com.googlecode.fascinator.common
Class MessagingServices

java.lang.Object
  com.googlecode.fascinator.common.MessagingServices

public class MessagingServices
extends Object

Messaging services

Author:

Oliver Lucido

Field Summary

static String	ERROR_TOPIC Error topic string
static String	MESSAGE_TOPIC Message topic string
static String	SUBSCRIBER_QUEUE Subscriber Queue name

Method Summary

javax.jms.Connection	getConnection() Gets the JMS connection
static MessagingServices	getInstance() Get messaging service instance
javax.jms.MessageProducer	getProducer() Gets the JMS message producer with no default destination
javax.jms.Session	getSession() Gets the JMS session
void	onEvent(Map<String,String> param) To put events to subscriber queue
void	publishMessage(String name, String msg) Sends a message to a JMS topic.
void	queueMessage(String name, String msg) Sends a message to a JMS queue.
void	release() Closes the JMS connections.
void	sendMessage(javax.jms.Destination destination, String msg) Sends a message to a JMS destination.

Methods inherited from class java.lang.Object

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

Field Detail

SUBSCRIBER_QUEUE

public static final String SUBSCRIBER_QUEUE

Subscriber Queue name

See Also:

Constant Field Values

ERROR_TOPIC

public static final String ERROR_TOPIC

Error topic string

See Also:

Constant Field Values

MESSAGE_TOPIC

public static final String MESSAGE_TOPIC

Message topic string

See Also:

Constant Field Values

Method Detail

getInstance

public static MessagingServices getInstance()
                                     throws javax.jms.JMSException

Get messaging service instance

Returns:

Messaging service instance

Throws:

javax.jms.JMSException - if an error occurred starting the JMS connections

getConnection

public javax.jms.Connection getConnection()

Gets the JMS connection

Returns:

JMS connection

getSession

public javax.jms.Session getSession()

Gets the JMS session

Returns:

JMS session

getProducer

public javax.jms.MessageProducer getProducer()

Gets the JMS message producer with no default destination

Returns:

JMS message producer

release

public void release()

Closes the JMS connections. This will only close the connections if there are no longer any references to the instance.

publishMessage

public void publishMessage(String name,
                           String msg)

Sends a message to a JMS topic.

Parameters:

name - topic name

msg - message to send

queueMessage

public void queueMessage(String name,
                         String msg)

Sends a message to a JMS queue.

Parameters:

name - queue name

msg - message to send

sendMessage

public void sendMessage(javax.jms.Destination destination,
                        String msg)
                 throws javax.jms.JMSException

Sends a message to a JMS destination.

Parameters:

name - destination name

msg - message to send

Throws:

javax.jms.JMSException

onEvent

public void onEvent(Map<String,String> param)

To put events to subscriber queue

Parameters:

oid - Object id

eventType - type of events happened

context - where the event happened

jsonFile - Configuration file