|  | // Copyright 2014 The Bazel Authors. All rights reserved. | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //    http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  | package com.google.devtools.build.lib.skyframe; | 
|  |  | 
|  | import static com.google.common.base.Preconditions.checkNotNull; | 
|  |  | 
|  | /** | 
|  | * Thrown on {@link DiffAwareness#getDiff} to indicate that something is wrong with the | 
|  | * {@link DiffAwareness} instance and it should not be used again. | 
|  | */ | 
|  | public class BrokenDiffAwarenessException extends Exception { | 
|  |  | 
|  | public BrokenDiffAwarenessException(String msg) { | 
|  | super(checkNotNull(msg)); | 
|  | } | 
|  |  | 
|  | public BrokenDiffAwarenessException(String msg, Throwable cause) { | 
|  | super(checkNotNull(msg), cause); | 
|  | } | 
|  | } |