QScxmlInvokableService Class

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

头: #include <QScxmlInvokableService>
qmake: QT += scxml
Since: Qt 5.8
继承: QObject

特性

公共函数

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

静态公共成员

const QMetaObject staticMetaObject

额外继承成员

详细描述

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

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.

特性文档编制

id : const QString

This property holds the ID of the invokable service.

The ID is specified by the id 属性在 <invoke> 元素。

访问函数:

virtual QString id () const = 0

name : const QString

This property holds the name of the service being invoked.

访问函数:

virtual QString name () const = 0

parentStateMachine : QScxmlStateMachine * const

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

访问函数:

QScxmlStateMachine * parentStateMachine () const

成员函数文档编制

QScxmlInvokableService:: QScxmlInvokableService ( QScxmlStateMachine * parentStateMachine , QScxmlInvokableServiceFactory * parent )

Default constructs an instance of QScxmlInvokableService.

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

Sends an event to the service.

[pure virtual] bool QScxmlInvokableService:: start ()

Starts the invokable service. Returns true 当成功时,或 false if the invocation fails.