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-- File:	SelectType.cdl
-- Created:	Wed Nov 18 10:47:02 1992
-- Author:	Christian CAILLET
--		<cky@topsn2>
---Copyright:	 Matra Datavision 1992


class SelectType  from IFSelect   inherits SelectAnyType

    ---Purpose : A SelectType keeps or rejects Entities of which the Type
    --           is Kind of a given Cdl Type

uses Type, AsciiString from TCollection, Transient

is

    Create returns mutable SelectType;
    ---Purpose : Creates a SelectType. Default is no filter

    Create (atype : Type) returns mutable SelectType;
    ---Purpose : Creates a SelectType for a given Type

    SetType (me : mutable; atype : Type);
    ---Purpose : Sets a TYpe for filter

    TypeForMatch (me) returns Type;
    ---Purpose : Returns the Type to be matched for select : this is the type
    --           given at instantiation time

    ExtractLabel (me) returns AsciiString from TCollection;
    ---Purpose : Returns a text defining the criterium.
    --           (should by gotten from Type of Entity used for instantiation)

fields

    thetype : Type;

end SelectType;