Class AssetInformation

In AssetInformation identifying meta data of the asset that is represented by an AAS is defined.

Inheritance
System.Object
AssetInformation
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 AssetInformation : IAssetInformation, IClass
Remarks

The asset may either represent an asset type or an asset instance.

The asset has a globally unique identifier plus – if needed – additional domain specific (proprietary) identifiers. However, to support the corner case of very first phase of lifecycle where a stabilised/constant_set global asset identifier does not already exist, the corresponding attribute GlobalAssetId is optional.

Constraints:

  • Constraint AASd-116: globalAssetId is a reserved key. If used as value for Name then Value shall be identical to GlobalAssetId.

    Constraint AASd-116 is important to enable a generic search across global and specific asset IDs.

    In the book, Constraint AASd-116 imposes a case-insensitive equality against globalAssetId. This is culturally-dependent, and depends on the system settings. For example, the case-folding for the letters "i" and "I" is different in Turkish from English.

    We implement the constraint as case-sensitive instead to allow for interoperability across different culture settings.

  • Constraint AASd-131: For AssetInformation either the GlobalAssetId shall be defined or at least one item in SpecificAssetIds.

Constructors

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AssetInformation(AssetKind, String, List<ISpecificAssetId>, String, IResource)

Declaration
public AssetInformation(AssetKind assetKind, string globalAssetId = null, List<ISpecificAssetId> specificAssetIds = null, string assetType = null, IResource defaultThumbnail = null)
Parameters
Type Name Description
AssetKind assetKind
System.String globalAssetId
System.Collections.Generic.List<ISpecificAssetId> specificAssetIds
System.String assetType
IResource defaultThumbnail

Properties

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AssetKind

Denotes whether the Asset is of kind Type or Instance.

Declaration
public AssetKind AssetKind { get; set; }
Property Value
Type Description
AssetKind
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AssetType

In case AssetKind is applicable the AssetType is the asset ID of the type asset of the asset under consideration as identified by GlobalAssetId.

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

In case AssetKind is "Instance" than the AssetType denotes which "Type" the asset is of. But it is also possible to have an AssetType of an asset of kind "Type".

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DefaultThumbnail

Thumbnail of the asset represented by the Asset Administration Shell.

Declaration
public IResource DefaultThumbnail { get; set; }
Property Value
Type Description
IResource
Remarks

Used as default.

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GlobalAssetId

Global identifier of the asset the AAS is representing.

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

This attribute is required as soon as the AAS is exchanged via partners in the life cycle of the asset. In a first phase of the life cycle the asset might not yet have a global ID but already an internal identifier. The internal identifier would be modelled via SpecificAssetIds.

This is a global reference.

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SpecificAssetIds

Additional domain-specific, typically proprietary identifier for the asset like e.g., serial number etc.

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

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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OverSpecificAssetIdsOrEmpty()

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

Declaration
public IEnumerable<ISpecificAssetId> OverSpecificAssetIdsOrEmpty()
Returns
Type Description
System.Collections.Generic.IEnumerable<ISpecificAssetId>
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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