ExtractKeys

Available since Koryphe version 1.1.0

An ExtractKeys will return the Set of keys from the provided Java Map.

Examples

Java

JSON

Full JSON

Python

final ExtractKeys<String, Integer> function = new ExtractKeys<>();

{
  "class" : "ExtractKeys"
}

{
  "class" : "uk.gov.gchq.koryphe.impl.function.ExtractKeys"
}

g.ExtractKeys()

Input type:

java.util.Map

Example inputs:

Input Type	Input	Result Type	Result
java.util.HashMap	{firstKey=2, thirdKey=9, secondKey=4}	java.util.HashMap$KeySet	[firstKey, thirdKey, secondKey]