|  | // 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.actions; | 
|  |  | 
|  | /** | 
|  | * Used as a notification mechanism for the scheduling middleman mutations | 
|  | * related to scheduling exclusive tests. | 
|  | */ | 
|  | public interface TestMiddlemanObserver { | 
|  |  | 
|  | /** | 
|  | * Called when the test removes the stale middleman. | 
|  | * | 
|  | * @param action the test action. | 
|  | * @param middleman the scheduling middleman. | 
|  | * @param middlemanAction the action generating the scheduling middleman | 
|  | */ | 
|  | void remove(Action action, Artifact middleman, Action middlemanAction); | 
|  | } |