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HSEARCH-996 Update Hibernate Core to 4.0.0.CR7
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...orm/src/main/java/org/hibernate/search/jpa/impl/OptimisticLockingCompatibilityHelper.java
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| /* | ||
| * Hibernate, Relational Persistence for Idiomatic Java | ||
| * | ||
| * JBoss, Home of Professional Open Source | ||
| * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors | ||
| * as indicated by the @authors tag. All rights reserved. | ||
| * See the copyright.txt in the distribution for a | ||
| * full listing of individual contributors. | ||
| * | ||
| * This copyrighted material is made available to anyone wishing to use, | ||
| * modify, copy, or redistribute it subject to the terms and conditions | ||
| * of the GNU Lesser General Public License, v. 2.1. | ||
| * This program is distributed in the hope that it will be useful, but WITHOUT A | ||
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A | ||
| * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. | ||
| * You should have received a copy of the GNU Lesser General Public License, | ||
| * v.2.1 along with this distribution; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| * MA 02110-1301, USA. | ||
| */ | ||
| package org.hibernate.search.jpa.impl; | ||
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| import javax.persistence.OptimisticLockException; | ||
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| import org.hibernate.HibernateException; | ||
| import org.hibernate.Session; | ||
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| /** | ||
| * Helper class for FullTextQueryImpl to extract information out of an | ||
| * Hibernate OptimisticLockException and create the JPA counterpart. | ||
| * | ||
| * @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc. | ||
| */ | ||
| public class OptimisticLockingCompatibilityHelper { | ||
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| //This is the new classname, and is extended by the deprecated one so it is compatible with both types | ||
| private static final String parentOptimisticLockExceptionClassName = "org.hibernate.dialect.lock.OptimisticEntityLockException"; | ||
| private static final String deprecatedOtimisticLockExceptionClassName = "org.hibernate.OptimisticLockException"; | ||
| private static final Class optimisticLockExceptionClass = figureCompatibleOptimisticLockExceptionClass(); | ||
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| /** | ||
| * Looks for the new Hibernate class name, or fallbacks to the older one. | ||
| * @return the type of optimistic lock exceptions which Hibernate is going to throw | ||
| */ | ||
| private static Class figureCompatibleOptimisticLockExceptionClass() { | ||
| try { | ||
| return Class.forName( parentOptimisticLockExceptionClassName, true, Session.class.getClassLoader() ); | ||
| } | ||
| catch ( ClassNotFoundException e ) { | ||
| // the failing class was introduced in Hibernate Core 4.0.0.CR7 only; fall back to old name when it's not found: | ||
| try { | ||
| return Class.forName( deprecatedOtimisticLockExceptionClassName, true, Session.class.getClassLoader() ); | ||
| } | ||
| catch ( ClassNotFoundException e1 ) { | ||
| // this is fatal, will need to check for null at runtime | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
|
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| /** | ||
| * We might need different ways to extract the error message according to what is available at runtime | ||
| * @param e | ||
| * @return | ||
| */ | ||
| private static Object extractEntityOufOfException(HibernateException e) { | ||
| if ( parentOptimisticLockExceptionClassName.equals( optimisticLockExceptionClass.getName() ) ) { | ||
| org.hibernate.dialect.lock.OptimisticEntityLockException oele = (org.hibernate.dialect.lock.OptimisticEntityLockException) e; | ||
| return oele.getEntity(); | ||
| } | ||
| else if ( deprecatedOtimisticLockExceptionClassName.equals( optimisticLockExceptionClass.getName() ) ) { | ||
| org.hibernate.OptimisticLockException oele = (org.hibernate.OptimisticLockException) e; | ||
| return oele.getEntity(); | ||
| } | ||
| return null; | ||
| } | ||
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| /** | ||
| * @param e an Hibernate runtime exception | ||
| * @return true if it's definitely an optimistic locking exception, false if we can't tell | ||
| */ | ||
| public static boolean isOptimisticLockException(HibernateException e) { | ||
| return optimisticLockExceptionClass != null && optimisticLockExceptionClass.isInstance( e ); | ||
| } | ||
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| /** | ||
| * Convert to a JPA exception; entity information is added only if possible | ||
| */ | ||
| public static OptimisticLockException convertToLockException(HibernateException e) { | ||
| Object entity = extractEntityOufOfException( e ); | ||
| if ( entity != null) { | ||
| return new OptimisticLockException( e.getMessage(), e, entity ); | ||
| } | ||
| else { | ||
| return new OptimisticLockException( e.getMessage(), e ); | ||
| } | ||
| } | ||
|
|
||
| } |
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