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Get a node from the client on the server in a specific type.
June 28, 2021
7:45, EEST
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Sabari
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Hello,

i am trying to get a node on server by this way : uaClient.getAddressSpace().getNode(nodeId,CustomType.class)
but i get a BaseObjectTypeImpl not CustomType.

Does the SDK have another method to retrieve a node in the desired type ?

Thanks

June 28, 2021
8:48, EEST
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Matti Siponen
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Hello,

What do you mean you get BaseObjectTypeImpl? If the Node cannot be cast to the specified class, then a ClassCastException is thrown by the getNode method.

June 28, 2021
9:20, EEST
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Sabari
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Hello,
the uaClient.getAddressSpace().getNode(nodeId) returns a node with type BaseObjectTypeImpl while in the server the node is defined with type CustomType.
getNode(nodeId,CustomType.class ) throw ClassCastException.

Is there any other way to retrieve a node from the server with its right TypeDefinition ?

June 28, 2021
10:07, EEST
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Matti Siponen
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Hello,

Has the Server application also been made with Prosys OPC UA SDK for Java? Has CustomType class been generated from a NodeSet file with the Code Generator? If it has been generated with the Code Generator, have you registered the the Information Model with UaClient.registerModel method?

If the getNode method is returning BaseObjectTypeImpl when no class is specified, then the type of the Node on Server would seem to be BaseObjectType. Have you verified that its HasTypeDefinition Reference targets CustomType TypeDefinition Node?

June 29, 2021
9:00, EEST
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Sabari
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Hello,
I found that i was not register the information model with UaClient.registerModel method.
Now i get the node with the right TypeDefinition.

Thanks

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