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.
This applies to embedded and dynamic SQL queries in Caché ObjectScript. If I attempt to terminate the process via Management Portal, nothing happens. Neither does Ctrl C nor closing the terminal window in which my program is running, nor setting a stop flag in a global which is read by the program on each loop iteration. The only way to stop the query appears to be restarting the Caché server (which is running locally on my PC).
So far, we have covered how to use ObjectScript to manage users, roles, resources, and applications. There are a few other classes in this package that work similarly to the ones mentioned above. However, these four classes are the ones everyone will have to use to manage their application security.
Visual Studio Code (VS Code) is a free source code editor made by Microsoft for Windows, Linux, and macOS. It provides built-in support for JavaScript, TypeScript, and Node.js. You can add extensions to provide support for numerous other languages including ObjectScript.
The InterSystems extensions enable you to use VS Code to connect to an InterSystems IRIS server and develop code in ObjectScript. The Visual Studio Code Documentation is an excellent resource on VS Code, so it is a good idea to be familiar with it.
I'm receiving in one of our interface a XML file as a %Stream.GlobalBinary, and in the source Application that produces this XML file, the user sometimes add a special character that force the XML file to have the header encoding to UTF-8, instead of ISO-8859-1 :
Here in %SYS, we have already examined users, resources, and roles. Now that we know how to set all of that up, we should give it a purpose. Next we will talk about applications! As you may expect, we will see various identical class methods defined here that we have seen in the previous classes. However, some of them will have some tiny yet significant differences.
I am trying to find out individual segment values in Message viewer and it display the values in Management portal, copied the query and run it on SQL editor, Segment values displayed with blank. Is there a way to get the individual segment values using query?
It's a feature of ObjectScript (perhaps widely known, perhaps not) that if you open the same object ID multiple times, you end up with the same OREF. For example:
Generally speaking, this is an important feature - you won't end up accidentally modifying the same record via multiple paths and losing some of the changes.
The related package avoids adding %JSONAdaptor to each class but uses instead SQL functions JSON_OBJECT() to create my JSON objects. With this approach, you can add JSON to any class - even deployed ones - without any need for change or recompiling.
The trigger was the Export of M:N relationships as JSON objects or arrays.
Hello everyone! I am wondering how I can retrieve multipart form-data from a request that is coming into my REST-service. I am supposed to retrieve a string and a file. The file is being retrieved without issues, but the "testprofile" string is not being retrieved at all. It just logs a an empty entry. The request that is sent to my REST-service has the Content-Type: multipart/form-data Thanks beforehand for the help! :)
Down below is the code I use right now to retrieve the string and file from Form-data Rest HTTP-request to my service.
ObjectScript allows you to pass any number of arguments using arrays. Do it by adding ... after the argument name.
An example is as follows. In the example statement, the argument information is set in a global variable (a variable stored in the database) so that it can be easily checked after the method is executed.
I recently realized it's been far too long since I talked about the latest features in the InterSystems ObjectScript Extension for Visual Studio Code.
I'm pleased to announce version 2.12.1 of the ObjectScript extension, containing a number of enhancements that make a developer's life easier. Some highlights are described below, including the #1 requested feature from Global Summit -- XML import!
There is a free ObjectScriptQuality tool for ObjectScript developers who upload solutions on GitHub. This tool helps developers validate ObjectScript code using a variety of rules, based on common code errors.
Is it possible to "Ping" a remote host in IRIS for Health using ObjectScript? We host hundreds of TCP connections over hundreds of VPNs. I'm working on a project that would make it nice to have way to ping remove clients over the VPN to monitor connectivity and keep the tunnels alive.
Another thought/method would be to make an OS system call (AWS Linux), but I don't see a way to do that either.
In this short article I would like to present an example of use that surely many of you who work with IRIS as the backend for your web applications have faced on more than one occasion and it is how to send a file to your server from the frontend.
Earlier this year I announced availability of a VS Code extension for coding in ObjectScript, Embedded Python or SQL using the notebook paradigm popularized by Jupyter. Today I published a maintenance release to correct a "getting started" problem.
Here's a video of the installation steps from the extension's README:
Methods written in ObjectScript can use pass-by-reference arguments to return information to the caller. Python doesn’t support pass-by-reference arguments, so Embedded Python in IRIS doesn’t support them either. That's it, that's the end of the post, hope you liked it. 😉 But wait, what about the Classic Rock & Roll?
I got a problem to resolve, to sum it up I need to extract a function body from a JS file with cos. I already got the JS code in a string and the function name but I'm kinda stuck as to how to get my function body, I already tried a few things (regEx, counter bracket) but there are comment and strings that block them from functioning. Is there a javascript parser or a good way to do it except by creating a javascript parser?
Hello, as i'm trying to develop a operation and its methods (SQL adapter), I'm running into issues when i run my test class. I have the class i want to test in the very same folder as my test class. I followed the tutorial in the documentation. When i run the test class, i get the following message error :
LogStateStatus:0::ERREUR #5002: Erreur Cache: <METHOD DOES NOT EXIST>zTestAdd+1^unitTests.testMyClass.1 *myMethod,Package.BO.MyClass
Here is my test class (heavily inspired bythe documentation :-) :
Suppose you have an application that allows users to write posts and comment on them. (Wait... that sounds familiar...)
For a given user, you want to be able to list all of the published posts with which that user has interacted - that is, either authored or commented on. How do you make this as fast as possible?
Here's what our %Persistent class definitions might look like as a starting point (storage definitions are important, but omitted for brevity):
In the next few weeks, my coworkers are planning to start using VSCode to code with InterSystems' products. Among the many advantages of that, I would emphasize being able to connect with other technologies, such as GitHub, with ease. Besides, VSCode also offers an extensive extensions store, where you can find many free add-ons that make coding faster and more efficient. Last but not least, to conquer the heart of every developer, it is open source.
Year
.png)
Open Exchange app.gif)