QScxmlInvokableService Class

The QScxmlInvokableService class is the base class for services called from state machines. More...

Header: #include <QScxmlInvokableService>
qmake: QT += scxml
Since: Qt 5.8
Inherits: QObject

This class was introduced in Qt 5.8.


Public Functions

virtual QString id() const = 0
virtual QString name() const = 0
QScxmlStateMachine *parentStateMachine() const
virtual void postEvent(QScxmlEvent *event) = 0
virtual bool start() = 0

Detailed Description

The services are called from state machines via the mechanism described in SCXML Specification - 6.4 <invoke>. This class represents an actual instance of an invoked service.

Property Documentation

id : const QString

This property holds the ID of the invokable service.

The ID is specified by the id attribute of the <invoke> element.

Access functions:

virtual QString id() const = 0

name : const QString

This property holds the name of the service being invoked.

Access functions:

virtual QString name() const = 0

parentStateMachine : QScxmlStateMachine* const

This property holds the SCXML state machine that invoked the service.

Access functions:

QScxmlStateMachine *parentStateMachine() const

Member Function Documentation

[pure virtual] void QScxmlInvokableService::postEvent(QScxmlEvent *event)

Sends an event to the service.

[pure virtual] bool QScxmlInvokableService::start()

Starts the invokable service. Returns true on success, or false if the invocation fails.