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/**
* 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.activemq.console.command;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import javax.management.MBeanServerConnection;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import org.apache.activemq.console.util.JmxMBeansUtil;
public class ShutdownCommand extends AbstractJmxCommand {
protected String[] helpFile = new String[] {
"Task Usage: Main stop [stop-options] [broker-name1] [broker-name2] ...",
"Description: Stops a running broker.",
"",
"Stop Options:",
" --jmxurl Set the JMX URL to connect to.",
" --pid Set the pid to connect to (only on Sun JVM).",
" --jmxuser Set the JMX user used for authenticating.",
" --jmxpassword Set the JMX password used for authenticating.",
" --jmxlocal Use the local JMX server instead of a remote one.",
" --all Stop all brokers.",
" --version Display the version information.",
" -h,-?,--help Display the stop broker help information.",
"",
"Broker Names:",
" Name of the brokers that will be stopped.",
" If omitted, it is assumed that there is only one broker running, and it will be stopped.",
" Use -all to stop all running brokers.",
""
};
private boolean isStopAllBrokers;
@Override
public String getName() {
return "stop";
}
@Override
public String getOneLineDescription() {
return "Stops a running broker specified by the broker name.";
}
/**
* Shuts down the specified broker or brokers
*
* @param brokerNames - names of brokers to shutdown
* @throws Exception
*/
protected void runTask(List brokerNames) throws Exception {
Collection mbeans;
// Stop all brokers
if (isStopAllBrokers) {
mbeans = JmxMBeansUtil.getAllBrokers(createJmxConnection());
brokerNames.clear();
} else if (brokerNames.isEmpty()) {
// Stop the default broker
mbeans = JmxMBeansUtil.getAllBrokers(createJmxConnection());
// If there is no broker to stop
if (mbeans.isEmpty()) {
context.printInfo("There are no brokers to stop.");
return;
// There should only be one broker to stop
} else if (mbeans.size() > 1) {
context.printInfo("There are multiple brokers to stop. Please select the broker(s) to stop or use --all to stop all brokers.");
return;
// Get the first broker only
} else {
Object firstBroker = mbeans.iterator().next();
mbeans.clear();
mbeans.add(firstBroker);
}
} else {
// Stop each specified broker
String brokerName;
mbeans = new HashSet();
while (!brokerNames.isEmpty()) {
brokerName = (String) brokerNames.remove(0);
Collection matchedBrokers = JmxMBeansUtil.getBrokersByName(createJmxConnection(), brokerName);
if (matchedBrokers.isEmpty()) {
context.printInfo(brokerName + " did not match any running brokers.");
} else {
mbeans.addAll(matchedBrokers);
}
}
}
// Stop all brokers in set
stopBrokers(createJmxConnection(), mbeans);
}
/**
* Stops the list of brokers.
*
* @param jmxConnection - connection to the mbean server
* @param brokerBeans - broker mbeans to stop @throws Exception
*/
protected void stopBrokers(MBeanServerConnection jmxConnection, Collection brokerBeans) throws Exception {
ObjectName brokerObjName;
for (Iterator i = brokerBeans.iterator(); i.hasNext();) {
brokerObjName = ((ObjectInstance)i.next()).getObjectName();
String brokerName = brokerObjName.getKeyProperty("brokerName");
context.print("Stopping broker: " + brokerName);
try {
jmxConnection.invoke(brokerObjName, "terminateJVM", new Object[] {
Integer.valueOf(0)
}, new String[] {
"int"
});
context.print("Succesfully stopped broker: " + brokerName);
} catch (Exception e) {
// TODO: Check exceptions throwned
// System.out.println("Failed to stop broker: [ " + brokerName +
// " ]. Reason: " + e.getMessage());
}
}
closeJmxConnection();
}
/**
* Handle the --all option.
*
* @param token - option token to handle
* @param tokens - succeeding command arguments
* @throws Exception
*/
protected void handleOption(String token, List tokens) throws Exception {
// Try to handle the options first
if (token.equals("--all")) {
isStopAllBrokers = true;
} else {
// Let the super class handle the option
super.handleOption(token, tokens);
}
}
/**
* Print the help messages for the browse command
*/
protected void printHelp() {
context.printHelp(helpFile);
}
}
