org.wso2.broker.coordination

Class AbstractHaStrategy

java.lang.Object

org.wso2.broker.coordination.AbstractHaStrategy

All Implemented Interfaces:

HaStrategy

Direct Known Subclasses:

RdbmsHaStrategy

public abstract class AbstractHaStrategy
extends Object
implements HaStrategy

Abstract class representing default implementations of HA strategy.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOGGER Class logger.

Constructor Summary

Constructors

Constructor and Description
AbstractHaStrategy()

Method Summary

Modifier and Type	Method and Description
protected void	notifyBecameActiveNode() Method to notify becoming the active node to all listeners.
protected void	notifyBecamePassiveNode() Method to notify becoming the passive node to all listeners.
void	registerListener(HaListener haListener, int priority) Method to register a listener to listen on notifications for node state changes with priority level.
void	stop() Meant to be invoked when the HaStrategy should stop.
void	unregisterListener(HaListener haListener) Method to unregister a listener registered to listen on notifications for node state changes.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.wso2.broker.coordination.HaStrategy

isActiveNode, setup, start

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

Class logger.

Constructor Detail

AbstractHaStrategy

public AbstractHaStrategy()

Method Detail

registerListener

public void registerListener(HaListener haListener,
                             int priority)

Method to register a listener to listen on notifications for node state changes with priority level.

Specified by:

registerListener in interface HaStrategy

Parameters:

haListener - the HaListener to register

priority - the priority level when notifying node state changes to the haListener

unregisterListener

public void unregisterListener(HaListener haListener)

Method to unregister a listener registered to listen on notifications for node state changes.

Specified by:

unregisterListener in interface HaStrategy

Parameters:

haListener - the HaListener to unregister

notifyBecameActiveNode

protected void notifyBecameActiveNode()

Method to notify becoming the active node to all listeners.

notifyBecamePassiveNode

protected void notifyBecamePassiveNode()

Method to notify becoming the passive node to all listeners.

stop

public void stop()

Meant to be invoked when the HaStrategy should stop.

Specified by:

stop in interface HaStrategy