QPostlistChunkReader Class Reference

QPostlistChunkReader is essentially an iterator wrapper around a postlist chunk. More...

List of all members.

Public Member Functions
	QPostlistChunkReader (Xapian::docid first_did, const string &data_)
	Initialise the postlist chunk reader.
Xapian::docid	get_docid () const
Xapian::termcount	get_wdf () const
quartz_doclen_t	get_doclength () const
bool	is_at_end () const
void	next ()
	Advance to the next entry.
Private Attributes
string	data
const char *	pos
const char *	end
bool	at_end
Xapian::docid	did
Xapian::termcount	wdf
quartz_doclen_t	doclength

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Detailed Description

QPostlistChunkReader is essentially an iterator wrapper around a postlist chunk.

It simply iterates through the entries in a postlist.

Definition at line 274 of file quartz_postlist.cc.

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Constructor & Destructor Documentation

QPostlistChunkReader::QPostlistChunkReader	(	Xapian::docid	first_did,
		const string &	data_
	)			[inline]

Initialise the postlist chunk reader.

Parameters:

	first_did	First document id in this chunk.
	data	The tag string with the header removed.

Definition at line 281 of file quartz_postlist.cc.

References read_wdf_and_length().

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Member Function Documentation

Xapian::docid QPostlistChunkReader::get_docid

(

)

const [inline]

Definition at line 287 of file quartz_postlist.cc.

Referenced by QuartzPostListTable::merge_changes().

Xapian::termcount QPostlistChunkReader::get_wdf

(

)

const [inline]

Definition at line 290 of file quartz_postlist.cc.

Referenced by QuartzPostListTable::merge_changes().

quartz_doclen_t QPostlistChunkReader::get_doclength

(

)

const [inline]

Definition at line 293 of file quartz_postlist.cc.

Referenced by QuartzPostListTable::merge_changes().

bool QPostlistChunkReader::is_at_end

(

)

const [inline]

Definition at line 297 of file quartz_postlist.cc.

Referenced by QuartzPostListTable::merge_changes().

void QPostlistChunkReader::next

(

)

Advance to the next entry.

Set at_end if we run off the end.

Definition at line 319 of file quartz_postlist.cc.

References at_end, did, doclength, end, pos, read_did_increase(), read_wdf_and_length(), and wdf.

Referenced by QuartzPostListTable::merge_changes().

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Member Data Documentation

string QPostlistChunkReader::data [private]

Definition at line 306 of file quartz_postlist.cc.

const char* QPostlistChunkReader::pos [private]

Definition at line 308 of file quartz_postlist.cc.

Referenced by next().

const char* QPostlistChunkReader::end [private]

Definition at line 309 of file quartz_postlist.cc.

Referenced by next().

bool QPostlistChunkReader::at_end [private]

Definition at line 311 of file quartz_postlist.cc.

Referenced by next().

Xapian::docid QPostlistChunkReader::did [private]

Definition at line 313 of file quartz_postlist.cc.

Referenced by next().

Xapian::termcount QPostlistChunkReader::wdf [private]

Definition at line 314 of file quartz_postlist.cc.

Referenced by next().

quartz_doclen_t QPostlistChunkReader::doclength [private]

Definition at line 315 of file quartz_postlist.cc.

Referenced by next().

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

• backends/quartz/quartz_postlist.cc

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