mongo::MultiCursor Class Reference

#include <queryoptimizer.h>

Inheritance diagram for mongo::MultiCursor:

Classes
class	CursorOp
class	NoOp
Public Member Functions
virtual Record *	_current ()
virtual bool	advance ()
virtual void	checkLocation ()
virtual BSONObj	current ()
virtual BSONObj	currKey () const
virtual DiskLoc	currLoc ()
virtual bool	getsetdup (DiskLoc loc)
virtual bool	isMultiKey () const
virtual CoveredIndexMatcher *	matcher () const
virtual bool	modifiedKeys () const
	MultiCursor (auto_ptr< MultiPlanScanner > mps, const shared_ptr< Cursor > &c, const shared_ptr< CoveredIndexMatcher > &matcher, const QueryOp &op)
	MultiCursor (const char *ns, const BSONObj &pattern, const BSONObj &order, shared_ptr< CursorOp > op=shared_ptr< CursorOp >(), bool mayYield=false)
virtual void	noteLocation ()
virtual long long	nscanned ()
virtual bool	ok ()
virtual DiskLoc	refLoc ()
shared_ptr< Cursor >	sub_c () const
virtual bool	supportGetMore ()
virtual bool	supportYields ()
Private Member Functions
void	nextClause ()
Private Attributes
shared_ptr< Cursor >	_c
shared_ptr< CoveredIndexMatcher >	_matcher
auto_ptr< MultiPlanScanner >	_mps
long long	_nscanned
shared_ptr< CursorOp >	_op

Detailed Description

Definition at line 326 of file queryoptimizer.h.

Constructor & Destructor Documentation

mongo::MultiCursor::MultiCursor	(	const char *	ns,
		const BSONObj &	pattern,
		const BSONObj &	order,
		shared_ptr< CursorOp >	op = `shared_ptr< CursorOp >()`,
		bool	mayYield = `false`
	)			`[inline]`

Definition at line 335 of file queryoptimizer.h.

mongo::MultiCursor::MultiCursor	(	auto_ptr< MultiPlanScanner >	mps,
		const shared_ptr< Cursor > &	c,
		const shared_ptr< CoveredIndexMatcher > &	matcher,
		const QueryOp &	op
	)			`[inline]`

Definition at line 354 of file queryoptimizer.h.

Member Function Documentation

virtual Record* mongo::MultiCursor::_current ( ) [inline, virtual]

Implements mongo::Cursor.

Definition at line 364 of file queryoptimizer.h.

virtual bool mongo::MultiCursor::advance ( ) [inline, virtual]

Implements mongo::Cursor.

Definition at line 367 of file queryoptimizer.h.

virtual void mongo::MultiCursor::checkLocation ( ) [inline, virtual]

Reimplemented from mongo::Cursor.

Definition at line 379 of file queryoptimizer.h.

virtual BSONObj mongo::MultiCursor::current ( ) [inline, virtual]

Implements mongo::Cursor.

Definition at line 365 of file queryoptimizer.h.

virtual BSONObj mongo::MultiCursor::currKey ( ) const [inline, virtual]

Reimplemented from mongo::Cursor.

Definition at line 374 of file queryoptimizer.h.

virtual DiskLoc mongo::MultiCursor::currLoc ( ) [inline, virtual]

Implements mongo::Cursor.

Definition at line 366 of file queryoptimizer.h.

virtual bool mongo::MultiCursor::getsetdup ( DiskLoc loc ) [inline, virtual]

Implements mongo::Cursor.

Definition at line 388 of file queryoptimizer.h.

virtual bool mongo::MultiCursor::isMultiKey ( ) const [inline, virtual]

Implements mongo::Cursor.

Definition at line 394 of file queryoptimizer.h.

virtual CoveredIndexMatcher* mongo::MultiCursor::matcher ( ) const [inline, virtual]

Reimplemented from mongo::Cursor.

Definition at line 396 of file queryoptimizer.h.

virtual bool mongo::MultiCursor::modifiedKeys ( ) const [inline, virtual]

return true if the keys in the index have been modified from the main doc if you have { a : 1 , b : [ 1 , 2 ] } an index on { a : 1 } would not be modified an index on { b : 1 } would be since the values of the array are put in the index not the array

Implements mongo::Cursor.

Definition at line 392 of file queryoptimizer.h.

void mongo::MultiCursor::nextClause ( ) [inline, private]

Definition at line 413 of file queryoptimizer.h.

virtual void mongo::MultiCursor::noteLocation ( ) [inline, virtual]

Reimplemented from mongo::Cursor.

Definition at line 376 of file queryoptimizer.h.

virtual long long mongo::MultiCursor::nscanned ( ) [inline, virtual]

Implements mongo::Cursor.

Definition at line 398 of file queryoptimizer.h.

virtual bool mongo::MultiCursor::ok ( ) [inline, virtual]

Implements mongo::Cursor.