org.codice.ddf.persistence.events

Class AlertListener

java.lang.Object

org.codice.ddf.persistence.events.AlertListener

All Implemented Interfaces:

org.osgi.service.event.EventHandler

public class AlertListener
extends Object
implements org.osgi.service.event.EventHandler

AlertListener is a kind of Decanter alerter. It listens for alerts on the decanter/alert/* topic and persists the alerts to solr. Alerts from the same host and source are merged into one solr entry.

Constructor Summary

Constructors

Constructor and Description
AlertListener(PersistentStore persistentStore)

Method Summary

Modifier and Type	Method and Description
void	handleEvent(org.osgi.service.event.Event event) Processes alert events and stores them in the persistent store.
void	init()

Methods inherited from class java.lang.Object

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

Constructor Detail

AlertListener

public AlertListener(PersistentStore persistentStore)

Method Detail

init

public void init()
          throws UnknownHostException

Throws:

UnknownHostException

handleEvent

public void handleEvent(org.osgi.service.event.Event event)
                 throws IllegalArgumentException

Processes alert events and stores them in the persistent store. Because this handler 'squashes' alerts into one entry it needs to be synchronized to be thread safe.

Specified by:

handleEvent in interface org.osgi.service.event.EventHandler

Parameters:

event - The osgi alert event

Throws:

IllegalArgumentException