public static JmsProcessingSummary map2FlowFile(
final ProcessContext context,
final ProcessSession session,
final Message message,
final boolean addAttributes,
ProcessorLog logger)
throws Exception {
// Currently not very useful, because always one Message == one FlowFile
final IntegerHolder msgsThisFlowFile = new IntegerHolder(1);
FlowFile flowFile = session.create();
try {
// MapMessage is exception, add only name-value pairs to FlowFile attributes
if (message instanceof MapMessage) {
MapMessage mapMessage = (MapMessage) message;
flowFile = session.putAllAttributes(flowFile, createMapMessageValues(mapMessage));
} else { // all other message types, write Message body to FlowFile content
flowFile =
session.write(
flowFile,
new OutputStreamCallback() {
@Override
public void process(final OutputStream rawOut) throws IOException {
try (final OutputStream out = new BufferedOutputStream(rawOut, 65536)) {
final byte[] messageBody = JmsFactory.createByteArray(message);
out.write(messageBody);
} catch (final JMSException e) {
throw new ProcessException("Failed to receive JMS Message due to {}", e);
}
}
});
}
if (addAttributes) {
flowFile = session.putAllAttributes(flowFile, JmsFactory.createAttributeMap(message));
}
session.getProvenanceReporter().receive(flowFile, context.getProperty(URL).getValue());
session.transfer(flowFile, REL_SUCCESS);
logger.info(
"Created {} from {} messages received from JMS Server and transferred to 'success'",
new Object[] {flowFile, msgsThisFlowFile.get()});
return new JmsProcessingSummary(flowFile.getSize(), message, flowFile);
} catch (Exception e) {
session.remove(flowFile);
throw e;
}
}
@org.junit.Ignore
public void testSendObjectToQueue() throws Exception {
final TestRunner runner = TestRunners.newTestRunner(GetJMSQueue.class);
runner.setProperty(JmsProperties.JMS_PROVIDER, JmsProperties.ACTIVEMQ_PROVIDER);
runner.setProperty(JmsProperties.URL, "tcp://localhost:61616");
runner.setProperty(JmsProperties.DESTINATION_TYPE, JmsProperties.DESTINATION_TYPE_QUEUE);
runner.setProperty(JmsProperties.DESTINATION_NAME, "queue.testing");
runner.setProperty(JmsProperties.ACKNOWLEDGEMENT_MODE, JmsProperties.ACK_MODE_AUTO);
WrappedMessageProducer wrappedProducer =
JmsFactory.createMessageProducer(runner.getProcessContext(), true);
final Session jmsSession = wrappedProducer.getSession();
final MessageProducer producer = wrappedProducer.getProducer();
// Revision class is used because test just needs any Serializable class in core NiFi
final ObjectMessage message = jmsSession.createObjectMessage(new Revision(1L, "ID"));
producer.send(message);
jmsSession.commit();
producer.close();
jmsSession.close();
}
@Test
public void testSendStreamToQueue() throws Exception {
PutJMS putJms = new PutJMS();
TestRunner putRunner = TestRunners.newTestRunner(putJms);
putRunner.setProperty(JmsProperties.JMS_PROVIDER, JmsProperties.ACTIVEMQ_PROVIDER);
putRunner.setProperty(JmsProperties.URL, "vm://localhost?broker.persistent=false");
putRunner.setProperty(JmsProperties.DESTINATION_TYPE, JmsProperties.DESTINATION_TYPE_QUEUE);
putRunner.setProperty(JmsProperties.DESTINATION_NAME, "queue.testing");
putRunner.setProperty(JmsProperties.ACKNOWLEDGEMENT_MODE, JmsProperties.ACK_MODE_AUTO);
WrappedMessageProducer wrappedProducer =
JmsFactory.createMessageProducer(putRunner.getProcessContext(), true);
final Session jmsSession = wrappedProducer.getSession();
final MessageProducer producer = wrappedProducer.getProducer();
final StreamMessage message = jmsSession.createStreamMessage();
message.writeBytes("Hello Stream".getBytes());
producer.send(message);
jmsSession.commit();
GetJMSQueue getJmsQueue = new GetJMSQueue();
TestRunner runner = TestRunners.newTestRunner(getJmsQueue);
runner.setProperty(JmsProperties.JMS_PROVIDER, JmsProperties.ACTIVEMQ_PROVIDER);
runner.setProperty(JmsProperties.URL, "vm://localhost?broker.persistent=false");
runner.setProperty(JmsProperties.DESTINATION_NAME, "queue.testing");
runner.setProperty(JmsProperties.ACKNOWLEDGEMENT_MODE, JmsProperties.ACK_MODE_AUTO);
runner.run();
List<MockFlowFile> flowFiles =
runner.getFlowFilesForRelationship(new Relationship.Builder().name("success").build());
assertTrue(flowFiles.size() == 1);
MockFlowFile successFlowFile = flowFiles.get(0);
successFlowFile.assertContentEquals("Hello Stream");
successFlowFile.assertAttributeEquals("jms.JMSDestination", "queue.testing");
producer.close();
jmsSession.close();
}
@org.junit.Ignore
public void testSendMapToQueue() throws Exception {
final TestRunner runner = TestRunners.newTestRunner(GetJMSQueue.class);
runner.setProperty(JmsProperties.JMS_PROVIDER, JmsProperties.ACTIVEMQ_PROVIDER);
runner.setProperty(JmsProperties.URL, "tcp://localhost:61616");
runner.setProperty(JmsProperties.DESTINATION_TYPE, JmsProperties.DESTINATION_TYPE_QUEUE);
runner.setProperty(JmsProperties.DESTINATION_NAME, "queue.testing");
runner.setProperty(JmsProperties.ACKNOWLEDGEMENT_MODE, JmsProperties.ACK_MODE_AUTO);
WrappedMessageProducer wrappedProducer =
JmsFactory.createMessageProducer(runner.getProcessContext(), true);
final Session jmsSession = wrappedProducer.getSession();
final MessageProducer producer = wrappedProducer.getProducer();
final MapMessage message = jmsSession.createMapMessage();
message.setString("foo!", "bar");
message.setString("bacon", "meat");
producer.send(message);
jmsSession.commit();
producer.close();
jmsSession.close();
}