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// Copyright 2014 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;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.FileArtifactValue;
import com.google.devtools.build.lib.util.Pair;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.Collection;
/** Value for aggregating artifacts, which must be expanded to a set of other artifacts. */
class AggregatingArtifactValue implements SkyValue {
private final FileArtifactValue selfData;
private final ImmutableList<Pair<Artifact, FileArtifactValue>> fileInputs;
private final ImmutableList<Pair<Artifact, TreeArtifactValue>> directoryInputs;
AggregatingArtifactValue(
ImmutableList<Pair<Artifact, FileArtifactValue>> fileInputs,
ImmutableList<Pair<Artifact, TreeArtifactValue>> directoryInputs,
FileArtifactValue selfData) {
this.fileInputs = Preconditions.checkNotNull(fileInputs);
this.directoryInputs = Preconditions.checkNotNull(directoryInputs);
this.selfData = Preconditions.checkNotNull(selfData);
}
/** Returns the none tree artifacts that this artifact expands to, together with their data. */
Collection<Pair<Artifact, FileArtifactValue>> getFileArtifacts() {
return fileInputs;
}
/**
* Returns the tree artifacts that this artifact expands to, together with the information
* to which artifacts the tree artifacts expand to.
*/
Collection<Pair<Artifact, TreeArtifactValue>> getTreeArtifacts() {
return directoryInputs;
}
/** Returns the data of the artifact for this value, as computed by the action cache checker. */
FileArtifactValue getSelfData() {
return selfData;
}
@SuppressWarnings("EqualsGetClass") // RunfilesArtifactValue not equal to Aggregating.
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
AggregatingArtifactValue that = (AggregatingArtifactValue) o;
return selfData.equals(that.selfData)
&& fileInputs.equals(that.fileInputs)
&& directoryInputs.equals(that.directoryInputs);
}
@Override
public int hashCode() {
return 31 * 31 * directoryInputs.hashCode() + 31 * fileInputs.hashCode() + selfData.hashCode();
}
}