org.wso2.carbon.andes.event.core.internal

Class CarbonEventBroker

java.lang.Object

org.wso2.carbon.andes.event.core.internal.CarbonEventBroker

All Implemented Interfaces:

EventBroker

public class CarbonEventBroker
extends Object
implements EventBroker

The following class contains the carbon eventing implementation related to subscriptions and topics.

Constructor Summary

Constructors

Constructor and Description
CarbonEventBroker()

Method Summary

Methods

Modifier and Type	Method and Description
void	cleanUp() Cleans up the delivery broker
List<Subscription>	getAllSubscriptions(String filter) Get all subscriptions
Subscription	getSubscription(String id) Get subscription from subscription ID
TopicManagerService	getTopicManagerService() Gets the topic manager
void	init() Initializes the carbon event broker.
void	initializeTenant() This method is called when a tenant initialize.
void	publish(Message message, String topicName) Publish an event to the given topic asynchronously.
void	publish(Message message, String topicName, int deliveryMode) Publish an event to the given topic asynchronously.
void	publishRobust(Message message, String topicName) Publish an event to the given topic synchronously.
void	publishRobust(Message message, String topicName, int deliveryMode) Publish an event to the given topic synchronously.
void	registerEventDispatcher(String eventDispatcherName, EventDispatcher eventDispatcher) Register an event dispatcher in the case of using subscriptions with eventBrokerName
void	renewSubscription(Subscription subscription) Renews a subscription.
void	setDeliveryManager(DeliveryManager deliveryManager) Sets the delivery manager
void	setExecutor(ExecutorService executor) Sets the executor service
void	setSubscriptionManager(SubscriptionManager subscriptionManager) Sets new subscription manager
void	setTopicManagerService(TopicManagerService topicManagerService) Sets new topic manager
String	subscribe(Subscription subscription) Subscribe using the given subscription details.
void	unsubscribe(String id) Unsubscribes a subscription

Methods inherited from class java.lang.Object

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

Constructor Detail

CarbonEventBroker

public CarbonEventBroker()

Method Detail

init

public void init()
          throws EventBrokerConfigurationException

Initializes the carbon event broker. Loads subscriptions new notifier manager set to delivery manager.

Throws:

EventBrokerConfigurationException

initializeTenant

public void initializeTenant()
                      throws EventBrokerException,
                             org.wso2.carbon.user.api.UserStoreException

This method is called when a tenant initialize. to do the initialization works for tenants for event broker

Specified by:

initializeTenant in interface EventBroker

Throws:

EventBrokerException

org.wso2.carbon.user.api.UserStoreException

subscribe

public String subscribe(Subscription subscription)
                 throws EventBrokerException

Subscribe using the given subscription details.

Specified by:

subscribe in interface EventBroker

Parameters:

subscription - the subscription

Returns:

subscription ID

Throws:

EventBrokerException

unsubscribe

public void unsubscribe(String id)
                 throws EventBrokerException

Unsubscribes a subscription

Specified by:

unsubscribe in interface EventBroker

Parameters:

id - subscription ID

Throws:

EventBrokerException

getSubscription

public Subscription getSubscription(String id)
                             throws EventBrokerException

Get subscription from subscription ID

Specified by:

getSubscription in interface EventBroker

Parameters:

id - subscription ID

Returns:

the subscription

Throws:

EventBrokerException

renewSubscription

public void renewSubscription(Subscription subscription)
                       throws EventBrokerException

Renews a subscription. Updates expiry time, removal and resetting of the properties

Specified by:

renewSubscription in interface EventBroker

Parameters:

subscription - the subscription to renew

Throws:

EventBrokerException

getAllSubscriptions

public List<Subscription> getAllSubscriptions(String filter)
                                       throws EventBrokerException

Get all subscriptions

Specified by:

getAllSubscriptions in interface EventBroker

Parameters:

filter - filter value. use * for all

Returns:

a list of subscriptions

Throws:

EventBrokerException

publish

public void publish(Message message,
           String topicName)
             throws EventBrokerException

Publish an event to the given topic asynchronously. i.e it starts a new thread to send the message.

Specified by:

publish in interface EventBroker

Parameters:

message - - message to publish. this contains the OMElement of the message and any properties.

topicName - topic name

Throws:

EventBrokerException

publish

public void publish(Message message,
           String topicName,
           int deliveryMode)
             throws EventBrokerException

Publish an event to the given topic asynchronously. i.e it starts a new thread to send the message.

Specified by:

publish in interface EventBroker

Parameters:

message - - message to publish. this contains the OMElement of the message and any properties.

topicName - topic name

deliveryMode - - persist or not

Throws:

EventBrokerException

publishRobust

public void publishRobust(Message message,
                 String topicName)
                   throws EventBrokerException

Publish an event to the given topic synchronously. i.e it uses the same thread to send the message.

Specified by:

publishRobust in interface EventBroker

Parameters:

message - message to publish. this contains the OMElement of the message and any properties.

topicName - topic name

Throws:

EventBrokerException

publishRobust

public void publishRobust(Message message,
                 String topicName,
                 int deliveryMode)
                   throws EventBrokerException

Publish an event to the given topic synchronously. i.e it uses the same thread to send the message.

Specified by:

publishRobust in interface EventBroker

Parameters:

message - - message to publish. this contains the OMElement of the message and any properties.

topicName - topic name

deliveryMode - - persist or not

Throws:

EventBrokerException

registerEventDispatcher

public void registerEventDispatcher(String eventDispatcherName,
                           EventDispatcher eventDispatcher)

Register an event dispatcher in the case of using subscriptions with eventBrokerName

Specified by:

registerEventDispatcher in interface EventBroker

Parameters:

eventDispatcherName - event dispatcher name

eventDispatcher - event dispatcher

setSubscriptionManager

public void setSubscriptionManager(SubscriptionManager subscriptionManager)

Sets new subscription manager

Parameters:

subscriptionManager - new subscription manager

getTopicManagerService

public TopicManagerService getTopicManagerService()

Gets the topic manager

Specified by:

getTopicManagerService in interface EventBroker

Returns:

topic manager

setTopicManagerService

public void setTopicManagerService(TopicManagerService topicManagerService)

Sets new topic manager

Parameters:

topicManagerService - new topic manager

setDeliveryManager

public void setDeliveryManager(DeliveryManager deliveryManager)

Sets the delivery manager

Parameters:

deliveryManager - new delivery manager

setExecutor

public void setExecutor(ExecutorService executor)

Sets the executor service

Parameters:

executor - new executor service

cleanUp

public void cleanUp()
             throws EventBrokerException

Cleans up the delivery broker

Throws:

EventBrokerException