Package io.moquette.broker.subscriptions

Class CTrieSubscriptionDirectory

java.lang.Object

io.moquette.broker.subscriptions.CTrieSubscriptionDirectory

All Implemented Interfaces:

ISubscriptionsDirectory

public class CTrieSubscriptionDirectory
extends Object
implements ISubscriptionsDirectory

Constructor Summary

Constructors

Constructor	Description
CTrieSubscriptionDirectory()

Method Summary

Modifier and Type	Method	Description
void	add(Subscription newSubscription)
String	dumpTree()
void	init(ISubscriptionsRepository subscriptionsRepository)
Set<String>	listAllSessionIds()
Set<Subscription>	matchQosSharpening(Topic topic)
Set<Subscription>	matchWithoutQosSharpening(Topic topic)	Given a topic string return the clients subscriptions that matches it.
void	removeSubscription(Topic topic, String clientID)	Removes subscription from CTrie, adds TNode when the last client unsubscribes, then calls for cleanTomb in a separate atomic CAS operation.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

CTrieSubscriptionDirectory

public CTrieSubscriptionDirectory()

Method Detail

init

public void init(ISubscriptionsRepository subscriptionsRepository)

Specified by:

init in interface ISubscriptionsDirectory

listAllSessionIds

public Set<String> listAllSessionIds()

Specified by:

listAllSessionIds in interface ISubscriptionsDirectory

Returns:

the list of client ids that has a subscription stored.

matchWithoutQosSharpening

public Set<Subscription> matchWithoutQosSharpening(Topic topic)

Given a topic string return the clients subscriptions that matches it. Topic string can't contain character # and + because they are reserved to listeners subscriptions, and not topic publishing.

Specified by:

matchWithoutQosSharpening in interface ISubscriptionsDirectory

Parameters:

topic - to use fo searching matching subscriptions.

Returns:

the list of matching subscriptions, or empty if not matching.

matchQosSharpening

public Set<Subscription> matchQosSharpening(Topic topic)

Specified by:

matchQosSharpening in interface ISubscriptionsDirectory

add

public void add(Subscription newSubscription)

Specified by:

add in interface ISubscriptionsDirectory

removeSubscription

public void removeSubscription(Topic topic,
                               String clientID)

Removes subscription from CTrie, adds TNode when the last client unsubscribes, then calls for cleanTomb in a separate atomic CAS operation.

Specified by:

removeSubscription in interface ISubscriptionsDirectory

Parameters:

topic - the subscription's topic to remove.

clientID - the Id of client owning the subscription.

size

public int size()

Specified by:

size in interface ISubscriptionsDirectory

dumpTree

public String dumpTree()

Specified by:

dumpTree in interface ISubscriptionsDirectory