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71 lines
2.8 KiB
Plaintext
Executable File
71 lines
2.8 KiB
Plaintext
Executable File
-- File: XSControl_SelectForTransfer.cdl
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-- Created: Tue Mar 26 14:03:27 1996
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-- Author: Christian CAILLET
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-- <cky@fidox>
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---Copyright: Matra Datavision 1996
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class SelectForTransfer from XSControl inherits SelectExtract from IFSelect
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---Purpose : This selection selects the entities which are recognised for
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-- transfer by an Actor for Read : current one or another one.
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--
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-- An Actor is an operator which runs transfers from interface
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-- entities to objects for Imagine. It has a method to recognize
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-- the entities it can process (by default, it recognises all,
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-- this method can be redefined).
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--
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-- A TransferReader brings an Actor, according to the currently
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-- selected norm and transfer conditions.
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--
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-- This selection considers, either the current Actor (brought by
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-- the TransferReader, updated as required), or a precise one.
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uses AsciiString from TCollection, InterfaceModel,
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ActorOfTransientProcess, TransferReader
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is
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Create returns mutable SelectForTransfer;
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---Purpose : Creates a SelectForTransfer, non initialised
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-- it sorts nothing, unless an Actor has been defined
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Create (TR : TransferReader) returns mutable SelectForTransfer;
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---Purpose : Creates a SelectForTransfer, which will work with the
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-- currently defined Actor brought by the TransferReader
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SetReader (me : mutable; TR : TransferReader);
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---Purpose : Sets a TransferReader to sort entities : it brings the Actor,
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-- which may change, while the TransferReader does not
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SetActor (me : mutable; act : mutable ActorOfTransientProcess);
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---Purpose : Sets a precise actor to sort entities
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-- This definition oversedes the creation with a TransferReader
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Actor (me) returns ActorOfTransientProcess;
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---Purpose : Returns the Actor used as precised one.
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-- Returns a Null Handle for a creation from a TransferReader
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-- without any further setting
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Reader (me) returns TransferReader;
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---Purpose : Returns the Reader (if created with a Reader)
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-- Returns a Null Handle if not created with a Reader
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Sort (me; rank : Integer; ent : Transient; model : InterfaceModel)
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returns Boolean;
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---Purpose : Returns True for an Entity which is recognized by the Actor,
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-- either the precised one, or the one defined by TransferReader
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--Sort (me; ent : in out Transient) returns Boolean;
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ExtractLabel (me) returns AsciiString from TCollection;
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---Purpose : Returns a text defining the criterium : "Recognized for Transfer [(current actor)]"
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fields
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theTR : TransferReader;
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theAC : ActorOfTransientProcess;
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end SelectForTransfer;
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