001/*
002 * Copyright (C) 2008 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect.testing.features;
018
019import com.google.common.annotations.GwtCompatible;
020import java.util.Set;
021
022/**
023 * Thrown when requirements on a tester method or class conflict with each other.
024 *
025 * @author George van den Driessche
026 */
027@GwtCompatible
028public class ConflictingRequirementsException extends Exception {
029  private Set<Feature<?>> conflicts;
030  private Object source;
031
032  public ConflictingRequirementsException(
033      String message, Set<Feature<?>> conflicts, Object source) {
034    super(message);
035    this.conflicts = conflicts;
036    this.source = source;
037  }
038
039  public Set<Feature<?>> getConflicts() {
040    return conflicts;
041  }
042
043  public Object getSource() {
044    return source;
045  }
046
047  @Override
048  public String getMessage() {
049    return super.getMessage() + " (source: " + source + ")";
050  }
051
052  private static final long serialVersionUID = 0;
053}