Custom function to retrieve environment?

Question

Question

Scott Beeson · Jan 21, 2016

I want to do some logic based on what environment code is running in. I can't find a built-in function to retrieve this so I'd like to write a custom function. Does anyone know of a command that would get the current environment?

Discussion (9)2

Log in or sign up to continue

Timothy Leavitt · Jan 21, 2016

Another option, and a caveat about ^%SYS("SystemMode"):

It looks like you're using CCR.* "Environment" is a meaningful term in that context. In namespaces configured for CCR, you can retrieve the environment with $$Env^%buildccr, i.e.:

CCR>w $$Env^%buildccr
BASE

It is possible to have multiple namespaces on the same instance configured as different environments. ^%SYS("SystemMode") is set to the furthest-along environment (of BASE-TEST-LIVE) of any namespace on the instance. That is, if you have a namespace configured as BASE, and configure another one as TEST, ^%SYS("SystemMode") will be changed to TEST - and this is system-wide. Just something to keep in mind.

*CCR (Change Control Record) is an InterSystems in-house application used in sites where InterSystems does implementation work, so this isn't as generally relevant as ^%SYS("SystemMode").

1 0

David Loveluck · Jan 21, 2016

personally i would use

set mode=$System.Version.SystemMode()

which is documented and therefore a supported API. This package provides a wealth of classes and methods.

Look at documatic for the %SYSTEM package.

0 0

score 0 · Answer 1 · 2016-01-21T10:35:30-05:00

What do you mean by environment ? In Cache we dont have such term.

Maybe you mean System Mode on page "Memory and Startup" Page. If so, that value only stores in global here ^%SYS("SystemMode")

score 0 · Answer 2 · 2016-01-21T10:50:17-05:00

Scott Beeson · Jan 21, 2016

HSREGISTRY>w ^%SYS("SystemMode")
TEST

That's exactly what I want! Thanks!

0 0

score 0 · Answer 3 · 2018-10-20T07:42:32-04:00

Evgeny Shvarov · Oct 20, 2018

Converted to an answer.

0 0

score 0 · Answer 4 · 2016-01-21T12:11:19-05:00

Scott Beeson · Jan 21, 2016

We do use CCR, this will be useful in my decision. Thank you.

0 0

score 0 · Answer 5 · 2016-01-21T12:14:24-05:00

When I try this from a terminal it tells me the method does not exist. Am I missing something?

NAMESPACE>w $System.Version.SystemMode()
W $SYSTEM.Version.SystemMode()
^
<METHOD DOES NOT EXIST> *SystemMode,%SYSTEM.Version

score 0 · Answer 6 · 2016-01-21T13:15:49-05:00

It looks like that method only exists in Caché 2015.2.0+. You're probably running on an older version.

(write $zversion?)

score 0 · Answer 7 · 2016-01-21T17:03:13-05:00

Scott Beeson · Jan 21, 2016

Yep, 2015.1.1

Oh well. I think I have what I need. Thanks.

0 0