cgl.hpsearch.shell.narada
Class NBPerfData

java.lang.Object
  cgl.hpsearch.shell.narada.NBPerfData

All Implemented Interfaces:

NBEventListener

public class NBPerfData

extends Object

implements NBEventListener

Constructor Summary

NBPerfData(String host, String port)
Create a Connection to some broker and subscribe as a listener of the topic NB_PERFORMANCE_DATA_TOPIC.

Method Summary

String[]	getLinks(String nodeId)
String[]	getNodes()
void	insertUpdateRecord(String data) Adds the data to a DOM Tree
void	onEvent(NBEvent nbEvent) Registers the data in the DOM-Tree / Vector when an event is received
void	printTree()
String[]	query(String xpathQuery)
boolean	startReceivingEvents() Starts listening on the topic specified by NB_PERFORMANCE_DATA_TOPIC
boolean	stopReceivingEvents() Stops listening on the topic specified by NB_PERFORMANCE_DATA_TOPIC

Methods inherited from class java.lang.Object

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

Constructor Detail

NBPerfData

public NBPerfData(String host,
                  String port)

Create a Connection to some broker and subscribe as a listener of the topic NB_PERFORMANCE_DATA_TOPIC.

Parameters:

host - - String representing the host of the broker to connect to

port - - String representing the port on which the broker is listening

Method Detail

stopReceivingEvents

public boolean stopReceivingEvents()

Stops listening on the topic specified by NB_PERFORMANCE_DATA_TOPIC

Returns:

true if success, false otherwise

startReceivingEvents

public boolean startReceivingEvents()

Starts listening on the topic specified by NB_PERFORMANCE_DATA_TOPIC

Returns:

true if success, false otherwise

onEvent

public void onEvent(NBEvent nbEvent)

Registers the data in the DOM-Tree / Vector when an event is received

Specified by:

onEvent in interface NBEventListener

See Also:

NBEventListener.onEvent(cgl.narada.event.NBEvent)

getNodes

public String[] getNodes()

getLinks

public String[] getLinks(String nodeId)

query

public String[] query(String xpathQuery)

insertUpdateRecord

public void insertUpdateRecord(String data)

Adds the data to a DOM Tree

Parameters:

data - XML String containaing to data.

printTree

public void printTree()