/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.shiro.dao;

import org.apache.shiro.ShiroException;

/**
 * Generic exception representing a problem when attempting to access data.
 * <p/>
 * The idea was borrowed from the Spring Framework, which has a nice model for a generic DAO exception hierarchy.
 * Unfortunately we can't use it as we can't force a Spring API usage on all Shiro end-users.
 *
 * @since 1.2
 */
public abstract class DataAccessException extends ShiroException {

    /**
     * Constructs a DataAccessException with a message explaining the cause of the exception.
     *
     * @param message the message explaining the cause of the exception
     */
    public DataAccessException(String message) {
        super(message);
    }

    /**
     * Constructs a DataAccessException with a message explaining the cause of the exception.
     *
     * @param message the explanation
     * @param cause   the root cause of the exception, typically an API-specific exception
     */
    public DataAccessException(String message, Throwable cause) {
        super(message, cause);
    }
}
