return the instance sending the message

Declaration :

• Uml : + from() : UmlClassInstanceReference
• C++ : public: UmlClassInstanceReference * from() const
• Java : public UmlClassInstanceReference from()

return the instance receiving the message

Declaration :

• Uml : + to() : UmlClassInstanceReference
• C++ : public: UmlClassInstanceReference * to() const
• Java : public UmlClassInstanceReference to()

return the operation or 0/null,
exclusive with form()

Declaration :

• Uml : + operation() : UmlOperation
• C++ : public: UmlOperation * operation() const
• Java : public UmlOperation operation()

return message as a string, may be empty/null,
exclusive with operation()

Declaration :

• Uml : + form() : string
• C++ : public: const QByteArray & form() const
• Java : public String form()

Declaration :

• Uml : - _from : UmlClassInstanceReference
• C++ : private: UmlClassInstanceReference * _from
• Java : private UmlClassInstanceReference _from

Declaration :

• Uml : - _to : UmlClassInstanceReference
• C++ : private: UmlClassInstanceReference * _to
• Java : private UmlClassInstanceReference _to

Declaration :

• Uml : - _operation : UmlOperation
• C++ : private: UmlOperation * _operation
• Java : private UmlOperation _operation

Declaration :

• Uml : - _form : string
• C++ : private: QByteArray _form
• Java : private String _form

internal, don't call it

Declaration :

• Uml : + read_(in instances : UmlClassInstanceReference) : void
• C++ : private: void read_(const Q3PtrDict<UmlClassInstanceReference> & instances)
• Java : public void read_(Hashtable instances)

Definition :

• C++ (decl):

    friend class UmlBaseSequenceMessage;
    friend class UmlBaseCollaborationMessage;