| /* |
| * Copyright 2016 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.idea.blaze.base.targetmaps; |
| |
| import com.google.common.collect.ImmutableMultimap; |
| import com.google.idea.blaze.base.ideinfo.Dependency; |
| import com.google.idea.blaze.base.ideinfo.TargetIdeInfo; |
| import com.google.idea.blaze.base.ideinfo.TargetKey; |
| import com.google.idea.blaze.base.ideinfo.TargetMap; |
| |
| /** Handy class to create an reverse dep map of all targets */ |
| public class ReverseDependencyMap { |
| public static ImmutableMultimap<TargetKey, TargetKey> createRdepsMap(TargetMap targetMap) { |
| ImmutableMultimap.Builder<TargetKey, TargetKey> builder = ImmutableMultimap.builder(); |
| for (TargetIdeInfo target : targetMap.targets()) { |
| TargetKey key = target.key; |
| for (Dependency dep : target.dependencies) { |
| TargetKey depKey = dep.targetKey; |
| if (targetMap.contains(depKey)) { |
| builder.put(depKey, key); |
| } |
| } |
| } |
| return builder.build(); |
| } |
| } |