| /* |
| * Copyright 2014-present Facebook, Inc. |
| * |
| * 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.facebook.buck.rules; |
| |
| import com.facebook.buck.model.BuildTarget; |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| import java.util.concurrent.ExecutionException; |
| |
| /** |
| * A build engine is responsible for building a given build rule, which includes all its transitive |
| * dependencies. |
| */ |
| public interface BuildEngine { |
| |
| /** |
| * Build the given build rule and return a future to the build rule success. |
| */ |
| ListenableFuture<BuildRuleSuccess> build(BuildContext context, BuildRule rule); |
| |
| /** |
| * Returns the build result of the build rule associated with the given build target. |
| * Returns {@code null} if the build rule has not yet been built. |
| */ |
| BuildRuleSuccess getBuildRuleResult(BuildTarget buildTarget) |
| throws ExecutionException, InterruptedException; |
| |
| /** |
| * Returns whether the build rule associated with the build target has been successfully built. |
| */ |
| boolean isRuleBuilt(BuildTarget buildTarget) throws InterruptedException; |
| |
| /** |
| * This is a temporary hack to expose a build rule's rule key to the associated buildable. |
| */ |
| RuleKey getRuleKey(BuildTarget buildTarget); |
| } |