| // Copyright 2019 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.skyframe.actiongraph.v2; |
| |
| import com.google.devtools.build.lib.analysis.AnalysisProtosV2; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import java.io.IOException; |
| |
| /** Cache for {@link PathFragment} in the action graph. */ |
| public class KnownPathFragments extends BaseCache<PathFragment, AnalysisProtosV2.PathFragment> { |
| KnownPathFragments(AqueryOutputHandler aqueryOutputHandler) { |
| super(aqueryOutputHandler); |
| } |
| |
| @Override |
| AnalysisProtosV2.PathFragment createProto(PathFragment pathFragment, int id) |
| throws IOException, InterruptedException { |
| AnalysisProtosV2.PathFragment.Builder pathFragmentProtoBuilder = |
| AnalysisProtosV2.PathFragment.newBuilder().setId(id).setLabel(pathFragment.getBaseName()); |
| |
| // Recursively create the ancestor path fragments. |
| // If pathFragment has no parent, leave parentId blank and avoid calling dataToId |
| // to prevent the cache from being polluted with a null entry. |
| if (hasParent(pathFragment)) { |
| pathFragmentProtoBuilder.setParentId( |
| dataToIdAndStreamOutputProto(pathFragment.getParentDirectory())); |
| } |
| |
| return pathFragmentProtoBuilder.build(); |
| } |
| |
| @Override |
| void toOutput(AnalysisProtosV2.PathFragment pathFragmentProto) throws IOException { |
| aqueryOutputHandler.outputPathFragment(pathFragmentProto); |
| } |
| |
| private static boolean hasParent(PathFragment pathFragment) { |
| return pathFragment.getParentDirectory() != null |
| && !pathFragment.getParentDirectory().getBaseName().isEmpty(); |
| } |
| } |