Java tutorial
/** * Copyright (C) 2010-2013 Alibaba Group Holding Limited * * 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.alibaba.rocketmq.tools.command.namesrv; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import com.alibaba.rocketmq.remoting.RPCHook; import com.alibaba.rocketmq.tools.admin.DefaultMQAdminExt; import com.alibaba.rocketmq.tools.command.SubCommand; /** * KV ?? * * @author: manhong.yqd<jodie.yqd@gmail.com> * @since: 13-8-29 */ public class DeleteKvConfigCommand implements SubCommand { @Override public String commandName() { return "deleteKvConfig"; } @Override public String commandDesc() { return "Delete KV config."; } @Override public Options buildCommandlineOptions(Options options) { Option opt = new Option("s", "namespace", true, "set the namespace"); opt.setRequired(true); options.addOption(opt); opt = new Option("k", "key", true, "set the key name"); opt.setRequired(true); options.addOption(opt); return options; } @Override public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) { DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook); defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis())); try { // namespace String namespace = commandLine.getOptionValue('s').trim(); // key name String key = commandLine.getOptionValue('k').trim(); defaultMQAdminExt.start(); defaultMQAdminExt.deleteKvConfig(namespace, key); System.out.printf("delete kv config from namespace success.\n"); return; } catch (Exception e) { e.printStackTrace(); } finally { defaultMQAdminExt.shutdown(); } } }