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-- File: TFunction_Iterator.cdl
-- Created: Mon Jan 22 13:53:39 2008
-- Author: Vladislav ROMASHKO
-- <vladislav.romashko@opencascade.com>
---Copyright: Open CASCADE S.A.
class Iterator from TFunction
---Purpose: Iterator of the graph of functions
uses
Label from TDF,
GUID from Standard,
LabelList from TDF,
LabelMap from TDF,
ExecutionStatus from TFunction,
Scope from TFunction
is
Create
---Purpose: An empty constructor.
returns Iterator from TFunction;
Create (Access : Label from TDF)
---Purpose: A constructor.
-- Initializes the iterator.
returns Iterator from TFunction;
Init (me : in out;
Access : Label from TDF)
---Purpose: Initializes the Iterator.
is virtual;
SetUsageOfExecutionStatus (me : in out;
usage : Boolean from Standard);
---Purpose: Defines the mode of iteration - usage or not of the execution status.
-- If the iterator takes into account the execution status,
-- the method ::Current() returns only "not executed" functions
-- while their status is not changed.
-- If the iterator ignores the execution status,
-- the method ::Current() returns the functions
-- following their dependencies and ignoring the execution status.
GetUsageOfExecutionStatus (me)
---Purpose: Returns usage of execution status by the iterator.
returns Boolean from Standard;
GetMaxNbThreads (me)
---Purpose: Analyses the graph of dependencies and returns
-- maximum number of threads may be used to calculate the model.
returns Integer from Standard
is virtual;
Current (me)
---Purpose: Returns the current list of functions.
-- If the iterator uses the execution status,
-- the returned list contains only the functions
-- with "not executed" status.
---C++: return const &
returns LabelList from TDF
is virtual;
More (me)
---Purpose: Returns false if the graph of functions is fully iterated.
returns Boolean from Standard
is virtual;
Next (me : in out)
---Purpose: Switches the iterator to the next list of current functions.
is virtual;
GetStatus (me;
func : Label from TDF)
---Purpose: A help-function aimed to help the user to check the status of retrurned function.
-- It calls TFunction_GraphNode::GetStatus() inside.
returns ExecutionStatus from TFunction;
SetStatus (me;
func : Label from TDF;
status : ExecutionStatus from TFunction);
---Purpose: A help-function aimed to help the user to change the execution status of a function.
-- It calls TFunction_GraphNode::SetStatus() inside.
Dump (me;
OS : in out OStream from Standard)
---C++: return &
returns OStream from Standard;
fields
myCurrent : LabelList from TDF;
myUsageOfExecutionStatus : Boolean from Standard;
myPassedFunctions : LabelMap from TDF; -- an internal field.
myScope : Scope from TFunction; -- an internal field.
end Iterator;
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