Interface for a viewer of a statistics message (distributed index) More...

Public Member Functions
virtual	~StatisticsViewerInterface ()
	Destructor. More...

virtual int	nofDocumentsInsertedChange ()=0
	Fetch the change of the number of document inserted. More...

virtual bool	nextDfChange (TermStatisticsChange &rec)=0
	Fetch the next message propagating a change in the df (document frequency) More...

Detailed Description

Interface for a viewer of a statistics message (distributed index)

Constructor & Destructor Documentation

virtual strus::StatisticsViewerInterface::~StatisticsViewerInterface ( )

inlinevirtual

Destructor.

virtual bool strus::StatisticsViewerInterface::nextDfChange ( TermStatisticsChange & rec )

pure virtual

Fetch the next message propagating a change in the df (document frequency)

Parameters

[out] the record describing the document frequency change

Returns: false, if there is no record left and wqe are at the end of the message

virtual int strus::StatisticsViewerInterface::nofDocumentsInsertedChange ( )

pure virtual

Fetch the change of the number of document inserted.

Returns: the increment positive or negative (decrement) value of the local change of the collection size

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