Query< RES >::Builder Class Reference

#include "common/query.hpp"

Description

template<class RES>
class lumiera::Query< RES >::Builder

Helper for establishing, reworking and remolding queries.

Definition at line 456 of file query.hpp.

Public Member Functions
	operator Query< RES > ()
	when done with defining or reworking the query, the result may be retrieved by type conversion
string	asKey () const
string	extractID (Symbol predicate) const
	extract an ID term defined as (single) parameter for the given predicate.
Builder &	removeTerm (Symbol termPredicate)
	remove the first term from this query definition, which matches the given predicate symbol
Builder &	withConditions (string additionalQueryPredicates)
Builder &	prependConditions (string additionalQueryPredicates)
Builder &	fromText (string queryPredicates)

Friends
class	Query< RES >

Private Member Functions
	Builder (QueryID kind, string baseDef="")

Private Attributes
QueryID	typeID_
string	predicateForm_

Constructor & Destructor Documentation

Builder()

template<class RES >

Builder ( QueryID  kind, string  baseDef = ""  )

inlineprivate

Definition at line 461 of file query.hpp.

Member Function Documentation

operator Query< RES >()

template<class RES >

operator Query< RES > ( )

inline

when done with defining or reworking the query, the result may be retrieved by type conversion

Definition at line 472 of file query.hpp.

asKey()

template<class RES >

string asKey ( ) const

inline

Returns

a string representation usable for hashing

Note

includes the type parameter of the underlying query

Definition at line 482 of file query.hpp.

Referenced by DefsManager::operator()().

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extractID()

template<class RES >

string extractID ( Symbol  predicate ) const

inline

extract an ID term defined as (single) parameter for the given predicate.

E.g. when using the query "foo(a), bar(b)", extractID("bar") returns "b"

Parameters

predicate

symbol of the predicate to investigate

Warning

preliminary implementation

Definition at line 496 of file query.hpp.

References lib::query::extractID().

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removeTerm()

template<class RES >

Builder & removeTerm ( Symbol  termPredicate )

inline

remove the first term from this query definition, which matches the given predicate symbol

Warning

preliminary implementation

Definition at line 507 of file query.hpp.

References lib::query::removeTerm().

Referenced by steam::mobject::_mapping::build_corresponding_sourceQuery(), MockTable::fabricate_Sequence_on_demand(), MockTable::fabricate_Timeline_on_demand(), and LookupPreconfigured::try_special_case().

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withConditions()

template<class RES >

Builder & withConditions ( string  additionalQueryPredicates )

inline

Definition at line 514 of file query.hpp.

References lib::query::appendTerms().

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prependConditions()

template<class RES >

Builder & prependConditions ( string  additionalQueryPredicates )

inline

Definition at line 522 of file query.hpp.

References lib::query::appendTerms().

Referenced by MockTable::fabricate_Sequence_on_demand(), and MockTable::fabricate_Timeline_on_demand().

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fromText()

template<class RES >

Builder & fromText ( string  queryPredicates )

inline

Definition at line 530 of file query.hpp.

Referenced by QueryKey::operator Query< RES >().

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Member Data Documentation

typeID_

template<class RES >

QueryID typeID_

private

Definition at line 458 of file query.hpp.

predicateForm_

template<class RES >

string predicateForm_

private

Definition at line 459 of file query.hpp.

Friends And Related Symbol Documentation

Query< RES >

template<class RES >

friend class Query< RES >

friend

Definition at line 461 of file query.hpp.

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

• query.hpp