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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 
     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 }
     55