org.elasticsearch.painless.node

Class EElvis

java.lang.Object

org.elasticsearch.painless.node.ANode

org.elasticsearch.painless.node.AExpression

org.elasticsearch.painless.node.EElvis

public class EElvis
extends AExpression

The Elvis operator (?:), a null coalescing operator. Binary operator that evaluates the first expression and return it if it is non null. If the first expression is null then it evaluates the second expression and returns it.

Constructor Summary

Constructors

Constructor and Description
EElvis(Location location, AExpression lhs, AExpression rhs)

Method Summary

Modifier and Type	Method and Description
java.lang.String	toString() Subclasses should implement this with a method like ANode.singleLineToString(Object...) or ANode.multilineToString(Collection, Collection).

Methods inherited from class org.elasticsearch.painless.node.ANode

joinWithName, multilineToString, pairwiseToString, singleLineToString, singleLineToString, singleLineToStringWithOptionalArgs

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

EElvis

public EElvis(Location location,
              AExpression lhs,
              AExpression rhs)

Method Detail

toString

public java.lang.String toString()

Description copied from class: ANode

Subclasses should implement this with a method like ANode.singleLineToString(Object...) or ANode.multilineToString(Collection, Collection).

Specified by:

toString in class ANode