tigase.muc.cluster

Class ShardingStrategy

java.lang.Object

tigase.muc.cluster.AbstractStrategy

tigase.muc.cluster.ShardingStrategy

All Implemented Interfaces:

InMemoryMucRepositoryClustered.RoomListener, StrategyIfc, tigase.muc.Room.RoomOccupantListener

public class ShardingStrategy
extends AbstractStrategy
implements StrategyIfc, tigase.muc.Room.RoomOccupantListener, InMemoryMucRepositoryClustered.RoomListener

ShardingStrategy implements clustering strategy in which each room has assigned cluster node which is responsible for particular room. Limitations: not known

Author:

andrzej

Field Summary

Fields inherited from class tigase.muc.cluster.AbstractStrategy

cl_controller, localNodeJid, muc, mucRepository, REQUEST_SYNC_CMD

Constructor Summary

Constructors

Constructor and Description
ShardingStrategy()

Method Summary

Modifier and Type	Method and Description
protected boolean	addOccupant(tigase.xmpp.BareJID node, tigase.xmpp.BareJID roomJid, tigase.xmpp.JID occupantJid, String nickname)
protected tigase.xmpp.JID	getNodeForRoom(tigase.xmpp.BareJID roomJid)
void	nodeDisconnected(tigase.xmpp.JID nodeJid) Method description
void	onLeaveRoom(tigase.muc.Room room)
void	onOccupantChangedPresence(tigase.muc.Room room, tigase.xmpp.JID occupantJid, String nickname, tigase.xml.Element presence, boolean newOccupant)
void	onRoomCreated(tigase.muc.Room room)
void	onRoomDestroyed(tigase.muc.Room room, tigase.xml.Element destroyElement)
boolean	processPacket(tigase.server.Packet packet) Method called when packet is received by component to preprocess packet before/instead of passing it back to non clustered component
protected boolean	removeOccupant(tigase.xmpp.BareJID node, tigase.xmpp.BareJID roomJid, tigase.xmpp.JID occupantJid)
void	setClusterController(tigase.cluster.api.ClusterControllerIfc cl_controller) Setter used to set instance of cluster controller
void	setMucRepository(InMemoryMucRepositoryClustered mucRepository) Setter to pass instance of InMemoryMucRepositoryClustered
void	start() Method called when component is started
void	stop() Method called when component is stopped

Methods inherited from class tigase.muc.cluster.AbstractStrategy

forwardPacketToNode, getNodesConnected, getNodesConnectedWithLocal, nodeConnected, onOccupantAdded, onOccupantRemoved, requestSync, sendRemoteOccupantRemovalOnDisconnect, sendRemovalFromRoomOnNodeDisconnect, setLocalNodeJid, setMucComponentClustered

Methods inherited from class java.lang.Object

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

Methods inherited from interface tigase.muc.cluster.StrategyIfc

getNodesConnected, getNodesConnectedWithLocal, nodeConnected, setMucComponentClustered

Methods inherited from interface tigase.muc.Room.RoomOccupantListener

onOccupantAdded, onOccupantRemoved

Constructor Detail

ShardingStrategy

public ShardingStrategy()

Method Detail

nodeDisconnected

public void nodeDisconnected(tigase.xmpp.JID nodeJid)

Method description

Specified by:

nodeDisconnected in interface StrategyIfc

Parameters:

nodeJid - is a JID

setClusterController

public void setClusterController(tigase.cluster.api.ClusterControllerIfc cl_controller)

Description copied from interface: StrategyIfc

Setter used to set instance of cluster controller

Specified by:

setClusterController in interface StrategyIfc

Overrides:

setClusterController in class AbstractStrategy

processPacket

public boolean processPacket(tigase.server.Packet packet)

Description copied from interface: StrategyIfc

Method called when packet is received by component to preprocess packet before/instead of passing it back to non clustered component

Specified by:

processPacket in interface StrategyIfc

Returns:

true if packet was fully processed

getNodeForRoom

protected tigase.xmpp.JID getNodeForRoom(tigase.xmpp.BareJID roomJid)

setMucRepository

public void setMucRepository(InMemoryMucRepositoryClustered mucRepository)

Description copied from interface: StrategyIfc

Setter to pass instance of InMemoryMucRepositoryClustered

Specified by:

setMucRepository in interface StrategyIfc

Overrides:

setMucRepository in class AbstractStrategy

start

public void start()

Description copied from interface: StrategyIfc

Method called when component is started

Specified by:

start in interface StrategyIfc

stop

public void stop()

Description copied from interface: StrategyIfc

Method called when component is stopped

Specified by:

stop in interface StrategyIfc

onLeaveRoom

public void onLeaveRoom(tigase.muc.Room room)

Specified by:

onLeaveRoom in interface InMemoryMucRepositoryClustered.RoomListener

onRoomCreated

public void onRoomCreated(tigase.muc.Room room)

Specified by:

onRoomCreated in interface InMemoryMucRepositoryClustered.RoomListener

onRoomDestroyed

public void onRoomDestroyed(tigase.muc.Room room,
                            tigase.xml.Element destroyElement)

Specified by:

onRoomDestroyed in interface InMemoryMucRepositoryClustered.RoomListener

onOccupantChangedPresence

public void onOccupantChangedPresence(tigase.muc.Room room,
                                      tigase.xmpp.JID occupantJid,
                                      String nickname,
                                      tigase.xml.Element presence,
                                      boolean newOccupant)

Specified by:

onOccupantChangedPresence in interface tigase.muc.Room.RoomOccupantListener

addOccupant

protected boolean addOccupant(tigase.xmpp.BareJID node,
                              tigase.xmpp.BareJID roomJid,
                              tigase.xmpp.JID occupantJid,
                              String nickname)

Specified by:

addOccupant in class AbstractStrategy

removeOccupant

protected boolean removeOccupant(tigase.xmpp.BareJID node,
                                 tigase.xmpp.BareJID roomJid,
                                 tigase.xmpp.JID occupantJid)

Specified by:

removeOccupant in class AbstractStrategy