| // 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; |
| |
| import com.google.devtools.build.lib.actions.Executor.ActionContext; |
| |
| /** |
| * An object that provides execution strategies to {@link BlazeExecutor}. |
| * |
| * <p>For more information, see {@link ActionContextConsumer}. |
| */ |
| public abstract class ActionContextProvider { |
| /** |
| * Returns the execution strategies that are provided by this object. |
| * |
| * <p>These may or may not actually end up in the executor depending on the command line options |
| * and other factors influencing how the executor is set up. |
| */ |
| public abstract Iterable<ActionContext> getActionContexts(); |
| |
| /** |
| * Called when the executor is constructed. The parameter contains all the contexts that were |
| * selected for this execution phase. |
| */ |
| public void executorCreated(Iterable<ActionContext> usedContexts) throws ExecutorInitException {} |
| |
| /** |
| * Called when the execution phase is started. |
| */ |
| public void executionPhaseStarting( |
| ActionInputFileCache actionInputFileCache, |
| ActionGraph actionGraph, |
| Iterable<Artifact> topLevelArtifacts) |
| throws ExecutorInitException, InterruptedException {} |
| |
| /** |
| * Called when the execution phase is finished. |
| */ |
| public void executionPhaseEnding() {} |
| } |