Back to home page

EIC code displayed by LXR

 
 

    


File indexing completed on 2025-01-18 10:05:28

0001 // Created on: 1992-02-03
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016 
0017 #ifndef _Transfer_ActorOfProcessForTransient_HeaderFile
0018 #define _Transfer_ActorOfProcessForTransient_HeaderFile
0019 
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022 
0023 #include <Standard_Transient.hxx>
0024 #include <Transfer_TransferMapOfProcessForTransient.hxx>
0025 #include <Message_ProgressRange.hxx>
0026 
0027 class Standard_DomainError;
0028 class Standard_Transient;
0029 class Transfer_ProcessForTransient;
0030 class Transfer_IteratorOfProcessForTransient;
0031 class Transfer_Binder;
0032 class Transfer_SimpleBinderOfTransient;
0033 
0034 class Transfer_ActorOfProcessForTransient;
0035 DEFINE_STANDARD_HANDLE(Transfer_ActorOfProcessForTransient, Standard_Transient)
0036 
0037 
0038 class Transfer_ActorOfProcessForTransient : public Standard_Transient
0039 {
0040 
0041 public:
0042 
0043   
0044   Standard_EXPORT Transfer_ActorOfProcessForTransient();
0045   
0046   //! Prerequesite for Transfer : the method Transfer is
0047   //! called on a starting object only if Recognize has
0048   //! returned True on it
0049   //! This allows to define a list of Actors, each one
0050   //! processing a definite kind of data
0051   //! TransferProcess calls Recognize on each one before
0052   //! calling Transfer. But even if Recognize has returned
0053   //! True, Transfer can reject by returning a Null Binder
0054   //! (afterwards rejection), the next actor is then invoked
0055   //!
0056   //! The provided default returns True, can be redefined
0057   Standard_EXPORT virtual Standard_Boolean Recognize (const Handle(Standard_Transient)& start);
0058   
0059   //! Specific action of Transfer. The Result is stored in
0060   //! the returned Binder, or a Null Handle for "No result"
0061   //! (Default defined as doing nothing; should be deferred)
0062   //! "mutable" allows the Actor to record intermediate
0063   //! information, in addition to those of TransferProcess
0064   Standard_EXPORT virtual Handle(Transfer_Binder) Transferring
0065                    (const Handle(Standard_Transient)& start,
0066                     const Handle(Transfer_ProcessForTransient)& TP,
0067                     const Message_ProgressRange& theProgress = Message_ProgressRange());
0068   
0069   //! Prepares and Returns a Binder for a Transient Result
0070   //! Returns a Null Handle if <res> is itself Null
0071   Standard_EXPORT Handle(Transfer_SimpleBinderOfTransient) TransientResult (const Handle(Standard_Transient)& res) const;
0072   
0073   //! Returns a Binder for No Result, i.e. a Null Handle
0074   Standard_EXPORT Handle(Transfer_Binder) NullResult() const;
0075   
0076   //! If <mode> is True, commands an Actor to be set at the
0077   //! end of the list of Actors (see SetNext)
0078   //! If it is False (creation default), each add Actor is
0079   //! set at the beginning of the list
0080   //! This allows to define default Actors (which are Last)
0081   Standard_EXPORT void SetLast (const Standard_Boolean mode = Standard_True);
0082   
0083   //! Returns the Last status (see SetLast).
0084   Standard_EXPORT Standard_Boolean IsLast() const;
0085   
0086   //! Defines a Next Actor : it can then be asked to work if
0087   //! <me> produces no result for a given type of Object.
0088   //! If Next is already set and is not "Last", calls
0089   //! SetNext on it. If Next defined and "Last", the new
0090   //! actor is added before it in the list
0091   Standard_EXPORT void SetNext (const Handle(Transfer_ActorOfProcessForTransient)& next);
0092   
0093   //! Returns the Actor defined as Next, or a Null Handle
0094   Standard_EXPORT Handle(Transfer_ActorOfProcessForTransient) Next() const;
0095 
0096 
0097 
0098 
0099   DEFINE_STANDARD_RTTI_INLINE(Transfer_ActorOfProcessForTransient,Standard_Transient)
0100 
0101 protected:
0102 
0103 
0104 
0105 
0106 private:
0107 
0108 
0109   Handle(Transfer_ActorOfProcessForTransient) thenext;
0110   Standard_Boolean thelast;
0111 
0112 
0113 };
0114 
0115 
0116 
0117 
0118 
0119 
0120 
0121 #endif // _Transfer_ActorOfProcessForTransient_HeaderFile