ExtractProperty

Available since Gaffer version 1.4.0

Extracts a property from an element

Examples

If present, the function will extract the value of the specified property, otherwise returning null.

Java

JSON

Full JSON

Python

final ExtractProperty function = new ExtractProperty("prop1");

{
  "class" : "ExtractProperty",
  "name" : "prop1"
}

{
  "class" : "uk.gov.gchq.gaffer.data.element.function.ExtractProperty",
  "name" : "prop1"
}

g.ExtractProperty( 
  name="prop1" 
)

Input type:

uk.gov.gchq.gaffer.data.element.Element

Example inputs:

Input Type	Input	Result Type	Result
uk.gov.gchq.gaffer.data.element.Edge	Edge[source=dest,destination=src,directed=false,group=edge,properties=Properties[prop2=<java.lang.String>test,prop1=<java.lang.Integer>3]]	java.lang.Integer	3
uk.gov.gchq.gaffer.data.element.Entity	Entity[vertex=vertex,group=entity,properties=Properties[prop2=<java.lang.Integer>2,prop1=<java.lang.Integer>12,prop3=<java.lang.String>test]]	java.lang.Integer	12
uk.gov.gchq.gaffer.data.element.Edge	Edge[directed=false,group=UNKNOWN,properties=Properties[]]		null