Sure.. the JNI portion is unavoidable.   But wouldn't it depend on what was
being done?.. is the switch back and forth worse than the whole unit as
regular Rexx.  And doesn't the additional capabilities of being able to use
Java / utilities add enough value?

Rob Schramm

On Fri, Oct 27, 2017, 12:07 PM David Crayford <dcrayf...@gmail.com> wrote:

> On 28/10/2017 12:02 AM, John McKown wrote:
> > On Fri, Oct 27, 2017 at 10:43 AM, Rob Schramm <rob.schr...@gmail.com>
> wrote:
> >
> >> Has anyone looked or asked the NetRexx guys if there is a way to use TSO
> >> type of commands in NetRexx?
> >>
> > ​I can't see any way to run a TSO command using NetRexx. But, in a more
> > general sense, I don't see any way to run a TSO command from a Java
> > program. NetRexx, being a JVM based language, can do anything that Java
> can
> > do. In particular, a NetRexx program can use JCICS and so be used to
> write
> > CICS programs. Or it can use JZOS / JRIO to do "batch" type work. But I
> > don't see any Java library to invoke a TSO command. ​
> >
>
> And as Martin pointed out to do so would require JNI which would burn
> CPU cycles and be pointless. Crossing a JNI boundary is expensive.
>
> >
> >> Rob Schramm
> >>
> >>
>
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Rob Schramm

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