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  
21  import java.util.Set;
22  
23  /**
24   * Thrown when requirements on a tester method or class conflict with
25   * each other.
26   *
27   * @author George van den Driessche
28   */
29  @GwtCompatible
30  public class ConflictingRequirementsException extends Exception {
31    private Set<Feature<?>> conflicts;
32    private Object source;
33  
34    public ConflictingRequirementsException(
35        String message, Set<Feature<?>> conflicts, Object source) {
36      super(message);
37      this.conflicts = conflicts;
38      this.source = source;
39    }
40  
41    public Set<Feature<?>> getConflicts() {
42      return conflicts;
43    }
44  
45    public Object getSource() {
46      return source;
47    }
48  
49    @Override public String getMessage() {
50      return super.getMessage() + " (source: " + source + ")";
51    }
52  
53    private static final long serialVersionUID = 0;
54  }