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package com.sun.messaging.jmq.jmsserver;
import java.util.Iterator;
import java.util.List;
import com.sun.messaging.jmq.jmsserver.service.Service;
import com.sun.messaging.jmq.jmsserver.service.ServiceManager;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQDirectService;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQService;
import com.sun.messaging.jmq.jmsservice.JMSRABroker;
import com.sun.messaging.jmq.jmsservice.JMSService;
/**
* Wrapper used to start the broker. It wraps a singleton class
* (only one broker can be running in any process).<P>
*
* <u>Example</u><P>
* <code><PRE>
* BrokerProcess bp = BrokerProcess.getBrokerProcess();
* try {
*
* Properties ht = BrokerProcess.convertArgs(args);
* int exitcode = bp.start(true, ht, null);
* System.out.println("Broker exited with " + exitcode);
*
* } catch (IllegalArgumentException ex) {
* System.err.println("Bad Argument " + ex.getMessage());
* System.out.println(BrokerProcess.usage());
* }
* </PRE></code>
*/
public class JMSRA_BrokerProcess extends BrokerProcess implements JMSRABroker
{
private static final String DEFAULT_DIRECTMODE_SERVICE_NAME = "jmsdirect";
public JMSRA_BrokerProcess() {
super();
}
/**
* Return the default JMS Service that supports 'DIRECT' in-JVM Java EE JMS
* clients.
*
* @throws IllegalStateException if the broker is already stopped
*
*/
public JMSService getJMSService()
throws IllegalStateException {
ServiceManager sm = Globals.getServiceManager();
JMSService jmsService = getJMSService(DEFAULT_DIRECTMODE_SERVICE_NAME);
if (jmsService != null) {
return (jmsService);
}
/*
* If "jmsdirect" is not available, loop through all services
*/
List serviceNames = sm.getAllServiceNames();
Iterator iter = serviceNames.iterator();
while (iter.hasNext()) {
jmsService = getJMSService((String)iter.next());
if (jmsService != null) {
return (jmsService);
}
}
return (null);
}
/**
* Return the named JMS Service that supports 'DIRECT' in-JVM Java EEJMS
* clients.
*
* @param serviceName The name of the service to return
*
* @throws IllegalStateException if the broker is already stopped
*/
public JMSService getJMSService(String serviceName)
throws IllegalStateException {
ServiceManager sm = Globals.getServiceManager();
Service svc;
IMQService imqSvc;
IMQDirectService imqDirectSvc;
if (sm == null) {
return (null);
}
svc = sm.getService(serviceName);
if (svc == null) {
return (null);
}
if (!(svc instanceof IMQService)) {
return (null);
}
imqSvc = (IMQService)svc;
if (!imqSvc.isDirect()) {
return (null);
}
if (!(imqSvc instanceof IMQDirectService)) {
return (null);
}
imqDirectSvc = (IMQDirectService)imqSvc;
return ((JMSService)imqDirectSvc);
}
}