lccd::IConditionsHandler Class Reference

Abstract handler for conditions data. More...

#include <IConditionsHandler.hh>

Inheritance diagram for lccd::IConditionsHandler:

List of all members.

Public Member Functions
virtual void	updateEvent (lcio::LCEvent *evt)=0
	Retrieves the new conditions data if required by evt->getTimestamp() and adds a collection to event with its name.
virtual void	update (LCCDTimeStamp timestamp)=0
	Retrieves the new conditions data if required by timestamp.
virtual lcio::LCCollection *	currentCollection ()=0
	Returns the current collection of conditions data.
virtual void	registerChangeListener (IConditionsChangeListener *cl)=0
	Every IConditionsChangeListener will be notified if the conditions data of this instance has changed.
virtual void	removeChangeListener (IConditionsChangeListener *cl)=0
	Remove the specified listener from list of registered listeners ;.
virtual const std::string	name ()=0
	The name of this conditions handler - used, e.g.
virtual LCCDTimeStamp	validSince ()=0
	First timestamp for which the current conditions data is valid.
virtual LCCDTimeStamp	validTill ()=0
	Last timestamp for which the current conditions data is valid.

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Detailed Description

Abstract handler for conditions data.

Need one implementation instance for every data set. Check documentation of concrete implemetation for behaviour on update, e.g. a simple file handler might ignore calls to update and allways hold the same data set.

Author:

F.Gaede, DESY

Version:

Id

IConditionsHandler.hh,v 1.2 2005/02/22 18:55:22 gaede Exp

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Member Function Documentation

virtual const std::string lccd::IConditionsHandler::name (   )  [pure virtual]

The name of this conditions handler - used, e.g. as name of the collection in update( lcio::LCEvent* evt ). See also: update( lcio::LCEvent* evt ) Implemented in lccd::ConditionsHandlerBase.

virtual void lccd::IConditionsHandler::update (  LCCDTimeStamp  timestamp  )  [pure virtual]

Retrieves the new conditions data if required by timestamp. Notifies all registered listeners See implementation classes for details. Implemented in lccd::ConditionsHandlerBase, lccd::DataFileHandler, lccd::DBCondHandler, lccd::DBFileHandler, and lccd::SimpleFileHandler.

virtual void lccd::IConditionsHandler::updateEvent (  lcio::LCEvent *  evt  )  [pure virtual]

Retrieves the new conditions data if required by evt->getTimestamp() and adds a collection to event with its name. Notifies all registered listeners Implemented in lccd::ConditionsHandlerBase, and lccd::DataFileHandler.

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

• IConditionsHandler.hh

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