| // Copyright (C) 2021 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.googlesource.gerrit.plugins.validation.dfsrefdb.zookeeper.migration; |
| |
| import static com.google.gerrit.server.schema.NoteDbSchemaVersions.LATEST; |
| |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.pgm.init.api.ConsoleUI; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| import org.apache.curator.framework.CuratorFramework; |
| |
| public class ZkMigrations { |
| private final ConsoleUI ui; |
| private final String pluginName; |
| |
| @Inject |
| public ZkMigrations(ConsoleUI ui, @PluginName String pluginName) { |
| this.ui = ui; |
| this.pluginName = pluginName; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void migrate(Injector injector, CuratorFramework curator, int currentVersion) |
| throws Exception { |
| if (currentVersion <= 0 || currentVersion >= LATEST) { |
| return; |
| } |
| |
| boolean headerDisplayed = false; |
| |
| for (int version = currentVersion + 1; version <= LATEST; version++) { |
| try { |
| Class<ZkMigration> migration = |
| (Class<ZkMigration>) Class.forName(ZkMigration.class.getName() + "_Schema_" + version); |
| |
| if (!headerDisplayed) { |
| ui.header("%s migration", pluginName); |
| headerDisplayed = true; |
| } |
| |
| ui.message("Migrating %s data to schema %d ... ", pluginName, version); |
| injector.getInstance(migration).run(curator); |
| ui.message("DONE\n"); |
| } catch (ClassNotFoundException e) { |
| // No migration found for the schema |
| } |
| } |
| |
| if (headerDisplayed) { |
| ui.message("\n%s migration completed successfully\n\n", pluginName); |
| } |
| } |
| } |