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7e785937b3
Progress indication mechanism is refactored to support incrementing progress within multithreaded algorithms. The class Message_ProgressIndicator is only an interface to the user application. It accumulates the progress provided by progress scopes. The counter is protected by mutex for thread-safety. The new class Message_ProgressScope replacing Message_ProgressSentry should be used to advance the progress. The scopes are nested to each other to reflect the nested nature of operations. The new class Message_ProgressRange should be used to pass the progress to sub-scopes. All OCCT algorithms involving progress indication have been updated to new API. Improvements in Draw_ProgressIndicator: - Separate console mode has been added in order to make possible to put the progress into std::cout instead or in addition to the draw interpreter, instead of trigger option "-tclOutput". - Treatment of Ctrl-Break signal has been added. Now any operation can be aborted by Ctrl-C or Ctrl-Break keystroke. Added new test case 'perf fclasses progr_par' for testing of parallel work of the progress.
137 lines
4.8 KiB
C++
137 lines
4.8 KiB
C++
// Created on: 2002-10-31
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// Created by: Michael SAZONOV
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// Copyright (c) 2002-2014 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 _BinLDrivers_DocumentRetrievalDriver_HeaderFile
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#define _BinLDrivers_DocumentRetrievalDriver_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <BinObjMgt_Persistent.hxx>
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#include <BinObjMgt_RRelocationTable.hxx>
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#include <TColStd_MapOfInteger.hxx>
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#include <BinLDrivers_VectorOfDocumentSection.hxx>
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#include <PCDM_RetrievalDriver.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_IStream.hxx>
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#include <Storage_Position.hxx>
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#include <Standard_Boolean.hxx>
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#include <Storage_Data.hxx>
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class BinMDF_ADriverTable;
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class Message_Messenger;
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class TCollection_ExtendedString;
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class PCDM_Document;
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class CDM_Document;
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class CDM_Application;
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class TDF_Label;
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class TCollection_AsciiString;
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class Storage_HeaderData;
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class BinLDrivers_DocumentSection;
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class BinLDrivers_DocumentRetrievalDriver;
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DEFINE_STANDARD_HANDLE(BinLDrivers_DocumentRetrievalDriver, PCDM_RetrievalDriver)
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class BinLDrivers_DocumentRetrievalDriver : public PCDM_RetrievalDriver
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{
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public:
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//! Constructor
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Standard_EXPORT BinLDrivers_DocumentRetrievalDriver();
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//! pure virtual method definition
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Standard_EXPORT virtual Handle(CDM_Document) CreateDocument() Standard_OVERRIDE;
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//! retrieves the content of the file into a new Document.
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Standard_EXPORT virtual void Read (const TCollection_ExtendedString& theFileName,
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const Handle(CDM_Document)& theNewDocument,
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const Handle(CDM_Application)& theApplication,
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const Message_ProgressRange& theProgress = Message_ProgressRange()) Standard_OVERRIDE;
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Standard_EXPORT virtual void Read (Standard_IStream& theIStream,
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const Handle(Storage_Data)& theStorageData,
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const Handle(CDM_Document)& theDoc,
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const Handle(CDM_Application)& theApplication,
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const Message_ProgressRange& theProgress = Message_ProgressRange()) Standard_OVERRIDE;
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Standard_EXPORT virtual Handle(BinMDF_ADriverTable) AttributeDrivers (const Handle(Message_Messenger)& theMsgDriver);
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DEFINE_STANDARD_RTTIEXT(BinLDrivers_DocumentRetrievalDriver,PCDM_RetrievalDriver)
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protected:
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//! Read the tree from the stream <theIS> to <theLabel>
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Standard_EXPORT virtual Standard_Integer ReadSubTree
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(Standard_IStream& theIS,
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const TDF_Label& theData,
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const Message_ProgressRange& theRanges = Message_ProgressRange());
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//! define the procedure of reading a section to file.
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Standard_EXPORT virtual void ReadSection
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(BinLDrivers_DocumentSection& theSection,
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const Handle(CDM_Document)& theDoc,
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Standard_IStream& theIS);
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//! define the procedure of reading a shapes section to file.
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Standard_EXPORT virtual void ReadShapeSection
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(BinLDrivers_DocumentSection& theSection,
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Standard_IStream& theIS,
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const Standard_Boolean isMess = Standard_False,
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const Message_ProgressRange& theRange = Message_ProgressRange());
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//! checks the shapes section can be correctly retreived.
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Standard_EXPORT virtual void CheckShapeSection (const Storage_Position& thePos, Standard_IStream& theIS);
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//! clears the reading-cash data in drivers if any.
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Standard_EXPORT virtual void Clear();
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//! Check a file version(in which file was written) with a current version.
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//! Redefining this method is a chance for application to read files
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//! written by newer applications.
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//! The default implementation: if the version of the file is greater than the
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//! current or lesser than 2, then return false, else true
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Standard_EXPORT virtual Standard_Boolean CheckDocumentVersion (const Standard_Integer theFileVersion, const Standard_Integer theCurVersion);
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Handle(BinMDF_ADriverTable) myDrivers;
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BinObjMgt_RRelocationTable myRelocTable;
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Handle(Message_Messenger) myMsgDriver;
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private:
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BinObjMgt_Persistent myPAtt;
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TColStd_MapOfInteger myMapUnsupported;
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BinLDrivers_VectorOfDocumentSection mySections;
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};
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#endif // _BinLDrivers_DocumentRetrievalDriver_HeaderFile
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