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-- File: Dynamic_FuzzyClass.cdl
-- Created: Fri Jan 22 11:41:34 1993
-- Author: Gilles DEBARBOUILLE
-- <gde@bravox>
---Copyright: Matra Datavision 1993
deferred class FuzzyClass from Dynamic
inherits
TShared from MMgt
---Purpose: This class is the root class to dynamically define
-- objects of a given type but with various
-- definitions. This root class contains a parameter
-- list which describes in the definition context all
-- the useful information and in the instance context
-- only the redefined values. This class is deferred
-- because no instance has to be created.
uses
CString from Standard,
Integer from Standard,
Real from Standard,
Boolean from Standard,
OStream from Standard,
Parameter from Dynamic,
ParameterNode from Dynamic,
AsciiString from TCollection
is
Initialize;
---Level: Internal
---Purpose: Creates a FuzzyClass.
Type(me) returns AsciiString from TCollection
---Level: Public
---Purpose: This deferred method must returns the type of the
-- object. If the instance is of the type FuzzyDefinition
-- the method simply returns the field <thetype>. If the
-- instance is of the type FuzzyInstance the method calls
-- the Type method on the true definition.
is deferred;
FirstParameter(me) returns ParameterNode from Dynamic
---Level: Public
---Purpose: Returns the head of the list of parameters. For the
-- FuzzyDefinition class this method returns the head of
-- the exaustive list of parameters defining the object
-- and for the FuzzyInstance it just returns the head of
-- the overloaded values.
is static;
Parameter(me ; aparameter : CString from Standard) returns Boolean from Standard
---Level: Public
---Purpose: Returns true if there is a parameter with <aparameter>
-- as name, false otherwise.
is static;
Parameter(me : mutable ; aparameter : any Parameter from Dynamic)
---Level: Public
---Purpose: Adds another parameter <aparameter> to the sequence of
-- parameters.
is static;
Parameter(me : mutable ; aparameter : CString from Standard; avalue : Boolean from Standard)
---Level: Public
---Purpose: Adds to the instance <me> the parameter <aparameter>
-- with the boolean value <avalue>.
is virtual;
Parameter(me : mutable ; aparameter : CString from Standard; avalue : Integer from Standard)
---Level: Public
---Purpose: Adds to the instance <me> the parameter <aparameter>
-- with the integer value <avalue>.
is virtual;
Parameter(me : mutable ; aparameter : CString from Standard; avalue : Real from Standard)
---Level: Public
---Purpose: Adds to the instance <me> the parameter <aparameter>
-- with the real value <avalue>.
is virtual;
Parameter(me : mutable ; aparameter : CString from Standard; astring : CString from Standard)
---Level: Public
---Purpose: Adds to the instance <me> the parameter <aparameter>
-- with the string <astring>.
is virtual;
Parameter(me : mutable ; aparameter : CString from Standard; anobject : any Transient)
---Level: Public
---Purpose: Adds to the instance <me> the parameter <aparameter>
-- with the object value <anobject>.
is virtual;
Value(me ; aparameter : CString from Standard;
avalue : out Boolean from Standard) returns Boolean from Standard
---Level: Public
---Purpose: Returns True, if there is a parameter <aparameter>
-- previously stored in the instance <me> and there is
-- the corresponding boolean value in the output argument
-- <avalue>, False otherwise.
is virtual;
Value(me ; aparameter : CString from Standard;
avalue : out Integer from Standard)
returns Boolean from Standard
---Level: Public
---Purpose: Returns True, if there is a parameter <aparameter>
-- previously stored in the instance <me> and there is
-- the corresponding integer value in the output argument
-- <avalue>, False otherwise.
is virtual;
Value(me ; aparameter : CString from Standard;
avalue : out Real)
returns Boolean from Standard
---Level: Public
---Purpose: Returns True, if there is a parameter <aparameter>
-- previously stored in the instance <me> and there is
-- the corresponding real value in the output argument
-- <avalue>, False otherwise.
is virtual;
Value(me ; aparameter : CString from Standard; avalue : out AsciiString from TCollection)
returns Boolean from Standard
---Level: Public
---Purpose: Returns True, if there is a parameter <aparameter>
-- previously stored in the instance <me> and there is
-- the corresponding string in the output argument
-- <avalue>, False otherwise.
is virtual;
Value(me ; aparameter : CString from Standard; avalue : out any Transient)
returns Boolean from Standard
---Level: Public
---Purpose: Returns True, if there is a parameter <aparameter>
-- previously stored in the instance <me> and there is
-- the corresponding object value in the output argument
-- <avalue>, False otherwise.
is virtual;
Dump(me ; astream : in out OStream from Standard)
---Level: Internal
---Purpose: Useful for debugging.
is virtual;
fields
thefirstparameternode : ParameterNode from Dynamic;
end FuzzyClass;
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