Length

Available since Koryphe version 1.3.0

Attempts to returns the length of an object

Examples

Java

JSON

Full JSON

Python

final Length function = new Length();

{
  "class" : "Length"
}

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

g.Length()

Input type:

java.lang.Object

Example inputs:

Input Type	Input	Result Type	Result
java.util.ArrayList	[Entity[vertex=1,group=entity,properties=Properties[]], Entity[vertex=2,group=entity,properties=Properties[]], Entity[vertex=3,group=entity,properties=Properties[]], Entity[vertex=4,group=entity,properties=Properties[]], Entity[vertex=5,group=entity,properties=Properties[]]]	java.lang.Integer	5
java.util.HashMap	{option3=value3, option1=value1, option2=value2}	java.lang.Integer	3
uk.gov.gchq.gaffer.data.graph.Walk	[[Edge[source=A,destination=B,directed=true,group=BasicEdge,properties=Properties[]]], [Edge[source=B,destination=C,directed=true,group=EnhancedEdge,properties=Properties[]], Edge[source=B,destination=C,directed=true,group=BasicEdge,properties=Properties[]]], [Edge[source=C,destination=A,directed=true,group=BasicEdge,properties=Properties[]]], [Edge[source=A,destination=E,directed=true,group=BasicEdge,properties=Properties[]]]]	java.lang.Integer	4
java.lang.Integer	5		IllegalArgumentException: Could not determine the size of the provided value
java.lang.String	some string	java.lang.Integer	11
[Ljava.lang.String;	[1, 2]	java.lang.Integer	2
	null	java.lang.Integer	0