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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software 
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License.
16   */
17  
18  
19  package org.apache.jdo.impl.enhancer.meta;
20  
21  
22  /***
23   * Thrown to indicate that an access to JDO meta-data failed; the
24   * meta-data component is assured to remain in consistent state.
25   */
26  public class EnhancerMetaDataUserException
27      //^olsen: provisional, convert to a checked exception
28      extends RuntimeException
29  {
30      /***
31       * An optional nested exception.
32       */
33      public final Throwable nested;
34  
35      /***
36       * Constructs an <code>EnhancerMetaDataUserException</code> with no detail
37       * message.
38       */
39      public EnhancerMetaDataUserException()
40      {
41          this.nested = null;
42      }
43  
44      /***
45       * Constructs an <code>EnhancerMetaDataUserException</code> with the specified
46       * detail message.
47       */
48      public EnhancerMetaDataUserException(String msg)
49      {
50          super(msg);
51          this.nested = null;
52      }
53  
54      /***
55       * Constructs an <code>EnhancerMetaDataUserException</code> with an optional
56       * nested exception.
57       */
58      public EnhancerMetaDataUserException(Throwable nested)
59      {
60          super("nested exception: " + nested);
61          this.nested = nested;
62      }
63  
64      /***
65       * Constructs an <code>EnhancerMetaDataUserException</code> with the specified
66       * detail message and an optional nested exception.
67       */
68      public EnhancerMetaDataUserException(String msg, Throwable nested)
69      {
70          super(msg);
71          this.nested = nested;
72      }
73  }