001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.core.framework.persistence.ojb;
017
018import java.util.Collections;
019import java.util.HashSet;
020import java.util.Set;
021
022import org.apache.commons.lang.exception.ExceptionUtils;
023import org.apache.ojb.broker.OptimisticLockException;
024import org.springframework.dao.OptimisticLockingFailureException;
025
026/**
027 * Provides some simple utilities for working with data access exceptions.
028 *
029 * @author Kuali Rice Team (rice.collab@kuali.org)
030 */
031@Deprecated
032public final class DataAccessUtils {
033
034    private static final Set<Class<? extends Throwable>> OPTIMISTIC_LOCK_EXCEPTION_CLASSES = new HashSet<Class<? extends Throwable>>();
035    
036        private DataAccessUtils() {
037                throw new UnsupportedOperationException("do not call");
038        }
039
040    // add some standard optimistic lock exception classes
041    static {
042        addOptimisticLockExceptionClass(OptimisticLockException.class);
043        addOptimisticLockExceptionClass(OptimisticLockingFailureException.class);
044    }
045
046    public static synchronized boolean isOptimisticLockFailure(Throwable exception) {
047        if (exception == null) {
048            return false;
049        }
050        for (final Class<?> exceptionClass : getOptimisticLockExceptionClasses()) {
051            if (ExceptionUtils.indexOfType(exception, exceptionClass) >= 0) {
052                return true;
053            }
054        }
055        return false;
056    }
057
058    public static synchronized void addOptimisticLockExceptionClass(Class<? extends Throwable> exceptionClass) {
059        OPTIMISTIC_LOCK_EXCEPTION_CLASSES.add(exceptionClass);
060    }
061
062    public static synchronized Set<Class<? extends Throwable>> getOptimisticLockExceptionClasses() {
063        return Collections.unmodifiableSet(OPTIMISTIC_LOCK_EXCEPTION_CLASSES);
064    }
065
066}