Class Property

A property is a data element that has a single value.

Inheritance
System.Object
Property
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_RC02
Assembly: AasCore.Aas3_0_RC02.dll
Syntax
public class Property : IProperty, IDataElement, ISubmodelElement, IReferable, IHasExtensions, IHasKind, IHasSemantics, IQualifiable, IHasDataSpecification, IClass
Remarks

Constraints:

  • Constraint AASd-007: If both, the Value and the ValueId are present then the value of Value needs to be identical to the value of the referenced coded value in ValueId.

Constructors

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Property(DataTypeDefXsd, List<IExtension>, String, String, List<ILangString>, List<ILangString>, String, Nullable<ModelingKind>, IReference, List<IReference>, List<IQualifier>, List<IEmbeddedDataSpecification>, String, IReference)

Declaration
public Property(DataTypeDefXsd valueType, List<IExtension> extensions = null, string category = null, string idShort = null, List<ILangString> displayName = null, List<ILangString> description = null, string checksum = null, ModelingKind? kind = null, IReference semanticId = null, List<IReference> supplementalSemanticIds = null, List<IQualifier> qualifiers = null, List<IEmbeddedDataSpecification> embeddedDataSpecifications = null, string value = null, IReference valueId = null)
Parameters
Type Name Description
DataTypeDefXsd valueType
System.Collections.Generic.List<IExtension> extensions
System.String category
System.String idShort
System.Collections.Generic.List<ILangString> displayName
System.Collections.Generic.List<ILangString> description
System.String checksum
System.Nullable<ModelingKind> kind
IReference semanticId
System.Collections.Generic.List<IReference> supplementalSemanticIds
System.Collections.Generic.List<IQualifier> qualifiers
System.Collections.Generic.List<IEmbeddedDataSpecification> embeddedDataSpecifications
System.String value
IReference valueId

Properties

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Category

The category is a value that gives further meta information w.r.t. to the class of the element. It affects the expected existence of attributes and the applicability of constraints.

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

The category is not identical to the semantic definition (IHasSemantics) of an element. The category e.g. could denote that the element is a measurement value whereas the semantic definition of the element would denote that it is the measured temperature.

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Checksum

Checksum to be used to determine if an Referable (including its aggregated child elements) has changed.

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

The checksum is calculated by the user's tool environment. The checksum has no semantic meaning for an asset administration shell model and there is no requirement for asset administration shell tools to manage the checksum

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Description

Description or comments on the element.

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

The description can be provided in several languages.

If no description is defined, then the definition of the concept description that defines the semantics of the element is used.

Additional information can be provided, e.g., if the element is qualified and which qualifier types can be expected in which context or which additional data specification templates are provided.

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DisplayName

Display name. Can be provided in several languages.

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

If no display name is defined in the language requested by the application, then the display name is selected in the following order if available:

  • the preferred name in the requested language of the concept description defining the semantics of the element
  • If there is a default language list defined in the application, then the corresponding preferred name in the language is chosen according to this order.
  • the English preferred name of the concept description defining the semantics of the element
  • the short name of the concept description
  • the IdShort of the element
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EmbeddedDataSpecifications

Embedded data specification.

Declaration
public List<IEmbeddedDataSpecification> EmbeddedDataSpecifications { get; set; }
Property Value
Type Description
System.Collections.Generic.List<IEmbeddedDataSpecification>
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Extensions

An extension of the element.

Declaration
public List<IExtension> Extensions { get; set; }
Property Value
Type Description
System.Collections.Generic.List<IExtension>
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IdShort

In case of identifiables this attribute is a short name of the element. In case of referable this ID is an identifying string of the element within its name space.

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

In case the element is a property and the property has a semantic definition (SemanticId) conformant to IEC61360 the IdShort is typically identical to the short name in English.

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Kind

Kind of the element: either type or instance.

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

Default: Instance

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Qualifiers

Additional qualification of a qualifiable element.

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

Constraints:

  • Constraint AASd-021: Every qualifiable can only have one qualifier with the same Type.
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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

The value of the property instance.

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

Reference to the global unique ID of a coded value.

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

It is recommended to use a global reference.

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ValueType

Data type of the value

Declaration
public DataTypeDefXsd ValueType { get; set; }
Property Value
Type Description
DataTypeDefXsd

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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CategoryOrDefault()

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

Declaration
public string CategoryOrDefault()
Returns
Type Description
System.String
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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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KindOrDefault()

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

Declaration
public ModelingKind KindOrDefault()
Returns
Type Description
ModelingKind
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OverDescriptionOrEmpty()

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

Declaration
public IEnumerable<ILangString> OverDescriptionOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<ILangString>
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OverDisplayNameOrEmpty()

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

Declaration
public IEnumerable<ILangString> OverDisplayNameOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<ILangString>
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OverEmbeddedDataSpecificationsOrEmpty()

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

Declaration
public IEnumerable<IEmbeddedDataSpecification> OverEmbeddedDataSpecificationsOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<IEmbeddedDataSpecification>
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OverExtensionsOrEmpty()

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

Declaration
public IEnumerable<IExtension> OverExtensionsOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<IExtension>
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OverQualifiersOrEmpty()

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

Declaration
public IEnumerable<IQualifier> OverQualifiersOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<IQualifier>
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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

Implements