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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.shiro.dao;
20  
21  import org.apache.shiro.ShiroException;
22  
23  /**
24   * Generic exception representing a problem when attempting to access data.
25   * <p/>
26   * The idea was borrowed from the Spring Framework, which has a nice model for a generic DAO exception hierarchy.
27   * Unfortunately we can't use it as we can't force a Spring API usage on all Shiro end-users.
28   *
29   * @since 1.2
30   */
31  public abstract class DataAccessException extends ShiroException {
32  
33      /**
34       * Constructs a DataAccessException with a message explaining the cause of the exception.
35       *
36       * @param message the message explaining the cause of the exception
37       */
38      public DataAccessException(String message) {
39          super(message);
40      }
41  
42      /**
43       * Constructs a DataAccessException with a message explaining the cause of the exception.
44       *
45       * @param message the explanation
46       * @param cause   the root cause of the exception, typically an API-specific exception
47       */
48      public DataAccessException(String message, Throwable cause) {
49          super(message, cause);
50      }
51  }