| // Copyright (C) 2017 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.index; |
| |
| /** Listener for online schema upgrade events. */ |
| public interface OnlineUpgradeListener { |
| /** |
| * Called before starting upgrading a single index. |
| * |
| * @param name index definition name. |
| * @param oldVersion old schema version. |
| * @param newVersion new schema version. |
| */ |
| void onStart(String name, int oldVersion, int newVersion); |
| |
| /** |
| * Called after successfully upgrading a single index. |
| * |
| * @param name index definition name. |
| * @param oldVersion old schema version. |
| * @param newVersion new schema version. |
| */ |
| void onSuccess(String name, int oldVersion, int newVersion); |
| |
| /** |
| * Called after failing to upgrade a single index. |
| * |
| * @param name index definition name. |
| * @param oldVersion old schema version. |
| * @param newVersion new schema version. |
| */ |
| void onFailure(String name, int oldVersion, int newVersion); |
| } |