QScxmlInvokableService Class

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

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The Qt Company Ltd.

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Publié le 14 février 2024 - Mis à jour le 14 février 2024

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QScxmlInvokableService Class▲

Header: QScxmlInvokableService
CMake:

find_package(Qt6 REQUIRED COMPONENTS Scxml)

target_link_libraries(mytarget PRIVATE Qt6::Scxml)
qmake: QT += scxml
Inherits: QObject
Inherited By:

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▲

[read-only] 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 id() const = 0

[read-only] name : const QString▲

This property holds the name of the service being invoked.

Access functions:

virtual name() const = 0

[read-only] parentStateMachine : QScxmlStateMachine* const▲

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

Access functions:

*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.

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