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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;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.cmdline.RepositoryName;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.vfs.RootedPath;
import java.util.Objects;
/**
* A RecursivePkgKey is a tuple of a {@link RootedPath}, {@code rootedPath}, defining the directory
* to recurse beneath in search of packages, and an {@link ImmutableSet} of {@link PathFragment}s,
* {@code excludedPaths}, relative to {@code rootedPath.getRoot}, defining the set of subdirectories
* strictly beneath {@code rootedPath} to skip.
*
* <p>Throws {@link IllegalArgumentException} if {@code excludedPaths} contains any paths that are
* equal to {@code rootedPath} or that are not beneath {@code rootedPath}.
*/
@ThreadSafe
@AutoCodec
public class RecursivePkgKey {
private final RepositoryName repositoryName;
private final RootedPath rootedPath;
private final ImmutableSet<PathFragment> excludedPaths;
public RecursivePkgKey(
RepositoryName repositoryName,
RootedPath rootedPath,
ImmutableSet<PathFragment> excludedPaths) {
PathFragment.checkAllPathsAreUnder(excludedPaths, rootedPath.getRootRelativePath());
Preconditions.checkState(!repositoryName.isDefault());
this.repositoryName = repositoryName;
this.rootedPath = Preconditions.checkNotNull(rootedPath);
this.excludedPaths = Preconditions.checkNotNull(excludedPaths);
}
public RepositoryName getRepository() {
return repositoryName;
}
public RootedPath getRootedPath() {
return rootedPath;
}
public ImmutableSet<PathFragment> getExcludedPaths() {
return excludedPaths;
}
@Override
public String toString() {
return "rootedPath=" + rootedPath + ", excludedPaths=<omitted>";
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof RecursivePkgKey)) {
return false;
}
RecursivePkgKey that = (RecursivePkgKey) o;
return excludedPaths.equals(that.excludedPaths)
&& rootedPath.equals(that.rootedPath)
&& repositoryName.equals(that.repositoryName);
}
@Override
public int hashCode() {
return Objects.hash(rootedPath, excludedPaths, repositoryName);
}
}
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