QIfServiceInterface Class

Defines the interface for services. More...

Header: #include <QIfServiceInterface>
qmake: QT += interfaceframework
Inherited By:


Public Functions

virtual ~QIfServiceInterface()
virtual QIfFeatureInterface *interfaceInstance(const QString &interfaceName) const = 0
virtual QStringList interfaces() const = 0
T qif_interface_cast(QObject *backend)

Detailed Description

The QIfServiceInterface class defines the interface for services registered with QIfServiceManager.

Typically, service objects inherit the concrete class, QIfServiceObject, instead of using QIfServiceInterface directly.

See also QIfServiceObject.

Member Function Documentation

[virtual noexcept] QIfServiceInterface::~QIfServiceInterface()

Destructs the QIfServiceInterface instance.

[pure virtual] QIfFeatureInterface *QIfServiceInterface::interfaceInstance(const QString &interfaceName) const

Returns an object implementing the service interface requested through interfaceName.

[pure virtual] QStringList QIfServiceInterface::interfaces() const

Returns a list of service interface names supported by the service object instance.

Related Non-Members

template <typename T> T qif_interface_cast(QObject *backend)

Casts the given backend to the interface type T.

When implementing a QtInterfaceFramework Feature, use this function as it shows a meaningful error message when the cast fails.

See also qobject_cast.

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