Chert::PostlistChunkReader Class Reference

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

Collaboration diagram for Chert::PostlistChunkReader:

Public Member Functions
	PostlistChunkReader (Xapian::docid first_did, const string &data_)
	Initialise the postlist chunk reader. More...
Xapian::docid	get_docid () const
Xapian::termcount	get_wdf () const
bool	is_at_end () const
void	next ()
	Advance to the next entry. More...

Private Attributes
string	data
const char *	pos
const char *	end
bool	at_end
Xapian::docid	did
Xapian::termcount	wdf

Detailed Description

PostlistChunkReader is essentially an iterator wrapper around a postlist chunk.

It simply iterates through the entries in a postlist.

Definition at line 253 of file chert_postlist.cc.

Constructor & Destructor Documentation

PostlistChunkReader()

Chert::PostlistChunkReader::PostlistChunkReader ( 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 270 of file chert_postlist.cc.

References read_wdf().

Member Function Documentation

get_docid()

Xapian::docid Chert::PostlistChunkReader::get_docid ( ) const

inline

Definition at line 276 of file chert_postlist.cc.

Referenced by ChertPostListTable::merge_changes().

get_wdf()

Xapian::termcount Chert::PostlistChunkReader::get_wdf ( ) const

inline

Definition at line 279 of file chert_postlist.cc.

Referenced by ChertPostListTable::merge_changes().

is_at_end()

bool Chert::PostlistChunkReader::is_at_end ( ) const

inline

Definition at line 283 of file chert_postlist.cc.

References ChertTable::next().

Referenced by ChertPostListTable::merge_changes().

next()

void PostlistChunkReader::next

(

)

Advance to the next entry.

Set at_end if we run off the end.

Definition at line 295 of file chert_postlist.cc.

References read_did_increase(), and read_wdf().

Referenced by ChertPostListTable::merge_changes().

Member Data Documentation

at_end

bool Chert::PostlistChunkReader::at_end

private

Definition at line 259 of file chert_postlist.cc.

data

string Chert::PostlistChunkReader::data

private

Definition at line 254 of file chert_postlist.cc.

did

Xapian::docid Chert::PostlistChunkReader::did

private

Definition at line 261 of file chert_postlist.cc.

end

const char* Chert::PostlistChunkReader::end

private

Definition at line 257 of file chert_postlist.cc.

pos

const char* Chert::PostlistChunkReader::pos

private

Definition at line 256 of file chert_postlist.cc.

wdf

Xapian::termcount Chert::PostlistChunkReader::wdf

private

Definition at line 262 of file chert_postlist.cc.

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

• backends/chert/chert_postlist.cc