com.hazelcast.topic.impl.reliable

Class ReliableTopicProxy<E>

java.lang.Object

com.hazelcast.spi.AbstractDistributedObject<ReliableTopicService>

com.hazelcast.topic.impl.reliable.ReliableTopicProxy<E>

Type Parameters:

E - type of item contained in the topic

All Implemented Interfaces:

DistributedObject, ITopic<E>

public class ReliableTopicProxy<E>
extends AbstractDistributedObject<ReliableTopicService>
implements ITopic<E>

The serverside ITopic implementation for reliable topics.

Field Summary

Fields

Modifier and Type	Field and Description
static int	INITIAL_BACKOFF_MS
static int	MAX_BACKOFF

Fields inherited from class com.hazelcast.spi.AbstractDistributedObject

PARTITIONING_STRATEGY

Constructor Summary

Constructors

Constructor and Description
ReliableTopicProxy(String name, NodeEngine nodeEngine, ReliableTopicService service, ReliableTopicConfig topicConfig)

Method Summary

Modifier and Type	Method and Description
String	addMessageListener(MessageListener<E> listener) Subscribes to this topic.
LocalTopicStats	getLocalTopicStats() Returns statistics about this topic, like total number of publishes/receives.
String	getName() Returns the name of this ITopic instance.
String	getServiceName() Returns the service name for this object.
protected void	postDestroy()
void	publish(E payload) Publishes the message to all subscribers of this topic.
boolean	removeMessageListener(String registrationId) Stops receiving messages for the given message listener.

Methods inherited from class com.hazelcast.spi.AbstractDistributedObject

destroy, equals, getDistributedObjectName, getNameAsPartitionAwareData, getNodeEngine, getOperationService, getPartitionId, getPartitionKey, getService, hashCode, invalidate, invokeOnPartition, preDestroy, throwNotActiveException, toData, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.hazelcast.core.DistributedObject

destroy, getPartitionKey

Field Detail

MAX_BACKOFF

public static final int MAX_BACKOFF

See Also:

Constant Field Values

INITIAL_BACKOFF_MS

public static final int INITIAL_BACKOFF_MS

See Also:

Constant Field Values

Constructor Detail

ReliableTopicProxy

public ReliableTopicProxy(String name,
                          NodeEngine nodeEngine,
                          ReliableTopicService service,
                          ReliableTopicConfig topicConfig)

Method Detail

getServiceName

public String getServiceName()

Description copied from interface: DistributedObject

Returns the service name for this object.

Specified by:

getServiceName in interface DistributedObject

Specified by:

getServiceName in class AbstractDistributedObject<ReliableTopicService>

Returns:

the service name for this object.

getName

public String getName()

Description copied from interface: ITopic

Returns the name of this ITopic instance.

Specified by:

getName in interface DistributedObject

Specified by:

getName in interface ITopic<E>

Returns:

name of this ITopic instance

publish

public void publish(E payload)

Description copied from interface: ITopic

Publishes the message to all subscribers of this topic.

Specified by:

publish in interface ITopic<E>

Parameters:

payload - the message to publish to all subscribers of this topic

addMessageListener

public String addMessageListener(MessageListener<E> listener)

Description copied from interface: ITopic

Subscribes to this topic. When someone publishes a message on this topic. onMessage() function of the given MessageListener is called. More than one message listener can be added on one instance.

Specified by:

addMessageListener in interface ITopic<E>

Parameters:

listener - the MessageListener to add

Returns:

returns the registration ID

removeMessageListener

public boolean removeMessageListener(String registrationId)

Description copied from interface: ITopic

Stops receiving messages for the given message listener. If the given listener already removed, this method does nothing.

Specified by:

removeMessageListener in interface ITopic<E>

Parameters:

registrationId - ID of listener registration

Returns:

true if registration is removed, false otherwise

postDestroy

protected void postDestroy()

Overrides:

postDestroy in class AbstractDistributedObject<ReliableTopicService>

getLocalTopicStats

public LocalTopicStats getLocalTopicStats()

Description copied from interface: ITopic

Returns statistics about this topic, like total number of publishes/receives.

Specified by:

getLocalTopicStats in interface ITopic<E>

Returns:

statistics about this topic