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Spring Framework example source code file (PersistenceExceptionTranslator.java)

This example Spring Framework source code file (PersistenceExceptionTranslator.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

dataaccessexception, dataaccessexception, persistenceexceptiontranslator, persistenceexceptiontranslator

The Spring Framework PersistenceExceptionTranslator.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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.springframework.dao.support;

import org.springframework.dao.DataAccessException;

 * Interface implemented by Spring integrations with data access technologies
 * that throw runtime exceptions, such as JPA, TopLink, JDO and Hibernate.
 * <p>This allows consistent usage of combined exception translation functionality,
 * without forcing a single translator to understand every single possible type
 * of exception.
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @since 2.0
public interface PersistenceExceptionTranslator {
	 * Translate the given runtime exception thrown by a persistence framework to a
	 * corresponding exception from Spring's generic DataAccessException hierarchy,
	 * if possible.
	 * <p>Do not translate exceptions that are not understand by this translator:
	 * for example, if coming from another persistence framework, or resulting
	 * from user code and unrelated to persistence.
	 * <p>Of particular importance is the correct translation to
	 * DataIntegrityViolationException, for example on constraint violation.
	 * Implementations may use Spring JDBC's sophisticated exception translation
	 * to provide further information in the event of SQLException as a root cause.
	 * @param ex a RuntimeException thrown
	 * @return the corresponding DataAccessException (or <code>null if the
	 * exception could not be translated, as in this case it may result from
	 * user code rather than an actual persistence problem)
	 * @see org.springframework.dao.DataIntegrityViolationException
	 * @see org.springframework.jdbc.support.SQLExceptionTranslator
	DataAccessException translateExceptionIfPossible(RuntimeException ex);


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