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Wolfgang Colsman
716858aa7d
# Description For a NodeSet2 input the generator built the predefined nodes from the merged instance hierarchy. A subtype therefore got a copy of every Mandatory InstanceDeclaration of its supertypes as a new child node, with a NodeId the NodeSet2 never assigned (the supertype's numeric identifier in the subtype's namespace, or a string identifier derived from the path when the supertype comes from a referenced assembly). A DeviceType subtype got eight such children from DI's DeviceType, so the address space a server loads from the generated code differs from the NodeSet2 it was generated from. ModelSourceGeneratorEmitNodeSetNodesOnly (GeneratorOptions .EmitNodeSetNodesOnly), off by default, makes the predefined nodes of a NodeSet2 input exactly the nodes the NodeSet2 declares: a child the generator derives from a supertype or type definition is not added to a predefined node. The typed state classes are unchanged and still reach inherited members through the state classes of their supertypes, and the CreateInstanceOf* factories still create every Mandatory child of the type. ModelDesign inputs are not affected. IModelDesign.IsSourceNodeSet tells the generator whether the target model was read from a NodeSet2. A test in Opc.Ua.Di.Tests generates a DI-style NodeSet2 with the option on, exports the generated predefined nodes as a NodeSet2 and compares it with the input, node for node and reference for reference. ## Related Issues None. ## Checklist - [x] I have signed the [CLA](https://opcfoundation.org/license/cla/ContributorLicenseAgreementv1.0.pdf) and read the [CONTRIBUTING](https://github.com/OPCFoundation/UA-.NETStandard/blob/master/CONTRIBUTING.md) doc. - [x] I have added tests that prove my fix is effective or that my feature works and increased code coverage. - [x] I have added all necessary documentation. - [x] I have verified that my changes do not introduce (new) build or analyzer warnings. - [x] I ran **all** tests locally using the **UA.slnx** solution against at least .net **framework** and .net **10**, and all passed. - [x] I fixed **all** failing and flaky tests in the CI pipelines and **all** CodeQL warnings. - [ ] I have addressed **all** PR feedback received. --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: Marc Schier <marcschier@users.noreply.github.com>