V3.1: Make first and second of RelationshipElement optional

aas-core-works / aas-core-meta

Provide formalized meta-models for Asset Administration Shell (AAS).

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V3.1: Make first and second of RelationshipElement optional #347

Closed s-heppner closed 1 month ago

s-heppner commented 1 month ago

Previously, RelationshipElement.first and RelationshipElement.second were mandatory attributes. As decided in aas-specs#412 and specified in aas-specs#431, we now make these attributes optional.

Furthermore, we extend these changes to the constructor of AnnotatedRelationshipElement.

Fixes #340