/* * Copyright 2016-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.util.cache.FileHashCache; /** Functionality used in the {@link CachingBuildEngine} when running a distributed build. */ public interface CachingBuildEngineDelegate { FileHashCache getFileHashCache(); /** * Called right before the rule is going to be built. This is when direct inputs to the rule would * get materialized on disk. * * @param buildRule rule that is about to be built. */ void onRuleAboutToBeBuilt(BuildRule buildRule); }