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.
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?
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:
One of the leading benefits of ObjectScript is the speed and efficiency it allows for an experienced developer. Let's look at an example of how you can benefit from ObjectScript today.
Suppose you have a class that stores the names of your users. We'll call the class Data.User, and give it a string property Name. Next, we will need a method to create a new user or update an existing one. A naive, simplistic approach might look like this example:
I have a case where I need to look up the NPI provider against an External MS SQL database to retrieve our Provider Identifier to send to a downstream system. In the past I would use a Business Process (BPL) to connect to the outside MS SQL via JDBC and get that information for me. But I was thinking instead of creating a BPL process to do this, would it be better just to link to the outside MS SQL database table to retrieve the information in a SQL statement within a DTL?
Languages like Java and C++ allows to develop a multi-threaded program with two or more parts that can run concurrently and each part can handle a different task at the same time making optimal use of the available resources specially when your computer has multiple CPUs. Is it possible In ObjectScript? If yes, Where I can get a good sample or application?
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