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#Mapping

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Mapping of classes, routines, globals to Namespaces.

For a HL7 production, How will I be able to use two different segment level transformation (sub transform) in the main transform.

For Ex:
Few mappings from source PID --> target ZAX segment (subtransform 1)
Few mappings from source PV1 --> target ZAX segment (subtransfrom 2),

In the main mappings, I have used subtransform 1 followed by subtransform 2. It doesn't seem working fine.

Any suggestions please. Thanks:)

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Article
· Sep 2, 2016 2m read
Advanced URL mapping for REST

By now it's a commonplace how to implement a basic REST API in Caché and there is good documentation about it here: REST in Caché

A question that comes up from time to time is:

How can I make a parameter in my REST url optional?

Simply put, is it possible to create a URL map in Caché that maps a URL like this:

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Question
· Apr 1, 2017
XML to Json conversion

Hello,

Are there any utilities/api in HealthConnect 2016.2.1 that will allow conversion of XML virtual document to Json format? We were thinking to convert HL7 ADT message to XML via Ensemble DTL and then send it to another BP to convert to Json format for transmission via Web Services. To my understanding there isn't anyway to represent Json as a virtual object so it can be use for direct mapping of HL7 2.x message to Json via Ensemble DTL.

Thanks

Yuriy

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Hi all,

We faced a problem where we would like to map a $lb object to its corresponding data model structure in order to later on export it as JSON.

So imagin that we have something like this that actually maps to a persistent table with its structure. 

$lb("",,,,,"",,,"BOOLEAN","0",2,2,"1",,"bla",$lb(,,"bla","20050502123400"),"",1,"bla",,0)

Is there a way to transform this $lb (without the need of openig the object itself) to a JSON object with the proper table fields as properties?

Many thanks

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Hi people,


I am migration my web application of Cache 2013 to Cache 2016, in Cache 2013 I have a integration with a Java aplication using Java Gateway mapping proxy classes and consuming a method that param is a object, and it works perfectly.

But in Cache 2016 this integration don't work, I send the param as object but Cache send as String with the ref of object...

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Question
· May 27, 2017
Insert SQL

I am inserting rows in a table. This table is appearing in all namespace as I did global mapping.

So once I run insert command from a method, it insert the rows. When I run the same insert command from other namespace, it replace the existing data in table.

Insert command is same in all namespace but the data I m inserting is different.

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I created a DTL to do HL7 mapping. The test function in the tools works the DTL perfectly but when used by the rule in my business process, the OBX segments are stripped and the MRN is gone. The assigning authority and ID type are added into the PID but the actual patient MRN is blank (3.1 value).

Here is the source code.

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Article
· Mar 28, 2017 2m read
Map, Reduce and Filter Collections

Inspired by the article "Declarative development in Caché" that's still trending on the dev com. The OP explored a functional style of iterating over a collection. A comment today suggested "Caché would need syntax support for anonymous functions".

With Macros you can kind of get anonymous like syntax using dot notation.

This is not production code, but it does work. First the macros...

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Currently, we have an application running in one namespace ("Database B") that has globals and routines mapped to another database ("Database A"). After enforcing clean up on Database A, we found that 90% of the disk is free. We would like to compact Database A and release the unused space. However, we are running OpenVMS, which seems to be the issue.

For databases consisting of only globals, we are able to use ^GBLOCKCOPY; however, we need to ensure that the routines and mappings are also copied.

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Question
· Jun 9, 2016
REST Services Cataloging

I've been building up a REST services API, consisting of a dozen or so classes referenced from a Dispatch class, which has route mappings for the first piece of the URI. I'd like to have the Dispatch class be able to output all of the available Services, with some documentation. Is there something like a %Library resource that I could use to pull this information from each of the classes?

Thanks

Chris

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In this posting I want to raise the profile of a feature that arrived in 2009.1 but is perhaps not very well known.

It is sometimes useful to make certain packages, globals or routines available to all of your namespaces. Of course you can add the necessary mappings whenever you create a new namespace, but here's a simpler way.

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Question
· Mar 3, 2017
Large HL7 Batch

Hi

I need to process a very large Batch file which contains HL7 charges which we pull using FTP. I need to loop through the file and do some checks and then split the large Batch file in to individual messages. These individual messages then gets process through a different module to create a output batch of different format

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If your Ensemble environment is actually a HealthShare one, here's a snippet of information that I wasn't able to find in the documentation.

When a namespace is HealthShare-enabled it gets some mappings added to it in order to fetch stuff from the HSLIB database. The most obvious mapping is a package mapping that gives your namespace all the HS.* classes.

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I'll be doing my first xml transform soon and I'm hoping to find a good graphical mapping tool to generate the XSLT. Does anyone have any recommendations? I've tried the demo of Altova MapForce and it's exactly what I want but it's super expensive. Working for a non-profit it would be nice if I could find a free or cheap solution.

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Currently, namespace Alpha is configured to use database AlphaDB as its global database. How would we go about having namespace Alpha configured to use database AlphaDB for its global database except where global ^Customers(CustomerId) has a CustomerId greater than 10M, which we would like to have it redirected to database BetaDB.

In other words, ^|"AlphaDB"|Customers contains all customers between 1 and 10,000,000; and ^|"BetaDB"|Customers contains all customers greater than 10,000,000. Any help would be appreciated.

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Hi,

is there a way to copy namespace mappings from another namespace to a new namespace programmatically with a command?

When using management portal there is an option to choose an existing namespace to copy the mappings from, I'm basically looking for the equivalent from command line / COS.

Thanks

Martin

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Question
· Aug 18, 2016
Read only Async mirror setup

I have setup an async reporting mirror member with Read only access. My problem is that if I try to do any sql reporting against that data I am getting errors. I am sure that this is because the DB is read only, but I had assumed that setting up a reporting mirror would handle this.

I there a setting or mapping I am missing?

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Is there an out-of-the-box or accepted standard method for loading up mappings between different code sets and then referencing these mappings (both directions) from DTL? First thought was the built in Lookup() and corresponding data tables but these only work in one direction (key -> value) and not the reverse. Obviously I can build my own classes to support a two way mapping but am wondering if there's a standard way of achieving this. The mapping should contain the code and display name from each of the code sets and allow mapping based on either code or display name.

Thanks

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Article
· Aug 5, 2016 8m read
HealthShare's new SDA extensions

Creating and working with the new SDA extensions for storage of custom data elements

In HSCore 15.01, there is a new way to store custom data elements. HealthShare now had the ability to use custom extensions on many SDA elements.

This article will:

  1. Show how to set up your system to use SDA extensions
  2. Create a new SDA extension property
  3. Use the new SDA extension property in HL7 transactions
  4. Interact with the new data
  5. Show new SDA extension used in a customization of Patient Summary Report

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I want to override the Get and Set methods of a class property. The class maps to a pre-existing global. The property is defined like so:

Property Invalid As %Library.Boolean;

with the property mapping to a node like ^GLOBAL(Code,"INVALID")=1
Code is a property in the same class.

The value can be 0 or 1 or the node might not exist. When it doesn't exist I want the value of the SQL field to come out as 0 (false).

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Hi,

I am trying to use data transformation (DTL) to map a JSON to SDA. My elements in the source JSON is not one to one with SDA object. That means I have to add code to loop through these objects in order to complete the mapping. Can someone send me a sample that can look to create that? I am not very comfortable with scripting language used in Health Share. Appreciate your help.

Regards

Joseph

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