mongo::ClusteredCursor Class Reference

this is a cursor that works over a set of servers can be used in serial/paralellel as controlled by sub classes More...

#include <parallel.h>

Inheritance diagram for mongo::ClusteredCursor:

Public Member Functions
	ClusteredCursor (QueryMessage &q)
	ClusteredCursor (const string &ns, const BSONObj &q, int options=0, const BSONObj &fields=BSONObj())
void	init ()
	call before using
virtual bool	more ()=0
virtual BSONObj	next ()=0
virtual string	type () const =0
virtual BSONObj	explain ()
Static Public Member Functions
static BSONObj	concatQuery (const BSONObj &query, const BSONObj &extraFilter)
Protected Member Functions
virtual void	_init ()=0
auto_ptr< DBClientCursor >	query (const string &server, int num=0, BSONObj extraFilter=BSONObj(), int skipLeft=0, bool lazy=false)
BSONObj	explain (const string &server, BSONObj extraFilter=BSONObj())
void	_checkCursor (DBClientCursor *cursor)
	checks the cursor for any errors will throw an exceptionif an error is encountered
virtual void	_explain (map< string, list< BSONObj > > &out)=0
Static Protected Member Functions
static BSONObj	_concatFilter (const BSONObj &filter, const BSONObj &extraFilter)
Protected Attributes
string	_ns
BSONObj	_query
int	_options
BSONObj	_fields
int	_batchSize
bool	_didInit
bool	_done

Detailed Description

this is a cursor that works over a set of servers can be used in serial/paralellel as controlled by sub classes

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