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// Copyright 2015 Google Inc. 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();
}
}
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