abs.ixi.client.io

Class UndeliveredStanzaManager

java.lang.Object

abs.ixi.client.io.UndeliveredStanzaManager

All Implemented Interfaces:

EventHandler

public class UndeliveredStanzaManager
extends Object
implements EventHandler

Ensuring delivery of stanza(s) is one of core responsibilities of core SDK. XMPP recommends an ACK mechanism to avoid packet loss on the network. Server MUST respond with an ACK (acknowdledgement) packet to the client for each stanza that it receives. If the client does not receive ACK packet witin pre-defined time (timeout), client will suspect a broken connection and will arrange for resending the stanza packets.

Author:

Yogi

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	UndeliveredStanzaManager.PersistenceMechanism An injectable interface which allows applications to define custom mechanism to persist undelivered stanzas.

Constructor Summary

Constructors

Constructor and Description
UndeliveredStanzaManager(UndeliveredStanzaManager.PersistenceMechanism persistenceMechanism)

Method Summary

Modifier and Type	Method and Description
List<Stanza>	getAllUndeliveredStanzas() Read all the stanzas from persistent store and delete them.
void	handle(Event event)
void	persistStanza(Stanza stanza) Persist stanza to determine delivery of stanza.
void	removeStanza(int stanzaCount) Remove given number of stanza packets
void	truncateUndeliverStanzas() Delete All un delivered stanzas from store.

Methods inherited from class java.lang.Object

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

Constructor Detail

UndeliveredStanzaManager

public UndeliveredStanzaManager(UndeliveredStanzaManager.PersistenceMechanism persistenceMechanism)

Method Detail

handle

public void handle(Event event)

Specified by:

handle in interface EventHandler

persistStanza

public void persistStanza(Stanza stanza)

Persist stanza to determine delivery of stanza.

Parameters:

stanza - Stanza packet instance to be persisted

removeStanza

public void removeStanza(int stanzaCount)

Remove given number of stanza packets

Parameters:

stanzaCount - number of stanza packets to be removed

getAllUndeliveredStanzas

public List<Stanza> getAllUndeliveredStanzas()

Read all the stanzas from persistent store and delete them.

Returns:

List list

truncateUndeliverStanzas

public void truncateUndeliverStanzas()

Delete All un delivered stanzas from store.