| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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.cloud.upgrade.dao; |
| |
| import java.io.InputStream; |
| import java.sql.Connection; |
| |
| public interface DbUpgrade { |
| String[] getUpgradableVersionRange(); |
| |
| String getUpgradedVersion(); |
| |
| boolean supportsRollingUpgrade(); |
| |
| /** |
| * @return the script to prepare the database schema for the |
| * data migration step. |
| */ |
| InputStream[] getPrepareScripts(); |
| |
| /** |
| * Performs the actual data migration. |
| */ |
| void performDataMigration(Connection conn); |
| |
| InputStream[] getCleanupScripts(); |
| } |