/**
* 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.topic;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import com.alibaba.rocketmq.srvutil.ServerUtil;
import com.alibaba.rocketmq.tools.admin.DefaultMQAdminExt;
import com.alibaba.rocketmq.tools.command.CommandUtil;
import com.alibaba.rocketmq.tools.command.SubCommand;
/**
* 删除Topic配置命令
*
* @author manhong.yqd<manhong.yqd@alibaba-inc.com>
* @since 2013-8-21
*/
public class DeleteTopicSubCommand implements SubCommand {
@Override
public String commandName() {
return "deleteTopic";
}
@Override
public String commandDesc() {
return "delete topic from broker and NameServer.";
}
@Override
public Options buildCommandlineOptions(Options options) {
Option opt = new Option("t", "topic", true, "topic name");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("c", "clusterName", true, "delete topic from which cluster");
opt.setRequired(true);
options.addOption(opt);
return options;
}
@Override
public void execute(CommandLine commandLine, Options options) {
DefaultMQAdminExt adminExt = new DefaultMQAdminExt();
adminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
try {
String topic = commandLine.getOptionValue('t').trim();
if (commandLine.hasOption('c')) {
String clusterName = commandLine.getOptionValue('c').trim();
adminExt.start();
// 删除 broker 上的 topic 信息
Set<String> masterSet = CommandUtil.fetchMasterAddrByClusterName(adminExt, clusterName);
adminExt.deleteTopicInBroker(masterSet, topic);
System.out.printf("delete topic [%s] from cluster [%s] success.\n", topic, clusterName);
// 删除 NameServer 上的 topic 信息
Set<String> nameServerSet = null;
if (commandLine.hasOption('n')) {
String[] ns = commandLine.getOptionValue('n').trim().split(";");
nameServerSet = new HashSet(Arrays.asList(ns));
}
adminExt.deleteTopicInNameServer(nameServerSet, topic);
System.out.printf("delete topic [%s] from NameServer success.\n", topic);
return;
}
ServerUtil.printCommandLineHelp("mqadmin " + this.commandName(), options);
}
catch (Exception e) {
e.printStackTrace();
}
finally {
adminExt.shutdown();
}
}
}