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uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory > Class Template Reference

#include <query.hh>

List of all members.

Public Methods
TQuery &	operator= (const TQuery &rktQUERY)
void	swap (TQuery &)
Protected Methods
void	close (void)
	closes associated cursor
void	open (void)
	Opens associated cursor.
Static Protected Methods
mpcl::text::TString	_getObjectIdentifier (void)
Protected Attributes
bool	gIsDeclared
	Is true when the cursor has been declared.
bool	gIsOpened
	Is true when the cursor has been open.
long int	liCurrent
	It points to the last fetched instance. Starts at 0.
long int	liTarget
	It points to where we want to go. Starts at 0.
mpcl::util::collection::TMap< long int, value_type >	tInstanceMap
	Here we have a cache of recently fetched instances.
TString	yCursorName
	The cursor we use to fetch data.
size_type	zTupleCount
	It counts how many tuples were selected with current cursor.

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Detailed Description

template<typename TInstance, typename TDataSource, typename TObjectIdentifierFactory = mpcl::util::strategy::TIdentifierGenerator>
class uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >

This is a container-like class for queries.

Parameters:

TInstance	Type with the attributes.
TBackend	Type with the query backend methods.
TObjectIdentifierFactory	Object identifier factory class.

See also:

mpcl::util::strategy::TIdentifierGenerator, TBaseDataSource.

Definition at line 49 of file query.hh.

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Member Function Documentation

template<typename TInstance, typename TDataSource, typename TObjectIdentifierFactory = mpcl::util::strategy::TIdentifierGenerator> mpcl::text::TString uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::_getObjectIdentifier (  void    )  [inline, static, protected]

This method must generate an unique cursor name for this class, Warning: This method must be done thread safe in the future. Definition at line 246 of file query.hh. References mpcl::text::Format(). Referenced by uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::operator=().

template<typename TInstance, typename TDataSource, typename TObjectIdentifierFactory = mpcl::util::strategy::TIdentifierGenerator> TQuery& uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::operator= (  const TQuery< TInstance, TDataSource, TObjectIdentifierFactory > &    rktQUERY )  [inline]

Warning: this is an mutating sequence operation, and its semantics is unclear to me now, so I don't implement it. Definition at line 216 of file query.hh. References uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::_getObjectIdentifier(), uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::gIsDeclared, uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::gIsOpened, uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::liCurrent, uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::liTarget, uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::tInstanceMap, uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::tLastInstance, and uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::zTupleCount.

template<typename TInstance, typename TDataSource, typename TObjectIdentifierFactory = mpcl::util::strategy::TIdentifierGenerator> void uesqlc::TQuery< TInstance, TDataSource, TObjectIdentifierFactory >::swap (  TQuery< TInstance, TDataSource, TObjectIdentifierFactory > &    )  [inline]

Warning: this is an mutating sequence operation, and its semantics is unclear to me now, so I don't implement it. Definition at line 233 of file query.hh.

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

• query.hh

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