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-- File: IFSelect_DispPerFiles.cdl
-- Created: Wed Dec 21 10:58:04 1994
-- Author: Christian CAILLET
-- <cky@anion>
---Copyright: Matra Datavision 1994
class DispPerFiles from IFSelect inherits Dispatch
---Purpose : A DispPerFiles produces a determined count of Packets from the
-- input Entities. It divides, as equally as possible, the input
-- list into a count of files. This count is the parameter of the
-- DispPerFiles. If the input list has less than this count, of
-- course there will be one packet per input entity.
-- This count is a Parameter of the DispPerFiles, given as an
-- IntParam, thus allowing external control of its Value
uses AsciiString from TCollection, Graph, SubPartsIterator, IntParam
raises InterfaceError
is
Create returns mutable DispPerFiles;
---Purpose : Creates a DispPerFiles with no Count (default value 1 file)
Count (me) returns mutable IntParam;
---Purpose : Returns the Count Parameter used for splitting
SetCount (me : mutable; count : mutable IntParam);
---Purpose : Sets a new Parameter for Count
CountValue (me) returns Integer;
---Purpose : Returns the effective value of the count parameter
-- (if Count Parameter not Set or value not positive, returns 1)
Label (me) returns AsciiString from TCollection;
---Purpose : Returns as Label, "Maximum <count> Files"
-- -- Evaluation -- --
LimitedMax (me; nbent : Integer; max : out Integer) returns Boolean
is redefined;
---Purpose : Returns True, maximum count is given as CountValue
PacketsCount (me; G : Graph; count : out Integer) returns Boolean
is redefined;
---Purpose : Returns True (count is easy to know) and count is the minimum
-- value between length of input list and CountValue
Packets (me; G : Graph; packs : in out SubPartsIterator)
raises InterfaceError;
---Purpose : Computes the list of produced Packets. It defines Packets in
-- order to have <Count> Packets, except if the input count of
-- Entities is lower. Entities are given by RootResult from the
-- Final Selection.
fields
thecount : IntParam;
end DispPerFiles;
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