001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.shiro.dao;
020
021import org.apache.shiro.ShiroException;
022
023/**
024 * Generic exception representing a problem when attempting to access data.
025 * <p/>
026 * The idea was borrowed from the Spring Framework, which has a nice model for a generic DAO exception hierarchy.
027 * Unfortunately we can't use it as we can't force a Spring API usage on all Shiro end-users.
028 *
029 * @since 1.2
030 */
031public abstract class DataAccessException extends ShiroException {
032
033    /**
034     * Constructs a DataAccessException with a message explaining the cause of the exception.
035     *
036     * @param message the message explaining the cause of the exception
037     */
038    public DataAccessException(String message) {
039        super(message);
040    }
041
042    /**
043     * Constructs a DataAccessException with a message explaining the cause of the exception.
044     *
045     * @param message the explanation
046     * @param cause   the root cause of the exception, typically an API-specific exception
047     */
048    public DataAccessException(String message, Throwable cause) {
049        super(message, cause);
050    }
051}