If

See javadoc - uk.gov.gchq.koryphe.impl.function.If

Available since Koryphe version 1.5.0

Conditionally applies a function

Examples

Apply functions to input

This example tests first whether the input contains 'upper'. If so, then it is converted to upper case. Otherwise, it is converted to lower case

Java

JSON

Full JSON

Python

final If<String, String> predicate = new If<String, String>()
        .predicate(new StringContains("upper"))
        .then(new ToUpperCase())
        .otherwise(new ToLowerCase());

{
  "class" : "uk.gov.gchq.koryphe.impl.function.If",
  "predicate" : {
    "class" : "StringContains",
    "value" : "upper",
    "ignoreCase" : false
  },
  "then" : {
    "class" : "ToUpperCase"
  },
  "otherwise" : {
    "class" : "ToLowerCase"
  }
}

{
  "class" : "uk.gov.gchq.koryphe.impl.function.If",
  "predicate" : {
    "class" : "uk.gov.gchq.koryphe.impl.predicate.StringContains",
    "value" : "upper",
    "ignoreCase" : false
  },
  "then" : {
    "class" : "uk.gov.gchq.koryphe.impl.function.ToUpperCase"
  },
  "otherwise" : {
    "class" : "uk.gov.gchq.koryphe.impl.function.ToLowerCase"
  }
}

g.If( 
  predicate=g.StringContains( 
    value="upper", 
    ignore_case=False 
  ), 
  then=g.ToUpperCase(), 
  otherwise=g.ToLowerCase() 
)

Input type:

java.lang.Object

Example inputs:

Input Type	Input	Result Type	Result
	null		null
java.lang.String	Convert me to upper case	java.lang.String	CONVERT ME TO UPPER CASE
java.lang.String	Convert me to lower case	java.lang.String	convert me to lower case
java.lang.String		java.lang.String

If

If

Examples

Apply functions to input

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