| /* |
| * 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 org.apache.samza.storage; |
| |
| import joptsimple.ArgumentAcceptingOptionSpec; |
| import joptsimple.OptionSet; |
| import org.apache.samza.config.Config; |
| import org.apache.samza.util.CommandLine; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Commandline tool to recover the state storage to a specified directory |
| */ |
| public class StateStorageTool extends CommandLine { |
| private ArgumentAcceptingOptionSpec<String> newPathArgu = parser().accepts("path", "path of the new state storage").withRequiredArg().ofType(String.class).describedAs("path"); |
| private String newPath = ""; |
| private Logger log = LoggerFactory.getLogger(StateStorageTool.class); |
| |
| @Override |
| public Config loadConfig(OptionSet options) { |
| Config config = super.loadConfig(options); |
| if (options.has(newPathArgu)) { |
| newPath = options.valueOf(newPathArgu); |
| log.info("new state storage is " + newPath); |
| } |
| return config; |
| } |
| |
| public String getPath() { |
| return newPath; |
| } |
| |
| public static void main(String[] args) { |
| StateStorageTool tool = new StateStorageTool(); |
| OptionSet options = tool.parser().parse(args); |
| Config config = tool.loadConfig(options); |
| String path = tool.getPath(); |
| |
| StorageRecovery storageRecovery = new StorageRecovery(config, path); |
| storageRecovery.run(); |
| } |
| } |