VLAOnlineInput Class Reference

This class reads VLA archive records from the online computers. More...

#include <VLAOnlineInput.h>

Inheritance diagram for VLAOnlineInput:

Public Member Functions
	VLAOnlineInput (casacore::String &online, casacore::Int afiles=0)
	Create an object that reads its data from the vis-server disk An exception is thrown if a connection cannot be made. More...
virtual	~VLAOnlineInput ()
	The destructor closes the file. More...
virtual casacore::Bool	read ()
	Reads the next logical record from specified IO source. More...
Public Member Functions inherited from VLAArchiveInput
virtual	~VLAArchiveInput ()
	The destructor is virtual to ensure that the destructor in a derived class is actually used. More...
casacore::ByteSource &	logicalRecord ()
	This returns a reconstructed VLA logical record from the input stream. More...
const casacore::ByteSource &	logicalRecord () const
casacore::Bool	hasData () const
	Returns if true if the current record contains data. More...

Private Member Functions
	VLAOnlineInput (const VLAOnlineInput &other)
VLAOnlineInput &	operator= (const VLAOnlineInput &other)
casacore::String	getTodaysFile (int relDay=0)
casacore::Int	whatsToday ()

Private Attributes
casacore::Bool	onlineFill
casacore::String	visDir
casacore::Int	oldDay
casacore::Int	previousDay

Additional Inherited Members
Protected Member Functions inherited from VLAArchiveInput
	VLAArchiveInput ()
Protected Attributes inherited from VLAArchiveInput
casacore::MemoryIO	itsMemIO
casacore::ByteSinkSource	itsRecord
Static Protected Attributes inherited from VLAArchiveInput
static const casacore::uInt	BlockSize
static const casacore::uInt	HeaderSize
static const casacore::uInt	MaxBlocksPerPhysicalRecord

Detailed Description

This class reads VLA archive records from the online computers.

Prerequisite

1. The IO Module

Etymology

This class is designed to reads VLA archive records from a Disk file

Synopsis

Example

Motivation

Definition at line 73 of file VLAOnlineInput.h.

Constructor & Destructor Documentation

VLAOnlineInput::VLAOnlineInput	(	casacore::String &	online,
		casacore::Int	afiles = 0
	)

Create an object that reads its data from the vis-server disk An exception is thrown if a connection cannot be made.

virtual VLAOnlineInput::~VLAOnlineInput ( )

virtual

The destructor closes the file.

VLAOnlineInput::VLAOnlineInput ( const VLAOnlineInput &  other )

private

Member Function Documentation

casacore::String VLAOnlineInput::getTodaysFile ( int  relDay = 0 )

private

VLAOnlineInput& VLAOnlineInput::operator= ( const VLAOnlineInput &  other )

private

virtual casacore::Bool VLAOnlineInput::read ( )

virtual

Reads the next logical record from specified IO source.

Returns false if there was a problem assembling the next record ie., it returns the value of the hasData() member function.

Implements VLAArchiveInput.

casacore::Int VLAOnlineInput::whatsToday ( )

private

Member Data Documentation

casacore::Int VLAOnlineInput::oldDay

private

Definition at line 98 of file VLAOnlineInput.h.

casacore::Bool VLAOnlineInput::onlineFill

private

Definition at line 96 of file VLAOnlineInput.h.

casacore::Int VLAOnlineInput::previousDay

private

Definition at line 99 of file VLAOnlineInput.h.

casacore::String VLAOnlineInput::visDir

private

Definition at line 97 of file VLAOnlineInput.h.

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

• casa/code/nrao/VLA/VLAOnlineInput.h