Class Extension

Single extension of an element.

Inheritance
System.Object
Extension
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: AasCore.Aas3_0
Assembly: AasCore.Aas3_0.dll
Syntax
public class Extension : IExtension, IHasSemantics, IClass

Constructors

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Extension(String, IReference, List<IReference>, Nullable<DataTypeDefXsd>, String, List<IReference>)

Declaration
public Extension(string name, IReference semanticId = null, List<IReference> supplementalSemanticIds = null, DataTypeDefXsd? valueType = null, string value = null, List<IReference> refersTo = null)
Parameters
Type Name Description
System.String name
IReference semanticId
System.Collections.Generic.List<IReference> supplementalSemanticIds
System.Nullable<DataTypeDefXsd> valueType
System.String value
System.Collections.Generic.List<IReference> refersTo

Properties

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Name

Name of the extension.

Declaration
public string Name { get; set; }
Property Value
Type Description
System.String
Remarks

Constraints:

  • Constraint AASd-077: The name of an extension (Extension/name) within IHasExtensions needs to be unique.
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RefersTo

Reference to an element the extension refers to.

Declaration
public List<IReference> RefersTo { get; set; }
Property Value
Type Description
System.Collections.Generic.List<IReference>
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SemanticId

Identifier of the semantic definition of the element. It is called semantic ID of the element or also main semantic ID of the element.

Declaration
public IReference SemanticId { get; set; }
Property Value
Type Description
IReference
Remarks

It is recommended to use a global reference.

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SupplementalSemanticIds

Identifier of a supplemental semantic definition of the element. It is called supplemental semantic ID of the element.

Declaration
public List<IReference> SupplementalSemanticIds { get; set; }
Property Value
Type Description
System.Collections.Generic.List<IReference>
Remarks

It is recommended to use a global reference.

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Value

Value of the extension

Declaration
public string Value { get; set; }
Property Value
Type Description
System.String
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ValueType

Type of the value of the extension.

Declaration
public DataTypeDefXsd? ValueType { get; set; }
Property Value
Type Description
System.Nullable<DataTypeDefXsd>
Remarks

Default: String

Methods

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Accept(Visitation.IVisitor)

Accept the visitor to visit this instance for double dispatch.

Declaration
public void Accept(Visitation.IVisitor visitor)
Parameters
Type Name Description
Visitation.IVisitor visitor
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Accept<TContext>(Visitation.IVisitorWithContext<TContext>, TContext)

Accept the visitor to visit this instance for double dispatch with the context.

Declaration
public void Accept<TContext>(Visitation.IVisitorWithContext<TContext> visitor, TContext context)
Parameters
Type Name Description
Visitation.IVisitorWithContext<TContext> visitor
TContext context
Type Parameters
Name Description
TContext
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Descend()

Iterate recursively over all the class instances referenced from this instance.

Declaration
public IEnumerable<IClass> Descend()
Returns
Type Description
System.Collections.Generic.IEnumerable<IClass>
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DescendOnce()

Iterate over all the class instances referenced from this instance without further recursion.

Declaration
public IEnumerable<IClass> DescendOnce()
Returns
Type Description
System.Collections.Generic.IEnumerable<IClass>
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OverRefersToOrEmpty()

Iterate over RefersTo, if set, and otherwise return an empty enumerable.

Declaration
public IEnumerable<IReference> OverRefersToOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<IReference>
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OverSupplementalSemanticIdsOrEmpty()

Iterate over SupplementalSemanticIds, if set, and otherwise return an empty enumerable.

Declaration
public IEnumerable<IReference> OverSupplementalSemanticIdsOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<IReference>
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Transform<T>(Visitation.ITransformer<T>)

Accept the transformer to transform this instance for double dispatch.

Declaration
public T Transform<T>(Visitation.ITransformer<T> transformer)
Parameters
Type Name Description
Visitation.ITransformer<T> transformer
Returns
Type Description
T
Type Parameters
Name Description
T
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Transform<TContext, T>(Visitation.ITransformerWithContext<TContext, T>, TContext)

Accept the transformer to visit this instance for double dispatch with the context.

Declaration
public T Transform<TContext, T>(Visitation.ITransformerWithContext<TContext, T> transformer, TContext context)
Parameters
Type Name Description
Visitation.ITransformerWithContext<TContext, T> transformer
TContext context
Returns
Type Description
T
Type Parameters
Name Description
TContext
T
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ValueTypeOrDefault()

Return the ValueType or the default value if it has not been set.

Declaration
public DataTypeDefXsd ValueTypeOrDefault()
Returns
Type Description
DataTypeDefXsd

Implements