package org.apache.activemq.recipes;
import java.util.concurrent.TimeUnit;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnectionFactory;
public class SelectiveTickerConsumer {
private final String connectionUri = "tcp://localhost:61616";
private ActiveMQConnectionFactory connectionFactory;
private Connection connection;
private Session session;
private Destination destination;
private String selector;
public void before() throws Exception {
connectionFactory = new ActiveMQConnectionFactory(connectionUri);
connection = connectionFactory.createConnection();
connection.start();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
destination = session.createTopic("EVENTS.QUOTES");
selector = System.getProperty("QuoteSel", "symbol = 'GOOG'");
}
public void after() throws Exception {
if (connection != null) {
connection.close();
}
}
public void run() throws Exception {
System.out.println(" Running example with selector: " + selector);
MessageConsumer consumer = session.createConsumer(destination, selector);
consumer.setMessageListener(new EventListener());
TimeUnit.MINUTES.sleep(5);
connection.stop();
consumer.close();
}
public static void main(String[] args) {
SelectiveTickerConsumer producer = new SelectiveTickerConsumer();
System.out.print("\n\n\n");
System.out.println("Starting example Selective Stock Ticker Consumer now...");
try {
producer.before();
producer.run();
producer.after();
} catch (Exception e) {
System.out.println("Caught an exception during the example: " + e.getMessage());
}
System.out.println("Finished running the sample Selective Stock Ticker Consumer app.");
System.out.print("\n\n\n");
}
}