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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.Iterator;
import java.util.List;
import javax.management.MBeanServerConnection;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
/**
* A StopGracefullyCommand
*
*/
public class StopGracefullyCommand extends ShutdownCommand {
@Override
public String getName() {
return "stop-gracefully";
}
@Override
public String getOneLineDescription() {
return "Stops a running broker gracefully.";
}
protected String connectorName, queueName;
protected long timeout;
protected long pollInterval;
/**
* Constructor
*/
public StopGracefullyCommand(){
super();
this.helpFile = new String[] {
"Task Usage: Main stopGracefully [stop-options] [broker-name1] [broker-name2] ...",
"Description: Stops a running broker if there is no pending messages in the queues. It first stops the connector for client connection, then check queuesize until it becomes 0 before stop the broker.",
"",
"Stop Options:",
" --connectorName connectorName to stop",
" --queueName check the queuesize of the queueName for pending message",
" --timeout periodically check the queuesize before the timeout expires",
" --pollInterval the time interval it checks the queuesize",
" --jmxurl Set the JMX URL to connect to.",
" --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.",
" --localProcessId Use the local process id to connect( ignore jmxurl, jmxuser, jmxpassword), need to be root to use this option",
" --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.",
""
};
}
/**
* 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, "stopGracefully", new Object[] {
connectorName, queueName, timeout, pollInterval
}, new String[] {
"java.lang.String", "java.lang.String", "long", "long"
});
context.print("Succesfully stopped broker: " + brokerName);
} catch (Exception e) {
if(!(e.getMessage().startsWith("Error unmarshaling return header"))){
context.print("Exception:"+e.getMessage());
}
}
}
closeJmxConnection();
}
/**
* @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("--connectorName")) {
if (tokens.isEmpty() || ((String)tokens.get(0)).startsWith("-")) {
context.printException(new IllegalArgumentException("connectorName not specified"));
return;
}
connectorName=(String)tokens.remove(0);
} else if (token.equals("--timeout")) {
if (tokens.isEmpty() || ((String)tokens.get(0)).startsWith("-")) {
context.printException(new IllegalArgumentException("timeout not specified"));
return;
}
timeout=Long.parseLong(tokens.remove(0));
} else if (token.equals("--pollInterval")) {
if (tokens.isEmpty() || ((String)tokens.get(0)).startsWith("-")) {
context.printException(new IllegalArgumentException("pollInterval not specified"));
return;
}
pollInterval=Long.parseLong(tokens.remove(0));
}else if(token.equals("--queueName")) {
if (tokens.isEmpty() || ((String)tokens.get(0)).startsWith("-")) {
context.printException(new IllegalArgumentException("queueName not specified"));
return;
}
queueName=(String)tokens.remove(0);
}else {
// Let the super class handle the option
super.handleOption(token, tokens);
}
}
}
