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Robert Cemper · Jan 24, 2022 2m read

GlobalToJSON-Efficient

I have created a package that offers a utility to load a Global into JSON object and reverse     
to create a Global from this type of JSON object. Efficient refers to the structure created.
Only Globals nodes containing data are presented in the generated JSON object.

The export of this Global 

Generates a JSON object that covers all Global nodes 

USER>write $$Do^ZPretty(json)
{
  "gbl":[
    {
      "node":"^dc.MultiD",
      "val":"5"
    },
    {
      "node":"^dc.MultiD(1)",
      "val":"$lb(\"Braam,Ted Q.\",51353)"
    },
    {
      "node":"^dc.MultiD(1,\"mJSON\")",
      "val":"{}"
    },
    {
      "node":"^dc.MultiD(2)",
      "val":"$lb(\"Klingman,Uma C.\",62459)"
    },
    {
      "node":"^dc.MultiD(2,2,\"Multi\",\"a\")",
      "val":"1"
    },
    {
      "node":"^dc.MultiD(2,2,\"Multi\",\"rob\",1)",
      "val":"rcc"
    },
    {
      "node":"^dc.MultiD(2,2,\"Multi\",\"rob\",2)",
      "val":"2222"
    },
    {
      "node":"^dc.MultiD(2,\"Multi\",\"a\")",
      "val":"1"
    },
    {
      "node":"^dc.MultiD(2,\"Multi\",\"rob\",1)",
      "val":"rcc"
    },
    {
      "node":"^dc.MultiD(2,\"Multi\",\"rob\",2)",
      "val":"2222"
    },
    {
      "node":"^dc.MultiD(2,\"mJSON\")",
      "val":"{\"A\":\"ahahah\",\"Rob\":\"VIP\",\"Rob2\":1111,\"Rob3\":true}"
    },
    {
      "node":"^dc.MultiD(3)",
      "val":"$lb(\"Goldman,Kenny H.\",45831)"
    },
    {
      "node":"^dc.MultiD(3,\"mJSON\")",
      "val":"{}"
    },
    {
      "node":"^dc.MultiD(4)",
      "val":"$lb(\"\",\"\")"
    },
    {
      "node":"^dc.MultiD(4,\"mJSON\")",
      "val":"{\"rcc\":122}"
    },
    {
      "node":"^dc.MultiD(5)",
      "val":"$lb(\"\",\"\")"
    },
    {
      "node":"^dc.MultiD(5,\"mJSON\")",
      "val":"{}"
    }
  ]
}
USER>


And the related Loader creates exactly the same Global

Online Demo Terminal
Online Demo SMP

Video

GitHub

#Globals #JSON #InterSystems IRIS

Source URL:https://community.intersystems.com/post/globaltojson-efficient