|  | // 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.skyframe; | 
|  |  | 
|  | import javax.annotation.Nullable; | 
|  |  | 
|  | /** Wrapper for a value or the typed exception thrown when trying to compute it. */ | 
|  | public abstract class ValueOrException2<E1 extends Exception, E2 extends Exception> | 
|  | extends ValueOrUntypedException { | 
|  |  | 
|  | /** Gets the stored value. Throws an exception if one was thrown when computing this value. */ | 
|  | @Nullable | 
|  | public abstract SkyValue get() throws E1, E2; | 
|  | } |