/**
* 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;
import java.util.HashSet;
import java.util.Set;
import com.alibaba.rocketmq.client.exception.MQBrokerException;
import com.alibaba.rocketmq.common.MixAll;
import com.alibaba.rocketmq.common.protocol.body.ClusterInfo;
import com.alibaba.rocketmq.common.protocol.route.BrokerData;
import com.alibaba.rocketmq.remoting.exception.RemotingConnectException;
import com.alibaba.rocketmq.remoting.exception.RemotingSendRequestException;
import com.alibaba.rocketmq.remoting.exception.RemotingTimeoutException;
import com.alibaba.rocketmq.tools.admin.MQAdminExt;
/**
* 各个子命令的接口
*
* @author shijia.wxr<vintage.wang@gmail.com>
* @since 2013-7-25
*/
public class CommandUtil {
public static Set<String> fetchMasterAddrByClusterName(final MQAdminExt adminExt, final String clusterName)
throws InterruptedException, RemotingConnectException, RemotingTimeoutException,
RemotingSendRequestException, MQBrokerException {
Set<String> masterSet = new HashSet<String>();
ClusterInfo clusterInfoSerializeWrapper = adminExt.examineBrokerClusterInfo();
Set<String> brokerNameSet = clusterInfoSerializeWrapper.getClusterAddrTable().get(clusterName);
if (brokerNameSet != null) {
for (String brokerName : brokerNameSet) {
BrokerData brokerData = clusterInfoSerializeWrapper.getBrokerAddrTable().get(brokerName);
if (brokerData != null) {
String addr = brokerData.getBrokerAddrs().get(MixAll.MASTER_ID);
if (addr != null) {
masterSet.add(addr);
}
}
}
}
else {
System.out
.printf("[error] Make sure the specified clusterName exists or the nameserver which connected is correct.");
}
return masterSet;
}
}