org.eclipse.scada.ae.server.common.event

Class EventQuerySource

java.lang.Object

org.eclipse.scada.ae.server.common.event.EventQuerySource

All Implemented Interfaces:

EventListener, SubscriptionSource<String>

public class EventQuerySource
extends Object
implements SubscriptionSource<String>, EventListener

Subscription source for events

Author:

Jens Reimann

Constructor Summary

Constructors

Constructor and Description
EventQuerySource(String id, EventQuery query)

Method Summary

Modifier and Type	Method and Description
void	addListener(Collection<SubscriptionInformation<String>> listeners)
void	handleEvent(List<Event> event) Handle the provided events
void	removeListener(Collection<SubscriptionInformation<String>> listeners)
boolean	supportsListener(SubscriptionInformation<String> information) Validate if the provided subcription information can bind to this subscription source

Methods inherited from class java.lang.Object

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

Constructor Detail

EventQuerySource

public EventQuerySource(String id,
                        EventQuery query)

Method Detail

addListener

public void addListener(Collection<SubscriptionInformation<String>> listeners)

Specified by:

addListener in interface SubscriptionSource<String>

removeListener

public void removeListener(Collection<SubscriptionInformation<String>> listeners)

Specified by:

removeListener in interface SubscriptionSource<String>

supportsListener

public boolean supportsListener(SubscriptionInformation<String> information)

Description copied from interface: SubscriptionSource

Validate if the provided subcription information can bind to this subscription source

Specified by:

supportsListener in interface SubscriptionSource<String>

Parameters:

information - The information to check

Returns:

true if the listener can bind to this event source. In this case the SubscriptionSource.addListener(Collection) method may not reject the listener.

handleEvent

public void handleEvent(List<Event> event)

Description copied from interface: EventListener

Handle the provided events

Specified by:

handleEvent in interface EventListener

Parameters:

event - the events to handle