4.6.3. 修改应用程序代码以使用系统属性替代

@MessageDriven(name = "HelloWorldQueueMDB", activationConfig = {
    @ActivationConfigProperty(propertyName = "destinationLookup", propertyValue = "${property.helloworldmdb.queue}"),
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
    @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge") })

@MessageDriven(name = "HelloWorldQueueMDB", activationConfig = {
    @ActivationConfigProperty(propertyName = "destinationLookup", propertyValue = "${property.helloworldmdb.queue}"),
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
    @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge") })

@MessageDriven(name = "HelloWorldQTopicMDB", activationConfig = {
    @ActivationConfigProperty(propertyName = "destinationLookup", propertyValue = "${property.helloworldmdb.topic}"),
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
    @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge") })

@MessageDriven(name = "HelloWorldQTopicMDB", activationConfig = {
    @ActivationConfigProperty(propertyName = "destinationLookup", propertyValue = "${property.helloworldmdb.topic}"),
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
    @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge") })

/**
 * Definition of the two Jakarta Messaging Service destinations used by the quickstart
 * (one queue and one topic).
 */
 @JMSDestinationDefinitions(
     value = {
         @JMSDestinationDefinition(
             name = "java:/${property.helloworldmdb.queue}",
             interfaceName = "javax.jms.Queue",
             destinationName = "HelloWorldMDBQueue"
         ),
         @JMSDestinationDefinition(
             name = "java:/${property.helloworldmdb.topic}",
             interfaceName = "javax.jms.Topic",
             destinationName = "HelloWorldMDBTopic"
         )
     })
/**
 * <p>
 * A simple servlet 3 as client that sends several messages to a queue or a topic.
 * </p>
 *
 * <p>
 * The servlet is registered and mapped to /HelloWorldMDBServletClient using the {@linkplain WebServlet
 * @HttpServlet}.
 * </p>
 *
 * @author Serge Pagop (spagop@redhat.com)
 *
 */
@WebServlet("/HelloWorldMDBServletClient")
public class HelloWorldMDBServletClient extends HttpServlet {

    private static final long serialVersionUID = -8314035702649252239L;

    private static final int MSG_COUNT = 5;

    @Inject
    private JMSContext context;

    @Resource(lookup = "${property.helloworldmdb.queue}")
    private Queue queue;

    @Resource(lookup = "${property.helloworldmdb.topic}")
    private Topic topic;

  <!-- Remainder of code can be found in the `helloworld-mdb-propertysubstitution` quickstart. -->

/**
 * Definition of the two Jakarta Messaging Service destinations used by the quickstart
 * (one queue and one topic).
 */
 @JMSDestinationDefinitions(
     value = {
         @JMSDestinationDefinition(
             name = "java:/${property.helloworldmdb.queue}",
             interfaceName = "javax.jms.Queue",
             destinationName = "HelloWorldMDBQueue"
         ),
         @JMSDestinationDefinition(
             name = "java:/${property.helloworldmdb.topic}",
             interfaceName = "javax.jms.Topic",
             destinationName = "HelloWorldMDBTopic"
         )
     })
/**
 * <p>
 * A simple servlet 3 as client that sends several messages to a queue or a topic.
 * </p>
 *
 * <p>
 * The servlet is registered and mapped to /HelloWorldMDBServletClient using the {@linkplain WebServlet
 * @HttpServlet}.
 * </p>
 *
 * @author Serge Pagop (spagop@redhat.com)
 *
 */
@WebServlet("/HelloWorldMDBServletClient")
public class HelloWorldMDBServletClient extends HttpServlet {

    private static final long serialVersionUID = -8314035702649252239L;

    private static final int MSG_COUNT = 5;

    @Inject
    private JMSContext context;

    @Resource(lookup = "${property.helloworldmdb.queue}")
    private Queue queue;

    @Resource(lookup = "${property.helloworldmdb.topic}")
    private Topic topic;

  <!-- Remainder of code can be found in the `helloworld-mdb-propertysubstitution` quickstart. -->

<?xml version="1.0" encoding="UTF-8"?>
<messaging-deployment xmlns="urn:jboss:messaging-activemq-deployment:1.0">
    <server>
         <jms-destinations>
            <jms-queue name="HELLOWORLDMDBQueue">
                <entry name="${property.helloworldmdb.queue}"/>
            </jms-queue>
            <jms-topic name="HELLOWORLDMDBTopic">
                <entry name="${property.helloworldmdb.topic}"/>
            </jms-topic>
        </jms-destinations>
    </server>
</messaging-deployment>

<?xml version="1.0" encoding="UTF-8"?>
<messaging-deployment xmlns="urn:jboss:messaging-activemq-deployment:1.0">
    <server>
         <jms-destinations>
            <jms-queue name="HELLOWORLDMDBQueue">
                <entry name="${property.helloworldmdb.queue}"/>
            </jms-queue>
            <jms-topic name="HELLOWORLDMDBTopic">
                <entry name="${property.helloworldmdb.topic}"/>
            </jms-topic>
        </jms-destinations>
    </server>
</messaging-deployment>