Defines the interface for services. More...
|qmake:||QT += interfaceframework|
|virtual QIfFeatureInterface *||interfaceInstance(const QString &interfaceName) const = 0|
|virtual QStringList||interfaces() const = 0|
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.
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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