A map is created of the object model a single time, with the key being the string representation of a node id, and the value being the references. This model is stored in the main window, so it can be reused as necessary.

Classes created
/src/scriptengine/infrastructuretypes/UaTypeHierarchyRequestClass
/src/scriptengine/infrastructuretypes/UaTypeHierarchyResponseClass

API created
uaSessionClass::getTypeHierarchyCached

JS Helper created
/library/Information/GetTypeHierarchy.js

Usage Example

var result = GetTypeHierarchyHelper.Execute( { NodeToRead : UaNodeId.fromString("ns=3;s=MyNode") } );

Success:
result =
{
"result": true,
"typeHierarchy": {
"NodeIdsInHierarchy": [
{
"NodeId": "ns=3;i=1000"
},
{
"NodeId": "ns=0;i=58"
}
],
"BrowseNamesInHierarchy": [
{
"NamespaceIndex": "3",
"Name": "MyObjectType"
},
{
"NamespaceIndex": "3",
"Name": "BaseObjectType"
}
]
}
}

Failed:
result =
{
"result": false,
"typeHierarchy": null
}

reviewed in CMP Meeting (code reviewed separately )