| // Copyright (C) 2022 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.query.change; | |
| import com.google.inject.ImplementedBy; | |
| /** | |
| * Algorithm for encoding a serverId/legacyChangeNum into a virtual numeric id | |
| * | |
| * <p>TODO: To be reverted on master and stable-3.8 | |
| */ | |
| @ImplementedBy(ChangeNumberBitmapMaskAlgorithm.class) | |
| public interface ChangeNumberVirtualIdAlgorithm { | |
| /** | |
| * Convert a serverId/legacyChangeNum tuple into a virtual numeric id | |
| * | |
| * @param serverId Gerrit serverId | |
| * @param legacyChangeNum legacy change number | |
| * @return virtual id which combines serverId and legacyChangeNum together | |
| */ | |
| int apply(String serverId, int legacyChangeNum); | |
| } |