Structure holding the statistics of a term to be used in a query. More...

Public Member Functions
	TermStatistics ()
	Constructor. More...

	TermStatistics (GlobalCounter df_)
	Constructor. More...

	TermStatistics (const TermStatistics &o)
	Copy constructor. More...

GlobalCounter	df () const
	Get the global document frequency. More...

void	set_df (GlobalCounter df_)
	Set the global document frequency for a term in a query evaluation. More...

Detailed Description

Structure holding the statistics of a term to be used in a query.

Note: If values of this structure are undefined, then the storage values are used

Constructor & Destructor Documentation

strus::TermStatistics::TermStatistics ( )

inline

Constructor.

strus::TermStatistics::TermStatistics ( GlobalCounter df_ )

inline

Constructor.

strus::TermStatistics::TermStatistics ( const TermStatistics & o )

inline

Copy constructor.

GlobalCounter strus::TermStatistics::df ( ) const

inline

Get the global document frequency.

Returns: the global document frequency or -1 for undefined, if undefined then the value cache for the global dfs in the document frequency or what is stored in the local storage)

void strus::TermStatistics::set_df ( GlobalCounter df_ )

inline

Set the global document frequency for a term in a query evaluation.

Parameters

[in] df_ the document frequency value to use

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