JMSTopicPublisher (Fedora Repository JMS Module 6.0.0-alpha-1 API)

java.lang.Object
- org.fcrepo.jms.JMSTopicPublisher

```
public class JMSTopicPublisher
extends Object
```
Machinery to publish JMS messages when an EventBus message is received.

Author:

barmintor, awoods

Field Summary

Fields
Modifier and Type Field Description

protected javax.jms.Session jmsSession

Constructor Summary

Constructors
Constructor Description

JMSTopicPublisher()
Create a JMS Topic with the default name of "fedora"

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`acquireConnections()`	Connect to JCR Repository and JMS queue
`protected javax.jms.Destination`	`createDestination()`
`void`	`publishJCREvent(org.fcrepo.kernel.api.observer.Event event)`	When an EventBus message is received, map it to our JMS message payload and push it onto the queue.
`void`	`releaseConnections()`	Close external connections

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - jmsSession
```
protected javax.jms.Session jmsSession
```
- Constructor Detail
  - JMSTopicPublisher
```
public JMSTopicPublisher()
```
    Create a JMS Topic with the default name of "fedora"
- Method Detail
  - createDestination
```
protected javax.jms.Destination createDestination()
                                           throws javax.jms.JMSException
```
    Throws:
    
    javax.jms.JMSException
  - publishJCREvent
```
public void publishJCREvent(org.fcrepo.kernel.api.observer.Event event)
                     throws javax.jms.JMSException
```
    When an EventBus message is received, map it to our JMS message payload and push it onto the queue.
    
    Parameters:
    
    event - the fedora event
    
    Throws:
    
    javax.jms.JMSException - if JMS exception occurred
  - acquireConnections
```
@PostConstruct
public void acquireConnections()
                        throws javax.jms.JMSException
```
    Connect to JCR Repository and JMS queue
    
    Throws:
    
    javax.jms.JMSException - if JMS Exception occurred
  - releaseConnections
```
@PreDestroy
public void releaseConnections()
                        throws javax.jms.JMSException
```
    Close external connections
    
    Throws:
    
    javax.jms.JMSException - if JMS exception occurred