InterSystems ObjectScript is a scripting language to operate with data using any data model of InterSystems Data Platform (Objects, Relational, Key-Value, Document, Globals) and to develop business logic for serverside applications on InterSystems Data Platform.
anyone know of a simple way to search a blob of text from a list of keywords in one fell swoop, without having to iterate through each keyword and perform an individual search? Ex.
We have a Unicode installation of Cache'. A client wants to send us documents that will be machine-read and loaded, automatically. They want to create the documents in ISO-8859-1 ("Latin-1"). We'd need to convert the text to UTF8 for our system. I saw the documentation on the $ZCONVERT function, but I didn't see this option. How should it be done?
We have a background job that keeps an eye on our ongoing CSP sessions, counts licenses used and some other tasks. Question: If I know the session ID (something like "wuuZ2Gwgxw"), how do I (find and) end that particular session programmatically in ObjectScript - i.e., the equivalent of %session.EndSession=1 in the csp page code?
Creating your own commands or shortcut is one of the strongest features of ObjectScript If you create your own Language Extensions to ObjectScript you mostly have to find the proper %ZLANGC00 or %ZLANGV00 or %ZLANGF00 and add the extensions manually.
A few utilities do it already automatically (ZPM, ZME, ..) This utility allows you to add your extensions also programmatically.
Background: We have our own SQL map that predates InterSystems'. A program writes an XML file for each table map class as $system.OBJ.Export would. $system.OBJ.LoadDir loads the XML files into .cls files.
The reason is a long story, but we need to update parameter EXTENTSIZE (only) in existing classes. This does not seem to happen. As a test I used $system.OBJ.Export to make an XML file and edited EXTENTSIZE in the two places it appears in the XML:
Recently we released the updated version 0.1.3 of ObjectScript Package Manager (ZPM) which comes with the support of simplified ObjectScript sources folder structure.
What 'simplified' does mean?
Before 0.1.3 ZPM expected the following structure:
/src
---/cls - for ObjectScript classes
---/cls/package_name/class_name.cls
---/cls/package_name/class_name2.cls
---/mac - or Mac ObjectScript routines
---/mac/package_name/mac_routine.mac
---/mac/package_name/mac_routine2.mac
---/inc - for ObjectScript macro include files.
---/inc/package_name/include_file.inc
Many of you publish your InterSystems ObjectScript libraries on Open Exchange and Github.
But what do you do to ease the usage and collaboration to your project for developers?
In this article, I want to introduce the way how to introduce an easy way to launch and contribute to any ObjectScript project just by copying a standard set of files to your repository.
Moving over from Studio To VSCode like many other will do now the ObjectScript plugin reached version 1.0, I noticed I was missing some items in the objectscript explorer. For example when creating a Rest API using the spec first approach, 3 classes are generated, an application.impl, application.disp and application.spec class, but the disp class was missing in the Object Explorer.
As the application.disp is a generated class, for showing these classes you need to turn this on by hitting the switch on the object explorer:
A while back I asked the developer community for a way to loop through repeatable HL7 segments and check them against a Data Lookup table within a Business Rule.
Is there an easy way to see if a class object has been compiled or needs to be? Or to get a list of classes that need to be compile in a particular namespace?
I have a process where I create a new %Stream.FileCharacter object, specify the filename (including it's path), write data to the stream, and then save. However for some reason, if the user account does not have write access to the directory, the %Save method is still returning true even though it was unable to actually write the file to the folder.
The location is a UNC path, and I'm wondering if this is tripping me up?
I had a challenge recently where I was asked to parse and iterate JSON to find a patient that has a forename = "Bill" and try to make the function that iterates through the code re-usable.
Being working in Healthcare there isn't much experience or demand for parsing JSON, as most of my work is HL7.
I took this on using the documentation and worked out a way to parse the JSON (see posts below for code and source data).
In previous versions of cache I used to be able to write click on a class and get a delete class option but in this version I can not find the delete class option was wondering if there is another way to delete a class if you wanted to do some house keeping.
N.B. These are the classes I create not the ones that comes with cache.
So now that I have figured out how to send a Page via HTTP.OutboundAdapter, I have another question. I want to use a Function that all I have to do is pass two variables and it is sent to the HTTP.OutboundAdapter I created to send the Page.
So.. If I have a class file that ExtendsEns.Rule.FunctionSet, how do I force it to send a Request to my HTTP Business Operation, without having to go through a DTL, or Business Process?
I thought i would share a little method I knocked together to traverse and compare 2 JSON objects for basic equivilance. I'm currently working on some data migration, and wanted a basic sanity check to validate that the JSON output is basically equivliant between the old and new, excluding a few things like timestamps.
It's a basic little recurvsive method, that will bubble up any differences over a nested structure. It's very low tech, as that's all I need it to do, but I thought it might be useful for others?
Visual Studio Code is a compatible IDE for InterSystems technology! Visit the resource guide to learn more about the VS Code IDE and how to use the ObjectScript extensions.
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I need another set of eyes to look at the following. Instead of a Data Lookup table, I wanted to try to lookup a value against a Cache table that I had build. So I thought I could write a function to run a simple SQL query against the Cache Table and return me a %Boolean value back to my routing rule. However today I found that it was not working properly.
Can someone take a look at the following method and verify that I am doing this correct?
index = column name
value = HL7 field that I am passing into the method
Every day Johns Hopkins University publishes new data on coronavirus COVID-19 pandemic status.
I built a simple InterSystems IRIS Analytics dashboard using InterSystems IRIS Community Edition in docker deployed on GCP Kubernetes which shows key measures of the disease outbreak.
This dashboard is an example of how information from CSV could be analyzed with IRIS Analytics and deployed to GCP Kubernetes in a form of InterSystems IRIS Community Edition.
I've been trying to figure out how to use an ObjectScript class to search other classes for specific strings. To be very specific, I want to be able to search business rules to see if a particular DTL is in the rule. We have some orphaned DTL's in our Ensemble productions and I want to make sure that they're not being used.
Sometimes it is necessary to execute commands from the shell of the host operating system, where your ObjectScript program is located, to launch programs, operating system services, schedule crontasks, among other activities. For this, the language has a utility procedure called $ZF(-100). See:
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