OpenROAD App Server and .Net Core

[Martin.B...@hse.gov.uk]

Dear all,

 

We have been developing websites in Asp.Net Webforms (using .Net Framework 4.x) with an OpenROAD middleware for many years with no problems.  However, we are now being told that the websites we are producing do not meet the required accessibility standards.  We are therefore, having to look at new technologies and have been given the following suggestions:

 

• .Net Core with ReactJs for front-end
• .Net Core with Vanilla HTML + JS for front-ends.

 

Is anyone in the group able to confirm whether .Net Core is able to communicate with the OpenROAD “COM objects” in the CA.OpenROAD.dll and CA.OpenROAD.Orrsolib.dll files, as we obviously don’t want to start down this route if we find we can’t use it for the majority of our existing websites.

 

Many thanks,

 

Martin Bloomfield
Application Developer & Database Administrator
Information Systems Development
Information, Technology and Facilities
Health and Safety Executive
YORK

 

martin.b...@hse.gov.uk

www.hse.gov.uk

Follow HSE on Twitter @H_S_E

 

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[Bodo Bergmann]

Hi Martin,

 

I haven’t worked with .Net Core, thus I don’t know if/how you can use original .Net assemblies (like the two DLLs you mentioned), though some articles on the web suggest that this is possible (version dependent).

Anyway, it should be possible to call 4GL procedures exposed by the OpenROAD Server using JSON-RPC requests from .NET Core.

This can be done without additional installation of any client side DLL (from Actian), just send HTTP POST requests (containing JSON-RPC requests as data) to the OpenROADJSONRPC servlet (running in a servlet container like Tomcat on the OpenROAD Server machine).
See https://docs.actian.com/openroad/11.1/index.html#page/ServerRef%2FJSON-RPC_2.0_Interface.htm%23 for more information (same applies to OpenROAD 6.2 using one of the recent patches).

 

HTH.

 

Kind regards,

Bodo.

 

Bodo Bergmann
Engineering Architect
Actian | OpenROAD Engineering
www.actian.com
GESELLSCHAFTSANGABEN: Actian Germany GmbH | Sitz der Gesellschaft: Halenreie 42, 22359 Hamburg | Geschäftsführung: Stephen Padgett, Marc Monahan | Handelsregister: Amtsgericht Hamburg | HRB 135991 | USt-IdNr: DE252449897

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[Martin.B...@hse.gov.uk]

Hello Bodo,

 

Many thanks for your reply.  We will have to take a look at the JSON-RPC features and investigate their use with .Net Core.

 

Martin Bloomfield
Application Developer & Database Administrator
Information Systems Development
Information, Technology and Facilities
Health and Safety Executive
YORK

 

martin.b...@hse.gov.uk

www.hse.gov.uk

Follow HSE on Twitter @H_S_E

 

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[Chris Clark]

On Monday, November 9, 2020 at 5:42:19 AM UTC-8 Martin wrote:

Many thanks for your reply.  We will have to take a look at the JSON-RPC features and investigate their use with .Net Core.

You mentioned that you'd discussed ReactJS and vanilla js for the front end, you could have those make the json-rpc call directly instead of proxying via .NET Core. Its going to depend on the architecture of your application and where logic resides.