• Skip to content
  • Skip to link menu
  • KDE API Reference
  • kdelibs-4.14.38 API Reference
  • KDE Home
  • Contact Us
 

Nepomuk

  • Nepomuk
  • Query
  • OptionalTerm
Public Member Functions | Static Public Member Functions | List of all members
Nepomuk::Query::OptionalTerm Class Reference

#include <Nepomuk/Query/OptionalTerm>

Inheritance diagram for Nepomuk::Query::OptionalTerm:
Nepomuk::Query::SimpleTerm Nepomuk::Query::Term

Public Member Functions

 OptionalTerm ()
 OptionalTerm (const OptionalTerm &term)
 ~OptionalTerm ()
OptionalTerm & operator= (const OptionalTerm &term)
Public Member Functions inherited from Nepomuk::Query::SimpleTerm
 ~SimpleTerm ()
void setSubTerm (const Term &term)
Term subTerm () const
Public Member Functions inherited from Nepomuk::Query::Term
 Term ()
 Term (const Term &other)
 ~Term ()
bool isAndTerm () const
bool isComparisonTerm () const
bool isLiteralTerm () const
bool isNegationTerm () const
bool isOptionalTerm () const
bool isOrTerm () const
bool isResourceTerm () const
bool isResourceTypeTerm () const
bool isValid () const
bool operator!= (const Term &term) const
QDebug operator<< (QDebug) const
Term & operator= (const Term &other)
bool operator== (const Term &term) const
Term optimized () const
AndTerm & toAndTerm ()
AndTerm toAndTerm () const
ComparisonTerm & toComparisonTerm ()
ComparisonTerm toComparisonTerm () const
LiteralTerm & toLiteralTerm ()
LiteralTerm toLiteralTerm () const
NegationTerm & toNegationTerm ()
NegationTerm toNegationTerm () const
OptionalTerm & toOptionalTerm ()
OptionalTerm toOptionalTerm () const
OrTerm & toOrTerm ()
OrTerm toOrTerm () const
ResourceTerm & toResourceTerm ()
ResourceTerm toResourceTerm () const
ResourceTypeTerm & toResourceTypeTerm ()
ResourceTypeTerm toResourceTypeTerm () const
QString toString () const
Type type () const

Static Public Member Functions

static Term optionalizeTerm (const Term &term)
Static Public Member Functions inherited from Nepomuk::Query::Term
static Term fromString (const QString &s)
static Term fromVariant (const Variant &variant)

Additional Inherited Members

Public Types inherited from Nepomuk::Query::Term
enum  Type {
  Invalid , Literal , Resource , And ,
  Or , Comparison , ResourceType , Negation ,
  Optional
}
Related Symbols inherited from Nepomuk::Query::Term
static Term fromProperty (const Types::Property &property, const Variant &variant)

Detailed Description

Make a term optional.

OptionalTerm can be used to mark another term as optional. This is mostly useful with subterms of type ComparisonTerm (or an AndTerm combining ComparisonTerms) which either have additional bindings (ComparisonTerm::setVariableName()) or a specified sort weight (ComparisonTerm::setSortWeight()).

Author
Sebastian Trueg trueg.nosp@m.@kde.nosp@m..org
Since
4.5

Definition at line 46 of file optionalterm.h.

Constructor & Destructor Documentation

◆ OptionalTerm() [1/2]

Nepomuk::Query::OptionalTerm::OptionalTerm ( )

Default constructor: creates an invalid optional term.

◆ OptionalTerm() [2/2]

Nepomuk::Query::OptionalTerm::OptionalTerm ( const OptionalTerm & term)

Copy constructor.

◆ ~OptionalTerm()

Nepomuk::Query::OptionalTerm::~OptionalTerm ( )

Destructor.

Member Function Documentation

◆ operator=()

OptionalTerm & Nepomuk::Query::OptionalTerm::operator= ( const OptionalTerm & term)

Assignment operator.

◆ optionalizeTerm()

Term Nepomuk::Query::OptionalTerm::optionalizeTerm ( const Term & term)
static

Mark term as optional.

This method will encasulate term in an OptionalTerm except if term is already of type OptionalTerm.

Returns
The optional term.

The documentation for this class was generated from the following file:
  • optionalterm.h
This file is part of the KDE documentation.
Documentation copyright © 1996-2025 The KDE developers.
Generated on Tue Mar 25 2025 00:00:00 by doxygen 1.14.0 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.

Nepomuk

Skip menu "Nepomuk"
  • Main Page
  • Namespace List
  • Namespace Members
  • Alphabetical List
  • Class List
  • Class Hierarchy
  • Class Members
  • File List
  • File Members
  • Related Pages

kdelibs-4.14.38 API Reference

Skip menu "kdelibs-4.14.38 API Reference"
  • DNSSD
  • Interfaces
  •   KHexEdit
  •   KMediaPlayer
  •   KSpeech
  •   KTextEditor
  • kconf_update
  • KDE3Support
  •   KUnitTest
  • KDECore
  • KDED
  • KDEsu
  • KDEUI
  • KDEWebKit
  • KDocTools
  • KFile
  • KHTML
  • KImgIO
  • KInit
  • kio
  • KIOSlave
  • KJS
  •   KJS-API
  •   WTF
  • kjsembed
  • KNewStuff
  • KParts
  • KPty
  • Kross
  • KUnitConversion
  • KUtils
  • Nepomuk
  • Plasma
  • Solid
  • Sonnet
  • ThreadWeaver
Report problems with this website to our bug tracking system.
Contact the specific authors with questions and comments about the page contents.

KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal