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// 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.gerrit.entities.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
*/
Change.Id apply(String serverId, Change.Id legacyChangeNum);
}