cern::laser::client::impl::services::selection::HeartbeatHelper Class Reference

List of all members.

Public Member Functions
	HeartbeatHelper (AlarmSelectionListener selectionListener) throws LaserException
void	startHeartbeatCheck () throws LaserException
void	stopHeartbeatCheck () throws LaserException
void	onException (MOMException e)
Private Member Functions
void	initHeartbeatCheck () throws LaserException, LaserConnectionException
SubscriptionListener	getHeartbeatListener ()
TimerTask	createHeartbeatTimerTask ()
void	checkHeartbeat ()
synchronized void	resetHeartbeatReceptionTime ()
synchronized long	getHeartbeatReceptionTime ()
synchronized void	setHeartbeatReceived (boolean value)
synchronized boolean	isHeartbeatReceived ()
Subscriber	getSubscriber () throws LaserException
Private Attributes
SubscriptionListener	heartbeatListener = null
AlarmSelectionListener	selectionListener = null
Timer	timer = null
String	heartbeatTopic = null
long	heartbeatFrequency = -1
long	heartbeatCheckFrequency = -1
boolean	heartbeatReceived = false
long	heartbeatReceptionTime = -1
Subscriber	cmwSubscriber
boolean	cmwConnected = true
AlarmService	m_laser
Static Private Attributes
final Logger	LOGGER = Logger.getLogger(HeartbeatHelper.class.getName())
final String	HEARTBEAT_PROPERTY = "HEARTBEAT"
final String	SQL_FILTER = "HEARTBEAT = TRUE"

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Detailed Description

This class subscribes to the heartbeat from the business layer and verifies that it arrives in time. If it doesn't the AlarmSelectionListener is informed. It is a helper class for the AlarmSelectionHandler.

Version:

Revision

1.5

Date

2006/09/25 08:52:36

Author:

Katarina Sigerud

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Constructor & Destructor Documentation

cern::laser::client::impl::services::selection::HeartbeatHelper::HeartbeatHelper (  AlarmSelectionListener  selectionListener  )  throws LaserException [inline]

Parameters: sessionEJB  Exceptions: LaserException  LaserException  LaserConnectionException

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Member Function Documentation

void cern::laser::client::impl::services::selection::HeartbeatHelper::checkHeartbeat (   )  [inline, private]

TimerTask cern::laser::client::impl::services::selection::HeartbeatHelper::createHeartbeatTimerTask (   )  [inline, private]

SubscriptionListener cern::laser::client::impl::services::selection::HeartbeatHelper::getHeartbeatListener (   )  [inline, private]

synchronized long cern::laser::client::impl::services::selection::HeartbeatHelper::getHeartbeatReceptionTime (   )  [inline, private]

Subscriber cern::laser::client::impl::services::selection::HeartbeatHelper::getSubscriber (   )  throws LaserException [inline, private]

void cern::laser::client::impl::services::selection::HeartbeatHelper::initHeartbeatCheck (   )  throws LaserException, LaserConnectionException [inline, private]

Exceptions: LaserException  LaserConnectionException

synchronized boolean cern::laser::client::impl::services::selection::HeartbeatHelper::isHeartbeatReceived (   )  [inline, private]

void cern::laser::client::impl::services::selection::HeartbeatHelper::onException (  MOMException  e  )  [inline]

synchronized void cern::laser::client::impl::services::selection::HeartbeatHelper::resetHeartbeatReceptionTime (   )  [inline, private]

synchronized void cern::laser::client::impl::services::selection::HeartbeatHelper::setHeartbeatReceived (  boolean  value  )  [inline, private]

void cern::laser::client::impl::services::selection::HeartbeatHelper::startHeartbeatCheck (   )  throws LaserException [inline]

void cern::laser::client::impl::services::selection::HeartbeatHelper::stopHeartbeatCheck (   )  throws LaserException [inline]

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Member Data Documentation

boolean cern::laser::client::impl::services::selection::HeartbeatHelper::cmwConnected = true [private]

Subscriber cern::laser::client::impl::services::selection::HeartbeatHelper::cmwSubscriber [private]

final String cern::laser::client::impl::services::selection::HeartbeatHelper::HEARTBEAT_PROPERTY = "HEARTBEAT" [static, private]

long cern::laser::client::impl::services::selection::HeartbeatHelper::heartbeatCheckFrequency = -1 [private]

long cern::laser::client::impl::services::selection::HeartbeatHelper::heartbeatFrequency = -1 [private]

SubscriptionListener cern::laser::client::impl::services::selection::HeartbeatHelper::heartbeatListener = null [private]

boolean cern::laser::client::impl::services::selection::HeartbeatHelper::heartbeatReceived = false [private]

long cern::laser::client::impl::services::selection::HeartbeatHelper::heartbeatReceptionTime = -1 [private]

String cern::laser::client::impl::services::selection::HeartbeatHelper::heartbeatTopic = null [private]

final Logger cern::laser::client::impl::services::selection::HeartbeatHelper::LOGGER = Logger.getLogger(HeartbeatHelper.class.getName()) [static, private]

AlarmService cern::laser::client::impl::services::selection::HeartbeatHelper::m_laser [private]

AlarmSelectionListener cern::laser::client::impl::services::selection::HeartbeatHelper::selectionListener = null [private]

final String cern::laser::client::impl::services::selection::HeartbeatHelper::SQL_FILTER = "HEARTBEAT = TRUE" [static, private]

Timer cern::laser::client::impl::services::selection::HeartbeatHelper::timer = null [private]

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The documentation for this class was generated from the following file:

• HeartbeatHelper.java

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