
	}

	/**
	 * Return the number of rows that have actually been affected.
	 */
	public int getActualRowsAffected() {
		return this.actual;
	}

	public boolean wasDataUpdated() {
		return (getActualRowsAffected() > 0);
	}

}

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