org.ow2.carol.cmi.ha
Class JGMessageManager

java.lang.Object
  org.ow2.carol.cmi.ha.JGMessageManager

All Implemented Interfaces:

org.jgroups.blocks.RequestHandler, MessageManager

public class JGMessageManager
extends java.lang.Object
implements org.jgroups.blocks.RequestHandler, MessageManager

This class processes the HA messages received through JGroups.

Author:

Francisco Perez-Sorrosal (fpsorrosal@no-spam@fi.upm.es), Alberto Paz-Jimenez (apaz@no-spam@fi.upm.es)

Constructor Summary

JGMessageManager(java.lang.String jgroupsConf, java.lang.String jgroupsGroupname, ReplicationManager replicationManager)
Constructor.

Method Summary

void	clear() Clear the GCS.
double	getAvgSizeofReplicatedMessages() Get the average size of the replicated messages sent.
long	getNumberofReplicatedMessages() Get the number of replicated messages sent.
double	getTotSizeofReplicatedMessages() Get the total size of the replicated messages sent.
java.lang.Object	handle(org.jgroups.Message message) Processes the replication messages received.
java.lang.String	jgroupsConfFileName() Get the JGroups configuration file name.
void	sendMessage(HaMessageData messageData) Sends a message.

Methods inherited from class java.lang.Object

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

Constructor Detail

JGMessageManager

public JGMessageManager(java.lang.String jgroupsConf,
                        java.lang.String jgroupsGroupname,
                        ReplicationManager replicationManager)

Constructor.

Method Detail

sendMessage

public void sendMessage(HaMessageData messageData)

Description copied from interface: MessageManager

Sends a message.

Specified by:

sendMessage in interface MessageManager

Parameters:

messageData - the message

handle

public java.lang.Object handle(org.jgroups.Message message)

Processes the replication messages received. Depending on the message's type a concrete process will be performed

Specified by:

handle in interface org.jgroups.blocks.RequestHandler

clear

public void clear()

Description copied from interface: MessageManager

Clear the GCS.

Specified by:

clear in interface MessageManager

getNumberofReplicatedMessages

public long getNumberofReplicatedMessages()

Get the number of replicated messages sent.

Specified by:

getNumberofReplicatedMessages in interface MessageManager

Returns:

the number of replicated messages

getAvgSizeofReplicatedMessages

public double getAvgSizeofReplicatedMessages()

Get the average size of the replicated messages sent.

Specified by:

getAvgSizeofReplicatedMessages in interface MessageManager

Returns:

the average size of the replicated messages sent.

getTotSizeofReplicatedMessages

public double getTotSizeofReplicatedMessages()

Get the total size of the replicated messages sent.

Specified by:

getTotSizeofReplicatedMessages in interface MessageManager

Returns:

the total size of the replicated messages

jgroupsConfFileName

public java.lang.String jgroupsConfFileName()

Get the JGroups configuration file name.

Specified by:

jgroupsConfFileName in interface MessageManager

Returns:

the JGroups configuration file name