| // 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.annotations.VisibleForTesting; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Iterables; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.actions.BaseSpawn; |
| import com.google.devtools.build.lib.actions.RunfilesSupplier; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| /** |
| * {@link RunfilesSupplier} implementation wrapping directory to {@link Runfiles} objects mappings. |
| */ |
| public class RunfilesSupplierImpl implements RunfilesSupplier { |
| |
| private final ImmutableMap<PathFragment, Runfiles> inputRunfiles; |
| |
| /** |
| * Create an instance for an executable. |
| * |
| * @param executable the executable the runfiles are for, used for determining the runfiles |
| * directory |
| * @param runfiles the associated runfiles |
| */ |
| public RunfilesSupplierImpl(Artifact executable, Runfiles runfiles) { |
| this(BaseSpawn.runfilesForFragment(executable.getExecPath()), runfiles); |
| } |
| |
| /** |
| * Create an instance when you have a a single mapping. |
| * |
| * @param runfilesDir the desired runfiles directory. Should be relative. |
| * @param runfiles the runfiles for runfilesDir |
| */ |
| public RunfilesSupplierImpl(PathFragment runfilesDir, Runfiles runfiles) { |
| this.inputRunfiles = ImmutableMap.of(runfilesDir, runfiles); |
| } |
| |
| @VisibleForTesting |
| public RunfilesSupplierImpl(Map<PathFragment, Runfiles> inputRunfiles) { |
| this.inputRunfiles = ImmutableMap.copyOf(inputRunfiles); |
| } |
| |
| @Override |
| public Iterable<Artifact> getArtifacts() { |
| ImmutableSet.Builder<Artifact> builder = ImmutableSet.builder(); |
| for (Entry<PathFragment, Runfiles> entry : inputRunfiles.entrySet()) { |
| builder.addAll( |
| Iterables.filter(entry.getValue().getAllArtifacts(), Artifact.MIDDLEMAN_FILTER)); |
| } |
| return builder.build(); |
| } |
| |
| @Override |
| public ImmutableSet<PathFragment> getRunfilesDirs() { |
| return inputRunfiles.keySet(); |
| } |
| |
| @Override |
| public ImmutableMap<PathFragment, Map<PathFragment, Artifact>> getMappings() throws IOException { |
| ImmutableMap.Builder<PathFragment, Map<PathFragment, Artifact>> result = |
| ImmutableMap.builder(); |
| for (Entry<PathFragment, Runfiles> entry : inputRunfiles.entrySet()) { |
| result.put(entry.getKey(), entry.getValue().getRunfilesInputs(null, null)); |
| } |
| return result.build(); |
| } |
| |
| } |