Acumatica Application Architecuture


Hello everybody,

today I want to leave a short note about Acumatica Architecture. Take a look on this picture:

As you can see from the schema business logic controllers is kind of single source of truth. Acumatica doesn't have dependencies between UI and Web services. Also it means, if you hide something from UI on the page, it will be also hidden from Mobile app.

But want to say about few exceptions as well.

Suppose following scenario. You make a graph, and you know for sure, that from UI standpoint, it's logicall to load some visualization data, but from API call there is no reason to call some piece of code. How to inform Acumatica about it?

For this purpose you can use IsContractBasedAPI method of class graph. It may look like this:

if (!Base.IsContractBasedAPI)
    // Do something for UI
    //Do Something for non UI

Among other interesting modes of functionality, it is worthy to mention also IsMobile ( do something only for mobile apps ), IsExport ( do something in scope of export scenario ), IsImport ( do something in scope of Import scenario ), IsCopyPasteContext ( do something in scope of copy/paste functionality )


Taking into account all of these facts, you can be almost certain that in majority of cases Acumatica will execute pieces of logic like on the UI of Acumatica instance. But it will not be 100% times. So next time, when you API call give you data different of what you see in UI, check base source code, maybe there is the issue.


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