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Here's one way to determine if a class is mapped (i.e. it is in a package whose definitions come from a database other than the default code database for the current namespace):

SAMPLES>w ##class(%Library.RoutineMgr).IsMapped("Cinema.Film.cls")
0
SAMPLES>w ##class(%Library.RoutineMgr).IsMapped("%iKnow.Objects.Source.cls")
1
SAMPLES>

If you pass a by-ref second argument to IsMapped you can also discover what database the class definition is stored in:

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Question
· Jul 16, 2017
How to index a class

Hi

I have two persistent classes defined. Lets call it Parent and Child.

Child class is one of the property of Parent Class.

I would like to define a index on Child class.

So what is the default behaviour I defined a index on a non simple data type member?

Any possibility that I could customized the behaviour ? For example. Child class has three properties.

Could I configure the index to index any combinations of these three properties?

Thanks for your help.

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Question
· Nov 17, 2017
Token Generate Method

Hi community ,

i develop my LogUser Method on my rest API , the scenario is as follow :

when user enter his login & password , i check first in my table if he exists (this stape is done), now i want know how generate acces token from authorization server , i've as idea to call the "%OAuth2.Server.Generate" which is implemented on the configuration party (we find the correspondint attached screenshot ), but i don't know if i'm sure , we find here the developped method:

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What is Distributed Artificial Intelligence (DAI)?

Attempts to find a “bullet-proof” definition have not produced result: it seems like the term is slightly “ahead of time”. Still, we can analyze semantically the term itself – deriving that distributed artificial intelligence is the same AI (see our effort to suggest an “applied” definition) though partitioned across several computers that are not clustered together (neither data-wise, nor via applications, not by providing access to particular computers in principle). I.e., ideally, distributed artificial intelligence should be arranged in such a way that none of the computers participating in that “distribution” have direct access to data nor applications of another computer: the only alternative becomes transmission of data samples and executable scripts via “transparent” messaging. Any deviations from that ideal should lead to an advent of “partially distributed artificial intelligence” – an example being distributed data with a central application server. Or its inverse. One way or the other, we obtain as a result a set of “federated” models (i.e., either models trained each on their own data sources, or each trained by their own algorithms, or “both at once”).

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Hi Community!

Please welcome a new video on InterSystems Developers YouTube Channel:

Adopting InterSystems IRIS

https://www.youtube.com/embed/XKc0_qXS87c
[This is an embedded link, but you cannot view embedded content directly on the site because you have declined the cookies necessary to access it. To view embedded content, you would need to accept all cookies in your Cookies Settings]

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I have an xml file that I read into objects and I am trying to print that file back in nested xml anyone with idea on how that can be achieved or where I can read in order to achieve this, here is an example of what I am trying to do.

From this

<Root>
  <FamilyMembers>
  <familyName>
  </familyName>
  <Name>
  </Name>
  <Age>
  </Age>
  <Employment>
  </Employment>
  </FamilyMembers>
</Root>

To this

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Question
· Nov 23, 2016
Cache up in emergency mode

Good Morning, All replies are appreciated.

We have a development instance of cache that was installed and the person that installed and set it up is no longer here. We have no id's that we have the passwords for. I have brought the database up in emergency mode and I can get access thru the terminal using my emergency id but I do not know how to add a user/password thru the terminal. Can someone enlighten me or point me to documentation that I haven't found yet.

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Question
· Mar 30, 2020
Error Switching Journal

Hi,

I'm having a problem when I'm attempting to freeze the instance.

I have a pre-script and post-script to freeze and unfreeze the instance, but when the script execute: 

 csession INSTANCE_NAME -U '%SYS' "##Class(Backup.General).ExternalFreeze(\"$SNAPLOG\",,,,,,1800)"

It's give me this error and fails the freeze: 

Backup.General.ExternalFreeze: Failed, Unable to switch local journal file, Error: -99,ERROR #1142: Error switching journal file: 0
vi

At cconsole.log file show this:

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I'm currently working with a developer to add IRIS/Caché functionality to his HL7 analysis tool that would allow its users to extract messages directly from the Ensemble message store. IRIS for Health Community Edition has been a great aid in debugging this, but I keep banging into the 5 connection license limit with Studio, the Management Portal, an IRIS terminal session and a client database connection using either ODBC or ADO.NET.

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I have a persistent class.

I want to store one of the properties there as a stream or a string depending on a size.

99% of values would be strings (less than $$$MaxStringLength characters) so I don't want to store everything as streams.

What do you think of this approach?

What's the best architecture to implement in this situation?

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Question
· Oct 17, 2017
Ensemble scheduler

Hello!
We have had incidents with the scheduler in some integrations.
The problem is that the scheduler do not execute at seemingly random occasions.
Has anyone else experienced this? If so how have you handled it?
Is there a smart way to be informed about these non events.
I have an idea to build an integration that goes thru all the other integrations, looks at their schedules and compare it with lastrun information in someway but I am not sure if it is doable.

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Article
· Jan 16, 2020 2m read
Python Gateway VI: Jupyter Notebook

This series of articles would cover Python Gateway for InterSystems Data Platforms. Execute Python code and more from InterSystems IRIS. This project brings you the power of Python right into your InterSystems IRIS environment:

  • Execute arbitrary Python code
  • Seamlessly transfer data from InterSystems IRIS into Python
  • Build intelligent Interoperability business processes with Python Interoperability Adapter
  • Save, examine, modify and restore Python context from InterSystems IRIS

Other articles

The plan for the series so far (subject to change).

Intro

The Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations and narrative text.

This extension allows you to browse and edit InterSystems IRIS BPL processes as jupyter notebooks.

Open Exchange app
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Question
· Aug 10, 2018
Ensemble - Username

Hi,

Not sure if is possible, but I am trying to find the way to show in the log the username of whoever enable a specific service. The idea is that a service is normally disabled..if someone enable it, the username will be reported to the log...

I have tried with $username but it only return "_Ensemble" when running from ensemble although it works in Studio.

Thanks

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Hi,

I wonder if you could help me with a problem with persistent globals and journals.

We have a few interfaces using a persistent global just to translate some codes. The use of that global is like a lookup table...an interface calls a method that search for a field (in the message) in the global. If found, the code is translated with another field from the global.

The format of the global is something like:

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Data transformations can be changed in Management portal, but the modifications are not synced with visual studio code. Classes are synced from VSCode to Iris. VSCode can take care of the git repository.

I am curious to know how people are developing data transformations on Iris with VSCode? Are you editing the DT classes with VSCode and forget about the UI? Are you exporting from management portal the files to VSCode directory? Are you using a source control hook?

Thank you

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Question
· Mar 2, 2018
$zt

Can anyone guide me where is the documentation for $zt?

The google seems suggest it may be "$ztime" or "$ztrap".

Thanks.

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You probably have a similar experience.
The more I use Atelier the more I miss INSPECTOR that I had in Studio!

First for PROPERTIES that can inherit a variable number of Parameters beyond imagination.
take %XML.Adapter as the most obvious.
next:
Where to find all inherited methods that I eventually want to overload? Take %Persistent as example.

Or where or how can %OnBeforeAddToSaveSet() (the correct camel case) be overloaded ?

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