| // Copyright (C) 2016 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.externalids; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSetMultimap; |
| import com.google.gerrit.entities.Account; |
| import java.io.IOException; |
| import java.util.Optional; |
| |
| /** |
| * Caches external IDs of all accounts. Note that the granularity is "revision" only, so each update |
| * will cache a new value containing <b>all</b> external IDs. |
| * |
| * <p>On each cache access the SHA1 of the refs/meta/external-ids branch is read to verify that the |
| * cache is up to date. |
| * |
| * <p>All returned collections are unmodifiable. |
| */ |
| public interface ExternalIdCache { |
| Optional<ExternalId> byKey(ExternalId.Key key) throws IOException; |
| |
| ImmutableSet<ExternalId> byAccount(Account.Id accountId) throws IOException; |
| |
| ImmutableSetMultimap<Account.Id, ExternalId> allByAccount() throws IOException; |
| |
| ImmutableSetMultimap<String, ExternalId> byEmails(String... emails) throws IOException; |
| |
| ImmutableSetMultimap<String, ExternalId> allByEmail() throws IOException; |
| |
| default ImmutableSet<ExternalId> byEmail(String email) throws IOException { |
| return byEmails(email).get(email); |
| } |
| } |