com.google.gerrit.server.change.IncludedInUtil Maven / Gradle / Ivy
// Copyright (C) 2021 The Android Open Source Project
//
// 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.gerrit.server.change;
import static java.util.Comparator.comparing;
import static java.util.stream.Collectors.toList;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revwalk.RevWalk;
public class IncludedInUtil {
/**
* Sorts the collection of {@code Ref} instances by its tip commit time.
*
* @param refs collection to be sorted
* @param revWalk {@code RevWalk} instance for parsing ref's tip commit
* @return sorted list of refs
*/
public static List getSortedRefs(Collection refs, RevWalk revWalk) {
return refs.stream()
.sorted(
comparing(
ref -> {
try {
return revWalk.parseCommit(ref.getObjectId()).getCommitTime();
} catch (IOException e) {
// Ignore and continue to sort
}
return 0;
}))
.collect(toList());
}
}