/**
* 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.Collections;
import java.util.LinkedList;
import java.util.List;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import com.alibaba.rocketmq.common.UtilAll;
import com.alibaba.rocketmq.common.admin.TopicOffset;
import com.alibaba.rocketmq.common.admin.TopicStatsTable;
import com.alibaba.rocketmq.common.message.MessageQueue;
import com.alibaba.rocketmq.remoting.RPCHook;
import com.alibaba.rocketmq.tools.admin.DefaultMQAdminExt;
import com.alibaba.rocketmq.tools.command.SubCommand;
/**
* 查看Topic统计信息，包括offset、最后更新时间
*
* @author shijia.wxr<vintage.wang@gmail.com>
* @since 2013-8-3
*/
public class TopicStatusSubCommand implements SubCommand {
@Override
public String commandName() {
return "topicStatus";
}
@Override
public String commandDesc() {
return "Examine topic Status info";
}
@Override
public Options buildCommandlineOptions(Options options) {
Option opt = new Option("t", "topic", true, "topic name");
opt.setRequired(true);
options.addOption(opt);
return options;
}
@Override
public void execute(final CommandLine commandLine, final Options options, RPCHook rpcHook) {
DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
try {
defaultMQAdminExt.start();
String topic = commandLine.getOptionValue('t').trim();
TopicStatsTable topicStatsTable = defaultMQAdminExt.examineTopicStats(topic);
List<MessageQueue> mqList = new LinkedList<MessageQueue>();
mqList.addAll(topicStatsTable.getOffsetTable().keySet());
Collections.sort(mqList);
System.out.printf("%-32s %-4s %-20s %-20s %s\n",//
"#Broker Name",//
"#QID",//
"#Min Offset",//
"#Max Offset",//
"#Last Updated" //
);
for (MessageQueue mq : mqList) {
TopicOffset topicOffset = topicStatsTable.getOffsetTable().get(mq);
String humanTimestamp = "";
if (topicOffset.getLastUpdateTimestamp() > 0) {
humanTimestamp = UtilAll.timeMillisToHumanString2(topicOffset.getLastUpdateTimestamp());
}
System.out.printf("%-32s %-4d %-20d %-20d %s\n",//
UtilAll.frontStringAtLeast(mq.getBrokerName(), 32),//
mq.getQueueId(),//
topicOffset.getMinOffset(),//
topicOffset.getMaxOffset(),//
humanTimestamp //
);
}
}
catch (Exception e) {
e.printStackTrace();
}
finally {
defaultMQAdminExt.shutdown();
}
}
}