org.eclipse.scada.core.subscription

Interface SubscriptionListener

All Known Subinterfaces:

DataItemSubscriptionListener

All Known Implementing Classes:

SessionCommon

public interface SubscriptionListener

A basic subscription listener that acts as a base interface for all subscriptions.

Method Summary

Methods

Modifier and Type	Method and Description
void	updateStatus(Object topic, SubscriptionState subscriptionState) The subscription status update method.

Method Detail

updateStatus

void updateStatus(Object topic,
                SubscriptionState subscriptionState)

The subscription status update method. It is called by the SubscriptionSource whenever the subscription changed.

Parameters:

topic - The topic that is notified

subscriptionState - The new status of the subscription