| /** |
| * 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 { |
| |
| 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> connectorName to stop", |
| " --queueName <queueName> check the queuesize of the queueName for pending message", |
| " --timeout <timeout> periodically check the queuesize before the timeout expires", |
| " --pollInterval <pollInterval> the time interval it checks the queuesize", |
| " --jmxurl <url> Set the JMX URL to connect to.", |
| " --jmxuser <user> Set the JMX user used for authenticating.", |
| " --jmxpassword <password> 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<String> 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); |
| } |
| } |
| |
| } |