| // Copyright 2015 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.analysis; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Maps; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.actions.RunfilesSupplier; |
| import com.google.devtools.build.lib.util.Preconditions; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| /** RunfilesSupplier implementation composing instances. */ |
| public class CompositeRunfilesSupplier implements RunfilesSupplier { |
| |
| private final RunfilesSupplier first; |
| private final RunfilesSupplier second; |
| |
| /** Create an instance with {@code first} taking precedence over {@code second}. */ |
| public CompositeRunfilesSupplier(RunfilesSupplier first, RunfilesSupplier second) { |
| this.first = Preconditions.checkNotNull(first); |
| this.second = Preconditions.checkNotNull(second); |
| } |
| |
| @Override |
| public Iterable<Artifact> getArtifacts() { |
| ImmutableSet.Builder<Artifact> result = ImmutableSet.builder(); |
| result.addAll(first.getArtifacts()); |
| result.addAll(second.getArtifacts()); |
| return result.build(); |
| } |
| |
| @Override |
| public ImmutableSet<PathFragment> getRunfilesDirs() { |
| ImmutableSet.Builder<PathFragment> result = ImmutableSet.builder(); |
| result.addAll(first.getRunfilesDirs()); |
| result.addAll(second.getRunfilesDirs()); |
| return result.build(); |
| } |
| |
| @Override |
| public ImmutableMap<PathFragment, Map<PathFragment, Artifact>> getMappings() throws IOException { |
| Map<PathFragment, Map<PathFragment, Artifact>> result = Maps.newHashMap(); |
| result.putAll(second.getMappings()); |
| result.putAll(first.getMappings()); |
| return ImmutableMap.copyOf(result); |
| } |
| } |