code::LBDataProvider Class Reference

List of all members.

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Detailed Description

The LBDataProvider will constantly read next message in a lb which contains data.

Author:

Lulin Song

Version:

Id

LBDataProvider.h,v 1.5 2009/06/02 20:17:41 lakshman Exp

Public Member Functions
	LBDataProvider (const code::URL &lbName, bool readAllMessages)
	Constructor: Will keep a lb in open mode and constanly read this lb using readData() method.
virtual	~LBDataProvider ()
void	readAndProcessData (size_t msgId, int msgLen)
	Read msgLen data at msgId from lb.
virtual int	readData ()
	Reads data from the linear buffer returns number of bytes read from one message.
Protected Attributes
code::LinearBuffer	lb
code::URL	lbName
bool	readEntireLB
size_t	lastReadMsgId

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Constructor & Destructor Documentation

code::LBDataProvider::LBDataProvider	(	const code::URL &	lbName,
		bool	readAllMessages
	)

Constructor: Will keep a lb in open mode and constanly read this lb using readData() method.

virtual code::LBDataProvider::~LBDataProvider

(

)

[virtual]

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Member Function Documentation

void code::LBDataProvider::readAndProcessData	(	size_t	msgId,
		int	msgLen
	)

Read msgLen data at msgId from lb.

Convert data to netcdf files.

virtual int code::LBDataProvider::readData

(

)

[virtual]

Reads data from the linear buffer returns number of bytes read from one message.

Typically, you will keep calling readData() indefinitely in real-time, and until it returns zero for archive.

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Member Data Documentation

size_t code::LBDataProvider::lastReadMsgId [protected]

code::LinearBuffer code::LBDataProvider::lb [protected]

code::URL code::LBDataProvider::lbName [protected]

bool code::LBDataProvider::readEntireLB [protected]

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