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112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
// Created on: 1993-04-07
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// Created by: Christian CAILLET
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Transfer_MultipleBinder_HeaderFile
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#define _Transfer_MultipleBinder_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <TColStd_HSequenceOfTransient.hxx>
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#include <Transfer_Binder.hxx>
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#include <Standard_Integer.hxx>
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class Standard_Transient;
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class Transfer_MultipleBinder;
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DEFINE_STANDARD_HANDLE(Transfer_MultipleBinder, Transfer_Binder)
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//! Allows direct binding between a starting Object and the Result
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//! of its transfer, when it can be made of several Transient
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//! Objects. Compared to a Transcriptor, it has no Transfer Action
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//!
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//! Result is a list of Transient Results. Unique Result is not
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//! available : SetResult is redefined to start the list on the
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//! first call, and refuse the other times.
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//!
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//! rr
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//!
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//! Remark : MultipleBinder itself is intended to be created and
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//! filled by TransferProcess itself (method Bind). In particular,
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//! conflicts between Unique (Standard) result and Multiple result
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//! are avoided through management made by TransferProcess.
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//!
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//! Also, a Transcriptor (with an effective Transfer Method) which
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//! can produce a Multiple Result, may be defined as a sub-class
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//! of MultipleBinder by redefining method Transfer.
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class Transfer_MultipleBinder : public Transfer_Binder
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{
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public:
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//! normal standard constructor, creates an empty MultipleBinder
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Standard_EXPORT Transfer_MultipleBinder();
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//! Returns True if a starting object is bound with SEVERAL
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//! results : Here, returns always True
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Standard_EXPORT virtual Standard_Boolean IsMultiple() const Standard_OVERRIDE;
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//! Returns the Type permitted for Results, i.e. here Transient
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Standard_EXPORT Handle(Standard_Type) ResultType() const Standard_OVERRIDE;
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//! Returns the Name of the Type which characterizes the Result
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//! Here, returns "(list)"
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Standard_EXPORT Standard_CString ResultTypeName() const Standard_OVERRIDE;
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//! Adds a new Item to the Multiple Result
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Standard_EXPORT void AddResult (const Handle(Standard_Transient)& res);
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//! Returns the actual count of recorded (Transient) results
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Standard_EXPORT Standard_Integer NbResults() const;
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//! Returns the value of the recorded result n0 <num>
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Standard_EXPORT Handle(Standard_Transient) ResultValue (const Standard_Integer num) const;
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//! Returns the Multiple Result, if it is defined (at least one
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//! Item). Else, returns a Null Handle
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Standard_EXPORT Handle(TColStd_HSequenceOfTransient) MultipleResult() const;
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//! Defines a Binding with a Multiple Result, given as a Sequence
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//! Error if a Unique Result has yet been defined
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Standard_EXPORT void SetMultipleResult (const Handle(TColStd_HSequenceOfTransient)& mulres);
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DEFINE_STANDARD_RTTIEXT(Transfer_MultipleBinder,Transfer_Binder)
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protected:
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private:
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Handle(TColStd_HSequenceOfTransient) themulres;
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};
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#endif // _Transfer_MultipleBinder_HeaderFile
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