snapshot-to-JSON

This is a sample to use %JSON.Adaptor class available in IRIS
to produce a snapshot of your object.

The sample consists of 2 classes that are variations of what was
known in Caché/SAMPLES as Sample.Person.
Be aware that the possibilities are limited by %JSON.Adapter
and how you make use of it.

Once in place you create some test data by Populate().
You select an object and take a snapshot using %JSONExportToString();

You apply changes to your object take another snapshot.
And see the difference.

For better visualization package #ZPretty# is applied
BINGO!

Prerequisites

Make sure you have git and Docker desktop installed.

Installation

Clone/git pull the repo into any local directory

$ git clone https://github.com/rcemper/snapshot-to-JSON.git

To build and start the container run:

$ docker compose up -d && docker compose logs -f

To open IRIS Terminal do:

$ docker-compose exec iris iris session iris
USER>

or using iTerm

http://localhost:42773/iterm/

To access IRIS System Management Portal

http://localhost:42773/csp/sys/UtilHome.csp

How to use it

From Terminal in namespace USER just start

USER>do ^demo
obj=2@json.Person  ; <OREF,refs=1>
+----------------- general information ---------------
|      oref value: 2
|      class name: json.Person
|           %%OID: $lb("3","json.Person")
| reference count: 1
+----------------- attribute values ------------------
|       %Concurrency = 1  <Set>
|                DOB = 54951
|               Name = "Nelson,Xavier Y."
|                SSN = "273-10-9656"
+----------------- swizzled references ---------------
|   i%FavoriteColors = ""
|i%FavoriteColors(1) = "Red"
|i%FavoriteColors(2) = "Red"
|   r%FavoriteColors = ""  <Set>
|             i%Home = $lb("7510 Franklin Avenue","Albany","TX",96425)  <Set>
|             r%Home = ""  <Set>
+--------------- calculated references ---------------
|               MyId   <Get>
+-----------------------------------------------------
snap2="{""Name"":""Nelson,Xavier Y."",""SSN"":""273-10-9656"",""DOB"":""2017-06-17"",""Home"":{""Street"":""7510 Franklin Avenue"",""City"":""Albany"",""State"":""TX"",""Zip"":""96425""},""FavoriteColors"":[""Red"",""Red""],""MyId"":3}"

###############

{

"Name":"Nelson,Xavier Y.",

"SSN":"273-10-9656",

"DOB":"1991-06-14",

"Home":{

"Street":"7510 Franklin Avenue",

"City":"Albany",

"State":"TX",

"Zip":"96425"

},

"FavoriteColors":[

"Red",

"Red"

],

"MyId":3

}
{

"Name":"Nelson,Xavier Y.",

"SSN":"273-10-9656",

"DOB":"2017-06-17",

"Home":{

"Street":"7510 Franklin Avenue",

"City":"Albany",

"State":"TX",

"Zip":"96425"

},

"FavoriteColors":[

"Red",

"Red"

],

"MyId":3

}

USER>

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