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1   /*
2    * Copyright (C) 2008 The Guava Authors
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.google.common.collect.testing.features;
18  
19  import com.google.common.annotations.GwtCompatible;
20  import java.util.Set;
21  
22  /**
23   * Thrown when requirements on a tester method or class conflict with
24   * each other.
25   *
26   * @author George van den Driessche
27   */
28  @GwtCompatible
29  public class ConflictingRequirementsException extends Exception {
30    private Set<Feature<?>> conflicts;
31    private Object source;
32  
33    public ConflictingRequirementsException(
34        String message, Set<Feature<?>> conflicts, Object source) {
35      super(message);
36      this.conflicts = conflicts;
37      this.source = source;
38    }
39  
40    public Set<Feature<?>> getConflicts() {
41      return conflicts;
42    }
43  
44    public Object getSource() {
45      return source;
46    }
47  
48    @Override
49    public String getMessage() {
50      return super.getMessage() + " (source: " + source + ")";
51    }
52  
53    private static final long serialVersionUID = 0;
54  }