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#Business Process (BPL)

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InterSystems Ensemble Business Process Language (BPL) is a language used to describe executable business processes within a standard XML document.

Documentation.

Question
· Mar 14, 2023
Creating Http Responses

Hello,

I want to generate and return an http response based on the input of a http GET request. For my first steps I used an EnsLib.Http.GenericService, which uses an EnsLib.HTTP.InboundAdapter to receive requests like http://[my server]:[my-port]/some-path?ID=12345678.

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I have a vendor that is sending me an Abbreviation in FT1:16.4.2 that I need to look up against a table to find the correct ID for.

FT1|1|||20180523161501|20180523161503|CG|1906551^Lipid Profile|||1||||||^^^ LAB&06CL|||Z00.00||00410^Knerr^Joel||721410||30100001^Lipid Profile|

But in my Business Process when I refer to request.GetValueAt("FT1:16.4.2") its not recognizing that this field contains information. Is my syntax wrong?

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I am creating a BPL using the Management Portal instead of creating a custom class.

As per the documentations 'request object' contains properties those were in the original request message object or primary request and can be reference using the dot syntax.

So if the primary request was an HL7 message, i should be able to pull the value MSH:9.2 as follow

request.{MSH:9.2} and assign it to a context property

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Question
· Apr 1
stdout logging

In The Business Process and the Business Operation, I am using the following code to get the value of TimeCreated and TimeProcessed

BP:

%Ensemble("Process").%PrimaryRequestHeader.TimeCreated

%Ensemble("Process").%PrimaryRequestHeader.TimeProcessed

BO:

..%RequestHeader.TimeCreated

..%RequestHeader.TimeProcessed

But I am trying to use ..%RequestHeader.TimeCreated in Business Service it is not storing any value.

How to get the value of TimeCreated and TimeProcessed in Business Service?

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Is there a way to have a context property be available across 2 or 3 different business processes? For example if I am setting a value in a context property within one business process and want to use the same context property in a second business process, is this possible? Is this something that can be done with the "Context Superclass"?

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Hi! I am working on a project where I use record map to transform a flat file and split it into two output text file and in the future will need to split four output files.

I only want to use one target business operations instead of multiple. Is there a way to set the output file and the target folder path in my business process class?

Any advice on how I can achieve this or is this possible? Thanks!

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I have a BPL Business process which always processes messages - mainly it waits for responses since downstream systems are seriously async.

I need to update this process.

Wwould the existing instances of this Business Process complete correctly after the update?

My BPL changes would result in:

  1. New S method in the Thread class
  2. New OnResponse method in the context class

Both changes are in the middle of the process, so there are S/OnResponse methods before and after my change.

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I have an XML I am sending to an operation from a BPL. This is a query for Patient information from Epic using a web service. I created the operation using the add-in in Studio. I setup the BPL to do a Call and send whatever data I receive from the client. I get a response back from Epic with a list of matching Patients. In the BPL I am trying to use the Response Builder to pass the response ID, name, DOB, etc. to matching context items to then pass to the client as a response. I get the following error within the call:

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We are trying to convert some of our SQL Service Integration Service jobs from Visual Studio to Ensemble. If we execute a Stored Procedure within SQL Server Management Studio it is returning approx 12,000 rows. However when Ensemble executes the same Stored Procedure it is only returning 250 rows.

Is there a limitation to EnsLib.SQL.Snapshot?

This is how we are calling the Stored procedure

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Hi,

While starting newly created production I am getting below error:

17:14:05.498:Ens.Director: ERROR <Ens>ErrProductionSuspendedMismatch: Production 'Training.NewProduction' was suspended, a new production of a different name can not be started.

Please note that I can start and stop 'Training.NewProduction' successfully but still the status of the Training.NewProduction' is suspended.

Thanks

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Question
· Jan 9, 2019
Limit to Ensemble queues

Hi all,

Does anyone knows if there is a limit per second adding messages to an Ensemble queue? I have a Business Service working and sending async requests to a Business Process, but I can't reach no more than 60-70 messages queued per second.

I've done several tests and same behavior seems to happen with all our productions. So I was wondering if there is a parameter anywhere to maximize the number of requests that can be send to a queue per second.

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Did anyone run into this error when stopping a Production from Ens.Director?

Ens.Director::StopProduction => ERROR <Ens>ErrProductionNotQuiescent: IRIS can not become quiescent

It happens sporadically when an automated unit test from a class that extends %UnitTest.TestProduction runs a test on a Business Process. I already increased the parameter MAXWAIT to 30 seconds, but the error still happens.

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New to Health Connect so please forgive me if this is a stupid question! Is there a specific error code returned when a user initiates an abort from the jobs tab of the business host? I want to be able to treat the Abort as Completed due to our complex business process. Currently, hitting abort just retries the message to the same business operation. Want I want to do is provide the error code used by the Abort (if there is one) and treat it as OK

Thanks in advance.

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Once a week we are attempting to load an XML file from Workday into a MS SQL table using JDBC and Store Procedures. There is approx 102999 records in this XML file. We are struggling with processing the entire file within a reason amount of time. We feed the XML through a BPL to then populate values in a stored procedure then call the stored procedure through a Business Operation. I have tried splitting out the Business Operations to make two calls, but we still continue to see an issue loading the XML into MS SQL.

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Hi ,

I'm currently working on a BPL (Business Process Language) in InterSystems Ensemble, and I'm facing an issue when trying to call the SendRequestSync() method within a code activity. My understanding is that SendRequestSync() is part of Ens.BusinessProcess, and since Ens.BusinessProcessBPL extends Ens.BusinessProcess, I believe it should be accessible.

However, during compilation, I'm encountering an error stating that the method doesn't exist in the class.

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Question
· Jan 20, 2021
Multiple Threads In Operations

I have a BPL that calls a business service (actually does lots of other things unrelated to my question). We receive an acknowledgement back containing data that is processed in the BPL and sent to the source system. The process of sending to our downstream system "A" and receiving the response takes about 20 seconds per transaction (very slow on system A's side). Due to this slowness, we end up with a backlog close to 1000 messages by the end of the workday.

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I have a business process.

if it has an error it dies, or if a have a catch all/fault handler the execution flow goes there.

However, I want another behavior.

If any error occurs I want the process to "Pause" (and alert me), so I can figure out what went wrong and resume from the last request.

Here's an example of how it could work:

  1. If an error is caught, call BO
  2. BO defers response
  3. BO sends alert
  4. Fix BP
  5. Manually resolve deferred response

I'm not set on the exact pause/resume mechanic but I hope it makes the general idea of what I want clear enough. Ideas?

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Hello,

I want to add a couple of properties to a custom Transform class to give the user the ability to edit its properties directly in the Business Process visual editor. It can be easily done with other Production components, but I can't find in the documentation how to do the same with my Transform. Is it possible?

And another question is about how to use the 'aux' parameter of the DataTransform.Transform method if my component is non-visual?

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Hi community.

I have an API that is deployed in my production (business service) and it calls to a business process to retrieve the information that is requested.

The problem that I have is that the calls are queued and it's creating a bottleneck

The business process is taking more time than needed.

Is possible to configure the BP to process parallely the requests?

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Question
· Jul 20, 2018
Oracle Transaction

Hi,

I have a question related with EnsLib.SQL.OutboundAdapter adapter.

Is there a way to open an oracle transaction and do either commit or rollback depending on the query result?

Is posible to keep open an oracle transaction to execute a lot of queries on different methods on the same business operation and do a commit when the business process finished?

Thanks and Best Regards

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Question
· Mar 20, 2019
Query Response from MSSQL

I am having an intermittent issue that when I make a call to MSSQL from a BPL that the response does not come back in the amount of time required. Since the call from the BPL is synchronous I tried changing the timeout to 60 but it has not helped (see below). Is there anyway to guarantee that the call waits long enough for a response before continuing on?

Thanks

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Hi All,

If I remember it correctly there is a functionality in IRIS to make this possible.

I've got two incoming Business Services of files from different sources.

BS1: An Ens.StreamContainer with some info and metadata which point to a specific file. Ens.StreamContainer will be send to a BP.

BS2: The files where the metadata points to. It's in the Ens.StreamContainer

But dependent on the flow the file could be later available on BS2. So I want the BPL to wait for the file to arrive at BS2.

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