org.hibernate.search.backend.impl.jms

Class AbstractJMSHibernateSearchController

java.lang.Object

org.hibernate.search.backend.impl.jms.AbstractJMSHibernateSearchController

All Implemented Interfaces:

MessageListener

public abstract class AbstractJMSHibernateSearchController
extends Object
implements MessageListener

Implement the Hibernate Search controller responsible for processing the work send through JMS by the slave nodes.

Author:

Emmanuel Bernard, Sanne Grinovero (C) 2011 Red Hat Inc.

Constructor Summary

Constructors

Constructor and Description
AbstractJMSHibernateSearchController()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	cleanSessionIfNeeded(Session session) Ensure to clean the resources after use.
protected abstract Session	getSession() Return the current or give a new session This session is not used per se, but is the link to access the Search configuration.
void	onMessage(Message message) Process the Hibernate Search work queues received

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractJMSHibernateSearchController

public AbstractJMSHibernateSearchController()

Method Detail

getSession

protected abstract Session getSession()

Return the current or give a new session This session is not used per se, but is the link to access the Search configuration.

A typical EJB 3.0 usecase would be to get the session from the container (injected) eg in JBoss EJB 3.0

@PersistenceContext private Session session;

protected Session getSession() {
return session
}


eg in any container
@PersistenceContext private EntityManager entityManager;

protected Session getSession() {
return (Session) entityManager.getdelegate();
}


cleanSessionIfNeeded

protected abstract void cleanSessionIfNeeded(Session session)

Ensure to clean the resources after use. If the session has been directly or indirectly injected, this method is empty

onMessage

public void onMessage(Message message)

Process the Hibernate Search work queues received

Specified by:

onMessage in interface MessageListener

Parameters:

message - the message passed to the listener