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#Business Rules

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Business rules are the part of InterSystems Ensemble production solution which allow nontechnical users to change the behavior of Ensemble business processes at specific decision points.

Question
· Jun 19, 2017
Date Filtering Functionality

I have come across several cases where I need to set a Date filter to send only send any admit/scheduled date past a certain point. We have a couple different date comparison functions but none looking at the true date. Most of them are date + 15 or etc. Does anyone have a good date function they have written to say if x > 20170102 ?

Thanks

Scott

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Hi,

Business Rules can define a context object, whose properties are exposed and used in the expressions of the rules. For example, my context object is an object with 3 properties. PropA, PropB and PropC.

When constructing my rules, I can call a custom function, and I have one I built myself called 'myFunction' which takes arguments and I pass in properties of my context object. (I can pass in the value of the context object's PropA, B or C).

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Does anyone have experience in creating a Business Routing Rule using Exists function?

I've used the comma delimited 'In' function, but I would like more manageability. Entering and remove items from a look up table would be much easier to manage then changing the comma delimited string.

Messages go to error state.

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I'm not sure what the purpose of this is, but the Management Console causes the browser to refresh periodically. If you're in a form or an editor such as the DTL or Routing Rule editors, you may lose work unless you save frequently. This did not occur in Caché 2018 and earlier releases.

I've had a couple of incidents where I've created a number of rules in the DTL editor, answered the phone or stepped away for a few minutes, then come back to find any work since the last save erased.

I've noticed this in both 2019 and 2020 releases of IRIS.

Heads up!

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I am trying to create a rule which filters out ADT_A08 messages, when they have an OBX segment and their EVN.4 is "COD" or EVN.4 is "FIN"

The attempt is:

I have sent messages with EVN.4 COD or FIN and they are filtered out correctly

However if I remove EVN.4 and leave just the OBX filled up, the message passes from the Process to the Operation.

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We have a case where we have 1 message coming in, but then sending two messages out to the same location. Even with FIFO sometimes the messages get out of sequence depending on what is need to be done to the message in the DTL before send. Is it possible to call sleep or Halt or write some kind of a function to put a pause in a routing rule between two sends?

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Question
· Aug 19, 2019
Filter by time in Routing Rule

I have a colleague that is trying to eliminate any HL7 transactions that have admit date/time of midnight from going to an downstream system within a routing rule. I have tried several different iterations of code trying to figure this out just in the routing editor. Without having to write an object script function is this possible?

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Question
· May 31, 2019
Conditions within ruleset

Hi guys

I have always struggled with this, tended to use workarounds but now decided to hear from more experienced people if this is something I am misunderstanding.

I need to basically add a "send" within the ruleset number 2, but without a need to associate a "when" node to it. Is this possible? What I basically need is to forward messages with status 160 to "ManageEDM" and also regardless of the status, it should get sent to "ManageRIS"

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Hi, all.

I know this is basic, and I think I have done this before, but I haven't been successful this time.

In a Routing Rule, I would like to take the value of MSH:9.2, see if that value does NOT exist in a lookup table, and ultimately return out of the rule if true.

So, if my message is an "A05", but "A05" is not in a particular lookup table, then it evaluates to 1, and I execute my action of "Return" and the rule ceases processing.

Is there something incorrect with my sample code below?

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Hi,

The context of the rule set contains an ArrayOfDT(I've also tried Collection.ArrayOfDataTypes).

I need to access an element using its key in the rule set using the assign function. I've tried everything I can think of and searched the documentation, but can't find anything. It is probably very obvious.

Can you please help?

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Question
· Sep 14, 2018
Business Rule Looping

Does anyone know how to loop through a segment that is part of an ordered set in a Business Rule and if one of about 10 possible values exist in any of the iterations of the segemnt:field I then allow the message to be skipped?

It seems like it should be fairly simple, but i am having a difficult time figuring this out. The Contains function only allow for one value to be identified. I have tried the intersectsList and while I think I have it formatted correctly i believe it only allows for 4 values to be verified.

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Hi,

I have a routing rule that calls some utility classmethods, but for some reason the compiled version insists on linking to a utility function in a different package.

The call to 'SendToEaling(HL7)' in isn't compiling to a call to the LNWTIEPackage as expected:

##class(LNWTIEPackage.RoutingRules.Utility).SendToEaling((pContext.HL7))

but is instead becoming a call to the LNWDeploy package

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Routing Rule Usage -

Can we use Functions and Methods with multiple parameters and refer objects by reference as parameters inside Routing rule ?

How do we handle DB related workflows in Business Rules ?
How can we perform Response object based handling in Business Rules ?
Can we try by extending methods with Ens.Util.FunctionSet and pass in the Context object from the rule as a parameter for certain functions ?
Can we split the Business Operations into methods that can be used from the routing rules and create the message route request flow ?

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I am currently trying to add a condition to a routing rule that uses the %Source property of a routing rule. Unfortunately I am getting compile errors when I use the "%", and if I get PROPERTY DOES NOT EXIST if I try and use any of field. I have tried referencing the messages as "Message." , "Record.", "FullRecordMapClassName." , "Document." . Does anyone know how to reference the properties of a record map in a routing rule, or if it is even possible? Thanks!

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I have an interface that does not send me specific ID's, so I am scanning the AIL3.2 (Text) field for certain characters. The Routing rule is getting pretty big with all the OR statements. Is there a way that I can define what I am searching for in the data lookup table, and not have to scan the whole field that it does by default? Is there a way that I can simplify this?

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I've inherited a business service that takes a large XML document with repeating elements, extracts them via %XML.Reader and chunks them into separate persistent objects for delivery to a EnsLib.MsgRouter.RoutingEngine-based routing rule. Unfortunately, the lack of GetValueAt() for the message's class leaves me without much in the way of complex decision-making options.

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