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// Copyright 2018 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;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.AnalysisProtos;
import com.google.devtools.build.lib.analysis.AnalysisProtos.ActionGraphContainer;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
/**
* Cache for NestedSets in the action graph.
*/
public class KnownNestedSets extends BaseCache<Object, AnalysisProtos.DepSetOfFiles> {
private final KnownArtifacts knownArtifacts;
KnownNestedSets(ActionGraphContainer.Builder actionGraphBuilder, KnownArtifacts knownArtifacts) {
super(actionGraphBuilder);
this.knownArtifacts = knownArtifacts;
}
@Override
protected Object transformToKey(Object nestedSet) {
return ((NestedSet) nestedSet).toNode();
}
@Override
AnalysisProtos.DepSetOfFiles createProto(Object nestedSetObject, String id) {
NestedSet<?> nestedSet = (NestedSet) nestedSetObject;
AnalysisProtos.DepSetOfFiles.Builder depSetBuilder = AnalysisProtos.DepSetOfFiles
.newBuilder()
.setId(id);
for (NestedSet<?> succ : nestedSet.getNonLeaves()) {
depSetBuilder.addTransitiveDepSetIds(this.dataToId(succ));
}
for (Object elem : nestedSet.getLeaves()) {
depSetBuilder.addDirectArtifactIds(knownArtifacts.dataToId((Artifact) elem));
}
return depSetBuilder.build();
}
@Override
void addToActionGraphBuilder(AnalysisProtos.DepSetOfFiles depSetOfFilesProto) {
actionGraphBuilder.addDepSetOfFiles(depSetOfFilesProto);
}
}