public void onMessage(Message message) {
try {
MapMessage request = (MapMessage) message;
String correlationID = request.getJMSCorrelationID();
int itemId = request.getInt("itemId");
// Retrieve the connection factory
connectionFactory =
(TopicConnectionFactory) initialContext.lookup(BeanConfig.TopicConnectionFactoryName);
// get the bids history
String html = getBidHistory(itemId);
// send the reply
TemporaryTopic temporaryTopic = (TemporaryTopic) request.getJMSReplyTo();
if (temporaryTopic != null) {
// create a connection
connection = connectionFactory.createTopicConnection();
// create a session: no transaction, auto ack
session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
TextMessage reply = session.createTextMessage();
reply.setJMSCorrelationID(correlationID);
reply.setText(html);
replier = session.createPublisher(null); // unidentified publisher
connection.start();
replier.publish(temporaryTopic, reply);
replier.close();
session.close();
connection.stop();
connection.close();
}
} catch (Exception e) {
throw new EJBException("Message traitment failed for MDB_ViewBidHistory: " + e);
}
}
public Message createMessage(Session session) throws JMSException {
MapMessage msg = session.createMapMessage();
msg.setString("JID", JID);
msg.setString("URL", URL);
msg.setString("DESC", DESC);
return msg;
}
private MapMessage newMapMessage(Map<String, Object> body) throws JMSException {
MapMessage message = new MapMessageImpl();
for (String key : body.keySet()) {
Object value = body.get(key);
message.setObject(key, value);
}
return message;
}
@Test
public void shouldMapSendOperationAttribute() throws JMSException {
MappedApi service = service(new MappingBuilder("myop").build());
// When
service.mappedNoArgCall();
// Then
MapMessage message = (MapMessage) captureMessage();
assertEquals("mappedNoArgCall", message.getObject("myop"));
}
public Value receive(Env env, @Optional("1") long timeout) throws JMSException {
Message message = _consumer.receive(timeout);
if (message == null) return BooleanValue.FALSE;
if (message instanceof ObjectMessage) {
Object object = ((ObjectMessage) message).getObject();
return env.wrapJava(object);
} else if (message instanceof TextMessage) {
return env.createString(((TextMessage) message).getText());
} else if (message instanceof StreamMessage) {
Object object = ((StreamMessage) message).readObject();
return env.wrapJava(object);
} else if (message instanceof BytesMessage) {
BytesMessage bytesMessage = (BytesMessage) message;
int length = (int) bytesMessage.getBodyLength();
StringValue bb = env.createBinaryBuilder(length);
TempBuffer tempBuffer = TempBuffer.allocate();
int sublen;
while (true) {
sublen = bytesMessage.readBytes(tempBuffer.getBuffer());
if (sublen > 0) bb.append(tempBuffer.getBuffer(), 0, sublen);
else break;
}
TempBuffer.free(tempBuffer);
return bb;
} else if (message instanceof MapMessage) {
MapMessage mapMessage = (MapMessage) message;
Enumeration mapNames = mapMessage.getMapNames();
ArrayValue array = new ArrayValueImpl();
while (mapNames.hasMoreElements()) {
String name = mapNames.nextElement().toString();
Object object = mapMessage.getObject(name);
array.put(env.createString(name), env.wrapJava(object));
}
return array;
} else {
return BooleanValue.FALSE;
}
}
@Override
public Message convert(Map<String, Object> payload) throws TransformationException {
try {
MapMessage mapMsg = session.createMapMessage();
for (Map.Entry<String, Object> entry : payload.entrySet()) {
mapMsg.setObject(entry.getKey(), entry.getValue());
}
return mapMsg;
} catch (JMSException e) {
throw new TransformationException(e);
}
}
public boolean send(@NotNull Value value, @Optional JMSQueue replyTo) throws JMSException {
Message message = null;
if (value.isArray()) {
message = _session.createMapMessage();
ArrayValue array = (ArrayValue) value;
Set<Map.Entry<Value, Value>> entrySet = array.entrySet();
for (Map.Entry<Value, Value> entry : entrySet) {
if (entry.getValue() instanceof BinaryValue) {
byte[] bytes = ((BinaryValue) entry.getValue()).toBytes();
((MapMessage) message).setBytes(entry.getKey().toString(), bytes);
} else {
// every primitive except for bytes can be translated from a string
((MapMessage) message).setString(entry.getKey().toString(), entry.getValue().toString());
}
}
} else if (value instanceof BinaryValue) {
message = _session.createBytesMessage();
byte[] bytes = ((BinaryValue) value).toBytes();
((BytesMessage) message).writeBytes(bytes);
} else if (value.isLongConvertible()) {
message = _session.createStreamMessage();
((StreamMessage) message).writeLong(value.toLong());
} else if (value.isDoubleConvertible()) {
message = _session.createStreamMessage();
((StreamMessage) message).writeDouble(value.toDouble());
} else if (value.toJavaObject() instanceof String) {
message = _session.createTextMessage();
((TextMessage) message).setText(value.toString());
} else if (value.toJavaObject() instanceof Serializable) {
message = _session.createObjectMessage();
((ObjectMessage) message).setObject((Serializable) value.toJavaObject());
} else {
return false;
}
if (replyTo != null) message.setJMSReplyTo(replyTo._destination);
_producer.send(message);
return true;
}
@Test
public void shouldMapSendAttributes() throws JMSException {
// Given
MappedApi proxy = MessageSender.of(MappedApi.class);
// When
proxy.mappedCall("a", 0L);
// Then
MapMessage message = (MapMessage) captureMessage();
assertEquals("a", message.getObject("A"));
assertEquals("0", message.getObject("B"));
}
@Test
public void shouldMapSendOperationName() throws JMSException {
// Given
Mapping mapping =
new MappingBuilder(OPERATION_FIELD_NAME) //
.mapOperation("mappedNoArgCall", "MAPPED_NOARG_OP")
.build();
MappedApi service = service(mapping);
// When
service.mappedNoArgCall();
// Then
MapMessage message = (MapMessage) captureMessage();
assertEquals("MAPPED_NOARG_OP", message.getObject(OPERATION_FIELD_NAME));
}
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);
}
}
/**
* Each message will be divided into groups and create the map message
*
* @param producer Used for sending messages to a destination
* @param session Used to produce the messages to be sent
* @param messagesList List of messages to be sent individual message event data should be in
* "attributeName(attributeType):attributeValue" format
*/
public static void publishMapMessage(
MessageProducer producer, Session session, List<String> messagesList)
throws IOException, JMSException {
String regexPattern = "(.*)\\((.*)\\):(.*)";
Pattern pattern = Pattern.compile(regexPattern);
for (String message : messagesList) {
MapMessage mapMessage = session.createMapMessage();
for (String line : message.split("\\n")) {
if (line != null && !line.equalsIgnoreCase("")) {
Matcher matcher = pattern.matcher(line);
if (matcher.find()) {
mapMessage.setObject(
matcher.group(1), parseAttributeValue(matcher.group(2), matcher.group(3)));
}
}
}
producer.send(mapMessage);
}
}
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);
}
}
@Test
public void shouldSendAttributesUsingExplicitConversion(boolean flag) throws JMSException {
// Given
LocalDate today = new LocalDate();
String pattern = "dd.MM.YYYY";
Mapping mapping =
new MappingBuilder(OPERATION_FIELD_NAME) //
.mapField("date", FieldMapping.map("date", new JodaLocalDateConverter(pattern))) //
.mapField("flag", FieldMapping.map("flag", new StringToBooleanConverter("1", "0"))) //
.build();
MapJmsPayloadHandler payloadHandler = new MapJmsPayloadHandler(mapping);
JodaTimeApi service = JmsSenderFactory.create(CONFIG, payloadHandler).create(JodaTimeApi.class);
// When
service.localDateCall(today, flag);
// Then
MapMessage message = (MapMessage) captureMessage();
assertEquals(today.toString(pattern), message.getString("date"));
assertEquals(flag ? "1" : "0", message.getString("flag"));
}
public static void main(String[] args) throws Exception {
stopMQService();
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory();
Connection connection = connectionFactory.createConnection();
connection.start();
final Session session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
Destination destination = session.createQueue("my-queue");
MessageConsumer consumer = session.createConsumer(destination);
/*
* //listener 方式 consumer.setMessageListener(new MessageListener() {
*
* public void onMessage(Message msg) { MapMessage message =
* (MapMessage) msg; //TODO something.... System.out.println("收到消息：" +
* new Date(message.getLong("count"))); session.commit(); }
*
* }); Thread.sleep(30000);
*/
int i = 0;
int num = 0;
while (i < 3) {
num++;
MapMessage message = (MapMessage) consumer.receive();
session.commit();
// TODO something....
// System.out.println("收到消息：" + new Date(message.getLong("count")));
System.out.println("2收到第" + num + "条消息：" + message.getString("count"));
// System.out.println("收到第"+num+"条消息：" + message.getString("mes"));
}
session.close();
connection.close();
}
/** @param message - map message which contains data to tenant creation via a rest call. */
@Override
public void onMessage(Message message) {
TenantInfoBean tenantInfoBean = null;
MapMessage mapMessage;
if (message instanceof MapMessage) {
mapMessage = (MapMessage) message;
String tenantInfoJson;
try {
tenantInfoJson = mapMessage.getString(AppFactoryConstants.TENANT_INFO);
ObjectMapper mapper = new ObjectMapper();
tenantInfoBean = mapper.readValue(tenantInfoJson, TenantInfoBean.class);
if (log.isDebugEnabled()) {
log.debug("Received a message for tenant domain " + tenantInfoBean.getTenantDomain());
}
mapMessage.acknowledge();
} catch (JMSException e) {
log.error("Error while getting message content.", e);
throw new RuntimeException(e);
} catch (JsonParseException e) {
log.error("Error while converting the json to object.", e);
throw new RuntimeException(e);
} catch (JsonMappingException e) {
log.error("Error while converting the json to object.", e);
throw new RuntimeException(e);
} catch (IOException e) {
log.error("Error while converting the json to object.", e);
throw new RuntimeException(e);
}
}
try {
int tenantId =
ServiceHolder.getRealmService()
.getTenantManager()
.getTenantId(tenantInfoBean.getTenantDomain());
if (tenantId == MultitenantConstants.INVALID_TENANT_ID) {
addTenant(tenantInfoBean);
} else {
if (log.isDebugEnabled()) {
log.debug(
"Tenant Already exist, skipping the tenant addition. Tenant domain : "
+ tenantInfoBean.getTenantDomain()
+ "and tenant Id : "
+ tenantInfoBean.getTenantId());
}
}
} catch (JMSException e) {
String msg = "Can not read received map massage";
log.error(msg, e);
throw new RuntimeException(e);
} catch (AppFactoryException e) {
String msg = "Can not create tenant";
log.error(msg, e);
throw new RuntimeException(e);
} catch (Exception e) {
String msg = "Can not create tenant";
log.error(msg, e);
throw new RuntimeException(e);
}
}
