import com.solacesystems.jcsmp.BytesXMLMessage;
import com.solacesystems.jcsmp.JCSMPException;
import com.solacesystems.jcsmp.JCSMPFactory;
import com.solacesystems.jcsmp.JCSMPProperties;
import com.solacesystems.jcsmp.JCSMPRequestTimeoutException;
import com.solacesystems.jcsmp.JCSMPSession;
import com.solacesystems.jcsmp.JCSMPStreamingPublishEventHandler;
import com.solacesystems.jcsmp.Requestor;
import com.solacesystems.jcsmp.TextMessage;
import com.solacesystems.jcsmp.Topic;
import com.solacesystems.jcsmp.XMLMessageConsumer;
import com.solacesystems.jcsmp.XMLMessageListener;
import com.solacesystems.jcsmp.XMLMessageProducer;
public class REquestor {
public static void main(String... args) throws JCSMPException {
// Check command line arguments
String host="tcp://52.76.233.76:55555";
String username="ccs_jcsmp_user_ccs3";
String pwd="password";
String vpn="default";
System.out.println("BasicRequestor initializing...");
// Create a JCSMP Session
final JCSMPProperties properties = new JCSMPProperties();
properties.setProperty(JCSMPProperties.HOST, host); // host:port
properties.setProperty(JCSMPProperties.USERNAME, username); // client-username
properties.setProperty(JCSMPProperties.PASSWORD, pwd); // client-password
properties.setProperty(JCSMPProperties.VPN_NAME, vpn); // message-vpn
final JCSMPSession session = JCSMPFactory.onlyInstance().createSession(properties);
session.connect();
//This will have the session create the producer and consumer required
//by the Requestor used below.
/** Anonymous inner-class for handling publishing events */
@SuppressWarnings("unused")
XMLMessageProducer producer = session.getMessageProducer(new JCSMPStreamingPublishEventHandler() {
public void responseReceived(String messageID) {
System.out.println("Producer received response for msg: " + messageID);
}
public void handleError(String messageID, JCSMPException e, long timestamp) {
System.out.printf("Producer received error for msg: %s@%s - %s%n",
messageID,timestamp,e);
}
});
XMLMessageConsumer consumer = session.getMessageConsumer((XMLMessageListener)null);
// final XMLMessageConsumer consumer = session.getMessageConsumer(new XMLMessageListener() {
//
// public void onReceive(BytesXMLMessage reply) {
//
// System.out.printf("TextMessage reply received: '%s'%n",((TextMessage)reply).getText());
//
// }
//
// public void onException(JCSMPException e) {
// System.out.printf("Consumer received exception: %s%n", e);
// }
// });
// consumer.
consumer.start();
final Topic topic = JCSMPFactory.onlyInstance().createTopic("topicAnkit");
//Time to wait for a reply before timing out
final int timeoutMs = 100000;
TextMessage request = JCSMPFactory.onlyInstance().createMessage(TextMessage.class);
final String text = "Sample Request from Java!";
request.setText(text);
try {
Requestor requestor = session.createRequestor();
System.out.printf("Connected. About to send request message '%s' to topic '%s'...%n",text,topic.getName());
BytesXMLMessage reply = requestor.request(request, timeoutMs, topic);
// Process the reply
if (reply instanceof TextMessage) {
System.out.printf("TextMessage response received: '%s'%n",
((TextMessage)reply).getText());
}
System.out.printf("Response Message Dump:%n%s%n",reply.dump());
} catch (JCSMPRequestTimeoutException e) {
System.out.println("Failed to receive a reply in " + timeoutMs + " msecs");
}
System.out.println("Exiting...");
session.closeSession();
}
}
所以我的要求是我要向“TopicAnkit”发送消息并在某个主题/队列“topicResponse”中监听响应。如何做到这一点?我在我的 C++ 回复器中看到我收到了请求并将回复发送到该程序,但是这个 Java 请求者没有收听任何主题。我看到在 sendTo 字段中向请求者创建了一个临时主题,并且发送成功,但请求者没有得到响应。请指教 1. 如何从这个临时主题中获取 Java 请求者的响应 2. 如何指定一个监听主题,以便 C++ 可以发送对该主题的响应。
感谢 Ankit