An implementation of the DataReader for raw data. More...

Inheritance diagram for RawDataReaderEA3:

Public Member Functions
	RawDataReaderEA3 (Index &index, RawDataReader::PrvData *data)
	Constructor.

virtual	~RawDataReaderEA3 ()
	Destructor.

virtual const RawValue::Data *	find (const stdString &channel_name, const epicsTime *start)
	Locate data.

virtual const std::string &	getName () const
	Name of the channel, i.e. the one passed to find()

virtual const RawValue::Data *	next ()
	Obtain the next value.

virtual const RawValue::Data *	get () const
	Current value.

virtual DbrType	getType () const
	The dbr_time_xxx type.

virtual DbrCount	getCount () const
	array size

virtual const CtrlInfo &	getInfo () const
	The meta information for the channel.

virtual bool	changedType ()
	next() updates this if dbr_type/count changed.

virtual bool	changedInfo ()
	next() updates this if ctrl_info changed.

void	read (DbrType type, DbrCount count, size_t size, RawValue::Data value, class DataFile datafile, FileOffset offset)
	Read a value from binary file. More...

Public Member Functions inherited from DataReader
void	toString (stdString &text) const
	Convert current value to string. More...

Detailed Description

An implementation of the DataReader for raw data.

It reads the original samples from a 'full' index. No averaging, no support for 'shallow' indices.

Member Function Documentation

Read a value from binary file.

size: pre-calculated from type, count.

Exceptions

GenericException on error.

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

/home/malitsky/projects/epics-archiver/sourceforge/trunk/ea4-cpp/include/classic/storage/RawDataReaderEA3.h