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JMSRA_BrokerProcess.java
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JMSRA_BrokerProcess.java
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/*
* Copyright (c) 2000, 2017 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021, 2022 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
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";
/**
* Return the default JMS Service that supports 'DIRECT' in-JVM Java EE JMS clients.
*
* @throws IllegalStateException if the broker is already stopped
*
*/
@Override
public JMSService getJMSService() {
JMSService jmsService = getJMSService(DEFAULT_DIRECTMODE_SERVICE_NAME);
if (jmsService != null) {
return (jmsService);
}
/*
* If "jmsdirect" is not available, loop through all services
*/
List serviceNames = ServiceManager.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
*/
@Override
public JMSService getJMSService(String serviceName) {
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 imqDirectSvc.getJMSService();
}
}