public void start() {
try {
conn.start();
} catch (JMSException e) {
e.printStackTrace();
}
}
public QLender(String queuecf, String requestQueue) {
try {
// Connect to the provider and get the JMS connection
Context ctx = new InitialContext();
QueueConnectionFactory qFactory = (QueueConnectionFactory) ctx.lookup(queuecf);
qConnect = qFactory.createQueueConnection();
// Create the JMS Session
qSession = qConnect.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
// Lookup the request queue
requestQ = (Queue) ctx.lookup(requestQueue);
// Now that setup is complete, start the Connection
qConnect.start();
// Create the message listener
QueueReceiver qReceiver = qSession.createReceiver(requestQ);
qReceiver.setMessageListener(this);
System.out.println("Waiting for loan requests...");
} catch (JMSException jmse) {
jmse.printStackTrace();
System.exit(1);
} catch (NamingException jne) {
jne.printStackTrace();
System.exit(1);
}
}
public void onMessage(Message inMessage) {
TextMessage msg = null;
try {
if (inMessage instanceof TextMessage) {
msg = (TextMessage) inMessage;
System.out.println("MESSAGE BEAN: Message received: " + msg.getText());
long sleepTime = msg.getLongProperty("sleeptime");
System.out.println("Sleeping for : " + sleepTime + " milli seconds ");
Thread.sleep(sleepTime);
queueConnection = queueConnectionFactory.createQueueConnection();
queueSession = queueConnection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
queueSender = queueSession.createSender(queue);
TextMessage message = queueSession.createTextMessage();
message.setText("REPLIED:" + msg.getText());
message.setIntProperty("replyid", msg.getIntProperty("id"));
System.out.println("Sending message: " + message.getText());
queueSender.send(message);
} else {
System.out.println("Message of wrong type: " + inMessage.getClass().getName());
}
} catch (JMSException e) {
e.printStackTrace();
} catch (Throwable te) {
te.printStackTrace();
} finally {
try {
queueSession.close();
queueConnection.close();
} catch (Exception e) {
}
}
} // onMessage
@Override
public void onMessage(Message message) {
if (!(message instanceof ObjectMessage)) {
return;
}
try {
Object objectInMessage = ((ObjectMessage) message).getObject();
if (!(objectInMessage instanceof LectureWrapperDTO)) {
return;
}
final String messageAction = message.getStringProperty("action");
if (messageAction == null) {
return;
}
LectureWrapperDTO lectureWrapperDTO = (LectureWrapperDTO) objectInMessage;
if (messageAction.equals(ISchedulerListener.InfoType.CREATED.toString())) {
schedulerListener.notify(ISchedulerListener.InfoType.CREATED, lectureWrapperDTO);
} else if (messageAction.equals(ISchedulerListener.InfoType.INFO.toString())) {
schedulerListener.notify(ISchedulerListener.InfoType.INFO, lectureWrapperDTO);
} else if (messageAction.equals(ISchedulerListener.InfoType.DENIED.toString())) {
schedulerListener.notify(ISchedulerListener.InfoType.DENIED, lectureWrapperDTO);
} else if (messageAction.equals(ISchedulerListener.InfoType.STREAMED.toString())) {
schedulerListener.notify(ISchedulerListener.InfoType.STREAMED, lectureWrapperDTO);
}
} catch (JMSException e) {
e.printStackTrace();
}
}
public DigitalLibraryServer() {
try {
Properties properties = new Properties();
properties.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
properties.put(Context.URL_PKG_PREFIXES, "org.jnp.interfaces");
properties.put(Context.PROVIDER_URL, "localhost");
InitialContext jndi = new InitialContext(properties);
ConnectionFactory conFactory = (ConnectionFactory) jndi.lookup("XAConnectionFactory");
connection = conFactory.createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
try {
counterTopic = (Topic) jndi.lookup("counterTopic");
} catch (NamingException NE1) {
System.out.println("NamingException: " + NE1 + " : Continuing anyway...");
}
if (null == counterTopic) {
counterTopic = session.createTopic("counterTopic");
jndi.bind("counterTopic", counterTopic);
}
consumer = session.createConsumer(counterTopic);
consumer.setMessageListener(this);
System.out.println("Server started waiting for client requests");
connection.start();
} catch (NamingException NE) {
System.out.println("Naming Exception: " + NE);
} catch (JMSException JMSE) {
System.out.println("JMS Exception: " + JMSE);
JMSE.printStackTrace();
}
}
private void consume() {
try {
consumer = session.createConsumer(queue);
message = consumer.receive();
} catch (JMSException e) {
e.printStackTrace();
}
}
private void exit() {
try {
qConnect.close();
} catch (JMSException jmse) {
jmse.printStackTrace();
}
System.exit(0);
}
@Override
public void onMessage(Message message) {
TextMessage textMessage = (TextMessage) message;
try {
System.out.println("Tratador recebendo mensagem: " + textMessage.getText());
} catch (JMSException e) {
e.printStackTrace();
}
}
@Override
public void stop() {
try {
messageConsumer.close();
connection.stop();
} catch (JMSException e) {
e.printStackTrace();
}
}
public void close() {
try {
if (con != null) {
con.close();
}
} catch (JMSException x) {
x.printStackTrace();
}
}
public void init() {
factory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_BROKER_URL);
try {
connection = factory.createConnection();
connection.start();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
queue = session.createQueue(queueName);
} catch (JMSException e) {
e.printStackTrace();
}
}
public void stop() {
try {
session.close();
} catch (JMSException e) {
e.printStackTrace();
}
try {
conn.close();
} catch (JMSException e) {
e.printStackTrace();
}
}
public void onMessage(Message message) {
TextMessage msg = (TextMessage) message;
try {
System.out.println("received: " + msg.getText());
if (msg.getText().equals("exit")) {
AsyncSimpleConsumer.catchExit = true;
}
} catch (JMSException ex) {
ex.printStackTrace();
}
}
@Override
public void info(long lectureWrapperId) {
InfoLectureWrapperDTO infoLectureWrapperDTO = new InfoLectureWrapperDTO(lectureWrapperId);
try {
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
ObjectMessage objectMessage = session.createObjectMessage(infoLectureWrapperDTO);
session.createProducer(serverQueue).send(objectMessage);
} catch (JMSException e) {
e.printStackTrace();
}
}
@Override
public void start() {
try {
connection = connectionFactory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
messageConsumer = session.createConsumer(schedulerQueue);
messageConsumer.setMessageListener(this);
connection.start();
} catch (JMSException e) {
e.printStackTrace();
}
}
public void onMessage(Message message) {
// 这里我们知道生产者发送的就是一个纯文本消息，所以这里可以直接进行强制转换，或者直接把onMessage方法的参数改成Message的子类TextMessage
TextMessage textMsg = (TextMessage) message;
System.out.println("接收到一个纯文本消息。");
try {
System.out.println("消息内容是：" + textMsg.getText());
if (1 == 1) {
throw new RuntimeException("Error");
}
} catch (JMSException e) {
e.printStackTrace();
}
}
/**
* Wait for 'count' messages on controlQueue before continuing. Called by a publisher to make sure
* that subscribers have started before it begins publishing messages.
*
* <p>If controlQueue doesn't exist, the method throws an exception.
*
* @param prefix prefix (publisher or subscriber) to be displayed
* @param controlQueueName name of control queue
* @param count number of messages to receive
*/
public static void receiveSynchronizeMessages(String prefix, String controlQueueName, int count)
throws Exception {
QueueConnectionFactory queueConnectionFactory = null;
QueueConnection queueConnection = null;
QueueSession queueSession = null;
Queue controlQueue = null;
QueueReceiver queueReceiver = null;
try {
queueConnectionFactory = SampleUtilities.getQueueConnectionFactory();
queueConnection = queueConnectionFactory.createQueueConnection();
queueSession = queueConnection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
controlQueue = getQueue(controlQueueName, queueSession);
queueConnection.start();
} catch (Exception e) {
System.out.println("Connection problem: " + e.toString());
if (queueConnection != null) {
try {
queueConnection.close();
} catch (JMSException ee) {
}
}
throw e;
}
try {
System.out.println(
prefix
+ "Receiving synchronize messages from "
+ controlQueueName
+ "; count = "
+ count);
queueReceiver = queueSession.createReceiver(controlQueue);
while (count > 0) {
queueReceiver.receive();
count--;
System.out.println(prefix + "Received synchronize message; expect " + count + " more");
}
} catch (JMSException e) {
System.out.println("Exception occurred: " + e.toString());
throw e;
} finally {
if (queueConnection != null) {
try {
queueConnection.close();
} catch (JMSException e) {
}
}
}
}
private void sendJmsMessage() {
String message = "Salutation generated for MDB";
try {
Connection connection = queueConnectionFactory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer messageProducer = (MessageProducer) session.createProducer(queue);
TextMessage textMessage = session.createTextMessage();
textMessage.setText(message);
messageProducer.send(textMessage);
Logger.getLogger("SalutationLog")
.log(Level.WARNING, "Message sent successfully", "Message sent successfully2");
} catch (JMSException e) {
e.printStackTrace();
}
}
@Override
public void onMessage(Message message) {
JMSProducer producer = context.createProducer();
try {
// What we need to do is find classification entries that have not been
// filled out. When we find them, we send a message to *another* queue,
// saying "run this classification" - with an expiry of 45 seconds.
List<Classification> classifications = classificationService.findUnclassifiedEntries();
for (Classification classification : classifications) {
ObjectMessage classificationMessage = context.createObjectMessage(classification);
classificationMessage.setJMSExpiration(45 * 1000);
producer.send(classificationQueue, classificationMessage);
}
} catch (JMSException jmsException) {
jmsException.printStackTrace();
}
}
public void onMessage(Message message) {
try {
boolean accepted = false;
// Get the data from the message
MapMessage msg = (MapMessage) message;
double salary = msg.getDouble("Salary");
double loanAmt = msg.getDouble("LoanAmount");
// Determine whether to accept or decline the loan
if (loanAmt < 200000) {
accepted = (salary / loanAmt) > .25;
} else {
accepted = (salary / loanAmt) > .33;
}
System.out.println(
""
+ "Percent = "
+ (salary / loanAmt)
+ ", loan is "
+ (accepted ? "Accepted!" : "Declined"));
// Send the results back to the borrower
TextMessage tmsg = qSession.createTextMessage();
tmsg.setText(accepted ? "Accepted!" : "Declined");
// correlation
tmsg.setJMSCorrelationID(message.getJMSMessageID());
// Create the sender and send the message
qSender = qSession.createSender((Queue) message.getJMSReplyTo());
qSender.send(tmsg);
System.out.println("\nWaiting for loan requests...");
} catch (JMSException jmse) {
jmse.printStackTrace();
System.exit(1);
} catch (Exception jmse) {
jmse.printStackTrace();
System.exit(1);
}
}
@After
public void tearDown() {
try {
if (session != null) {
session.close();
}
if (connection != null) {
connection.close();
}
if (hornetQConnectionFactory != null) {
hornetQConnectionFactory.close();
}
} catch (JMSException e) {
e.printStackTrace();
}
}
/**
* Send a message to controlQueue. Called by a subscriber to notify a publisher that it is ready
* to receive messages.
*
* <p>If controlQueue doesn't exist, the method throws an exception.
*
* @param prefix prefix (publisher or subscriber) to be displayed
* @param controlQueueName name of control queue
*/
public static void sendSynchronizeMessage(String prefix, String controlQueueName)
throws Exception {
QueueConnectionFactory queueConnectionFactory = null;
QueueConnection queueConnection = null;
QueueSession queueSession = null;
Queue controlQueue = null;
QueueSender queueSender = null;
TextMessage message = null;
try {
queueConnectionFactory = SampleUtilities.getQueueConnectionFactory();
queueConnection = queueConnectionFactory.createQueueConnection();
queueSession = queueConnection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
controlQueue = getQueue(controlQueueName, queueSession);
} catch (Exception e) {
System.out.println("Connection problem: " + e.toString());
if (queueConnection != null) {
try {
queueConnection.close();
} catch (JMSException ee) {
}
}
throw e;
}
try {
queueSender = queueSession.createSender(controlQueue);
message = queueSession.createTextMessage();
message.setText("synchronize");
System.out.println(prefix + "Sending synchronize message to " + controlQueueName);
queueSender.send(message);
} catch (JMSException e) {
System.out.println("Exception occurred: " + e.toString());
throw e;
} finally {
if (queueConnection != null) {
try {
queueConnection.close();
} catch (JMSException e) {
}
}
}
}
public void onMessage(Message message) {
try {
boolean accepted = false;
// Get the data from the message
MapMessage msg = (MapMessage) message;
double salary = msg.getDouble("Salary");
double expAmt = msg.getDouble("Years’ experience");
// Determine whether to accept or decline the loan
if (expAmt < 200000) {
accepted = (salary / expAmt) > .25;
} else {
accepted = (salary / expAmt) > .33;
}
if (salary <= 32000) {
accepted = true;
} else {
if (expAmt == 0) accepted = false;
else accepted = ((double) (expAmt - 32000) / expAmt) < 3000.;
}
System.out.println(" Salary proposal is " + (accepted ? "Accepted!" : "Declined"));
// Send the results back to the borrower
TextMessage tmsg = qSession.createTextMessage();
tmsg.setText(accepted ? "Accepted!" : "Declined");
tmsg.setJMSCorrelationID(message.getJMSMessageID());
// Create the sender and send the message
QueueSender qSender = qSession.createSender((Queue) message.getJMSReplyTo());
qSender.send(tmsg);
System.out.println("\nWaiting for salary requests...");
} catch (JMSException jmse) {
jmse.printStackTrace();
System.exit(1);
} catch (Exception jmse) {
jmse.printStackTrace();
System.exit(1);
}
}
public static void main(String[] args) {
try {
System.out.println(args[0] + " " + args[2]);
ChatPublisher publisher = new ChatPublisher(args[0], args[1], Boolean.valueOf(args[2]));
publisher.start();
BufferedReader cmd = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String s = cmd.readLine();
if (s.equalsIgnoreCase("exit")) {
publisher.stop();
System.exit(0);
} else {
publisher.writeMessage(s);
}
}
} catch (JMSException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void onMessage(Message message) {
if (message instanceof TextMessage) {
TextMessage msg = (TextMessage) message;
try {
String unitOfOrder = message.getStringProperty("JMS_BEA_UnitOfOrder");
// Sleep for 2 seconds to demonstrate the messages are indeed
// processes sequentially (in unit-of-order)
Thread.sleep(2000);
System.out.println(
"UOOListener:: MDB=["
+ mdbId
+ "] UOO=["
+ unitOfOrder
+ "] Message=["
+ msg.getText()
+ "]");
} catch (JMSException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public tibjmsLoadBalancedTopicPublisher(String[] args) {
parseArgs(args);
/* print parameters */
System.out.println(
"\n------------------------------------------------------------------------");
System.out.println("tibjmsLoadBalancedTopicPublisher SAMPLE");
System.out.println("------------------------------------------------------------------------");
System.out.println("Servers...................... " + serverList);
System.out.println("User......................... " + (userName != null ? userName : "******"));
System.out.println("Topic........................ " + topicName);
System.out.println("Messages..................... " + messages);
System.out.println("Delay........................ " + delay);
System.out.println(
"------------------------------------------------------------------------\n");
System.err.println("Publishing on topic '" + topicName + "'\n");
try {
HashMap properties = new HashMap();
Integer metric;
if (balanceByConnections)
metric = new Integer(Tibjms.FACTORY_LOAD_BALANCE_METRIC_CONNECTIONS);
else metric = new Integer(Tibjms.FACTORY_LOAD_BALANCE_METRIC_BYTE_RATE);
properties.put(Tibjms.FACTORY_LOAD_BALANCE_METRIC, metric);
TopicConnectionFactory factory =
new com.tibco.tibjms.TibjmsTopicConnectionFactory(serverList, null, properties);
TopicConnection connection = factory.createTopicConnection(userName, password);
TopicSession session =
connection.createTopicSession(false, javax.jms.Session.AUTO_ACKNOWLEDGE);
/*
* Use createTopic() to enable publishing into dynamic topics.
*/
javax.jms.Topic topic = session.createTopic(topicName);
TopicPublisher publisher = session.createPublisher(topic);
/* publish messages */
for (int i = 0; i < messages; i++) {
javax.jms.TextMessage message = session.createTextMessage();
String text = "Load balanced message " + i;
message.setText(text);
publisher.publish(message);
System.err.println(
"Published message " + i + " to server " + Tibjms.getConnectionActiveURL(connection));
try {
Thread.sleep(delay * 1000);
} catch (InterruptedException e) {
}
}
connection.close();
} catch (JMSException e) {
e.printStackTrace();
System.exit(0);
}
}
public tibjmsTopicSubscriber(String[] args) {
parseArgs(args);
/* print parameters */
System.err.println(
"\n------------------------------------------------------------------------");
System.err.println("tibjmsTopicSubscriber SAMPLE");
System.err.println("------------------------------------------------------------------------");
System.err.println(
"Server....................... " + ((serverUrl != null) ? serverUrl : "localhost"));
System.err.println(
"User......................... " + ((userName != null) ? userName : "******"));
System.err.println("Topic........................ " + topicName);
System.err.println(
"------------------------------------------------------------------------\n");
try {
tibjmsUtilities.initSSLParams(serverUrl, args);
} catch (JMSSecurityException e) {
System.err.println(
"JMSSecurityException: " + e.getMessage() + ", provider=" + e.getErrorCode());
e.printStackTrace();
System.exit(0);
}
if (topicName == null) {
System.err.println("Error: must specify topic name");
usage();
}
System.err.println("Subscribing to topic: " + topicName);
try {
TopicConnectionFactory factory = new com.tibco.tibjms.TibjmsTopicConnectionFactory(serverUrl);
TopicConnection connection = factory.createTopicConnection(userName, password);
TopicSession session =
connection.createTopicSession(false, javax.jms.Session.AUTO_ACKNOWLEDGE);
/*
* Use createTopic() to enable subscriptions to dynamic topics.
*/
javax.jms.Topic topic = session.createTopic(topicName);
TopicSubscriber subscriber = session.createSubscriber(topic);
connection.start();
/* read topic messages */
while (true) {
javax.jms.Message message = subscriber.receive();
if (message == null) break;
System.err.println("Received message: " + message);
}
connection.close();
} catch (JMSException e) {
System.err.println("JMSException: " + e.getMessage() + ", provider=" + e.getErrorCode());
e.printStackTrace();
System.exit(0);
}
}
