EventPublishingServiceImpl.java

public class EventPublishingServiceImpl
    implements EventPublishingService, Configurable, Startable, Stoppable,
               ServiceRegistryAwareService {

    private ServiceRegistryImplementor serviceRegistry;

    private String jmsConnectionFactoryName;

    private String destinationName;

    private Connection jmsConnection;

    private Session jmsSession;

    private MessageProducer publisher;

    @Override
    public void injectServices(ServiceRegistryImplementor serviceRegistry) {
        this.serviceRegistry = serviceRegistry;
    }

    public void configure(Map configurationValues) {
        this.jmsConnectionFactoryName = configurationValues
            .get( JMS_CONNECTION_FACTORY_NAME_SETTING );
        this.destinationName = configurationValues
            .get( JMS_DESTINATION_NAME_SETTING );
    }

    @Override
    public void start() {
        final JndiService jndiService = serviceRegistry
            .getService( JndiService.class );
        final ConnectionFactory jmsConnectionFactory = jndiService
            .locate( jmsConnectionFactoryName );

        this.jmsConnection = jmsConnectionFactory.createConnection();
        this.jmsSession = jmsConnection.createSession(
            true,
            Session.AUTO_ACKNOWLEDGE
        );

        final Destination destination = jndiService.locate( destinationName );

        this.publisher = jmsSession.createProducer( destination );
    }

    @Override
    public void publish(Event theEvent) {
        publisher.send( theEvent );
    }

    @Override
    public void stop() {
        publisher.close();
        jmsSession.close();
        jmsConnection.close();
    }
}