org.lsst.ccs.messaging

Class StateBundleAggregator

java.lang.Object

org.lsst.ccs.messaging.StateBundleAggregator

All Implemented Interfaces:

MessageListener, StatusMessageListener

public class StateBundleAggregator
extends Object
implements StatusMessageListener

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	StateBundleAggregator.Observer

Constructor Summary

Constructors

Constructor and Description
StateBundleAggregator()

Method Summary

Modifier and Type	Method and Description
void	addObserver(StateBundleAggregator.Observer o)
void	addOrigin(String origin)
void	deleteObserver(StateBundleAggregator.Observer o)
StateBundle	getState(String origin)
Map<String,StateBundle>	getStates()
void	notifyObservers(String origin, StateBundle old, StateBundle change)
void	onStatusMessage(StatusMessage msg) Called when the message is received.

Methods inherited from class java.lang.Object

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

Constructor Detail

StateBundleAggregator

public StateBundleAggregator()

Method Detail

addOrigin

public void addOrigin(String origin)

onStatusMessage

public void onStatusMessage(StatusMessage msg)

Description copied from interface: StatusMessageListener

Called when the message is received. The implementation should be thread-safe: the framework makes no guarantees on what thread this method will be called on, and it can be called concurrently for several messages.

Specified by:

onStatusMessage in interface StatusMessageListener

Parameters:

msg - Status bus message to be processed.

addObserver

public void addObserver(StateBundleAggregator.Observer o)

deleteObserver

public void deleteObserver(StateBundleAggregator.Observer o)

notifyObservers

public void notifyObservers(String origin,
                            StateBundle old,
                            StateBundle change)

getState

public StateBundle getState(String origin)

getStates

public Map<String,StateBundle> getStates()