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<== Date ==> <== Thread ==>

Subject: Re: void return value in RPC
From: Michael Davidsaver <mdavidsaver@gmail.com>
To: renato sanhueza <renato.sanhueza@alumnos.usm.cl>, tech-talk@aps.anl.gov
Date: Thu, 4 Jan 2018 10:08:56 -0800
On 01/03/2018 09:34 PM, renato sanhueza wrote:
> Good nights everyone,
> 
> I am toying with pvAccess and I want to implement a RPC that returns nothing (void). Reading the Java API I found that all RPC should return a PVStructure. I tried to return an un-instantiated PVStructure, but sending a Null causes an exception. What would be the best way of implement a void method?

A Structure need not have any members.  An empty structure is as close to void as the PVData type system supports.

Replies:
Re: void return value in RPC Benjamin Franksen
References:
void return value in RPC renato sanhueza

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