org.apache.nifi.jms.processors

Class JMSConsumer

java.lang.Object

org.apache.nifi.jms.processors.JMSWorker

org.apache.nifi.jms.processors.JMSConsumer

final class JMSConsumer
extends JMSWorker

Generic consumer of messages from JMS compliant messaging system.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static interface	JMSConsumer.ConsumerCallback Callback to be invoked while executing inJMS call (the call within the live JMS session)
(package private) static class	JMSConsumer.JMSResponse

Field Summary

Fields inherited from class org.apache.nifi.jms.processors.JMSWorker

jmsTemplate, processLog

Constructor Summary

Constructors

Constructor and Description
JMSConsumer(org.springframework.jms.connection.CachingConnectionFactory connectionFactory, org.springframework.jms.core.JmsTemplate jmsTemplate, ComponentLog logger)

Method Summary

Modifier and Type	Method and Description
private void	acknowledge(javax.jms.Message message, javax.jms.Session session)
void	consume(String destinationName, String errorQueueName, boolean durable, boolean shared, String subscriptionName, String messageSelector, String charset, JMSConsumer.ConsumerCallback consumerCallback)
private javax.jms.MessageConsumer	createMessageConsumer(javax.jms.Session session, String destinationName, boolean durable, boolean shared, String subscriptionName, String messageSelector)
private Map<String,String>	extractMessageHeaders(javax.jms.Message message)
private Map<String,String>	extractMessageProperties(javax.jms.Message message)
private String	retrieveDestinationName(javax.jms.Destination destination, String headerName)

Methods inherited from class org.apache.nifi.jms.processors.JMSWorker

isValid, setValid, shutdown, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JMSConsumer

JMSConsumer(org.springframework.jms.connection.CachingConnectionFactory connectionFactory,
            org.springframework.jms.core.JmsTemplate jmsTemplate,
            ComponentLog logger)

Method Detail

createMessageConsumer

private javax.jms.MessageConsumer createMessageConsumer(javax.jms.Session session,
                                                        String destinationName,
                                                        boolean durable,
                                                        boolean shared,
                                                        String subscriptionName,
                                                        String messageSelector)
                                                 throws javax.jms.JMSException

Throws:

javax.jms.JMSException

consume

public void consume(String destinationName,
                    String errorQueueName,
                    boolean durable,
                    boolean shared,
                    String subscriptionName,
                    String messageSelector,
                    String charset,
                    JMSConsumer.ConsumerCallback consumerCallback)

acknowledge

private void acknowledge(javax.jms.Message message,
                         javax.jms.Session session)
                  throws javax.jms.JMSException

Throws:

javax.jms.JMSException

extractMessageProperties

private Map<String,String> extractMessageProperties(javax.jms.Message message)

extractMessageHeaders

private Map<String,String> extractMessageHeaders(javax.jms.Message message)
                                          throws javax.jms.JMSException

Throws:

javax.jms.JMSException

retrieveDestinationName

private String retrieveDestinationName(javax.jms.Destination destination,
                                       String headerName)