com.google.gerrit.server.account.storage.notedb.AccountsNoteDbRepoReader Maven / Gradle / Ivy

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// Copyright (C) 2023 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.account.storage.notedb;

import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.RefNames;
import java.io.IOException;
import java.util.Objects;
import java.util.stream.Stream;
import org.eclipse.jgit.lib.Repository;

public class AccountsNoteDbRepoReader {
  public static boolean hasAnyAccount(Repository repo) throws IOException {
    return readAllIds(repo).findAny().isPresent();
  }

  public static Stream readAllIds(Repository repo) throws IOException {
    return repo.getRefDatabase().getRefsByPrefix(RefNames.REFS_USERS).stream()
        .map(r -> Account.Id.fromRef(r.getName()))
        .filter(Objects::nonNull);
  }

  private AccountsNoteDbRepoReader() {}
}