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// 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);
}
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