com.yahoo.bullet.querying.evaluators

Class NAryEvaluator

java.lang.Object

com.yahoo.bullet.querying.evaluators.Evaluator

com.yahoo.bullet.querying.evaluators.NAryEvaluator

All Implemented Interfaces:

Serializable

public class NAryEvaluator
extends Evaluator

An evaluator that applies an n-ary operator to the results of a list of evaluators.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NAryEvaluator(NAryExpression nAryExpression) Constructor that creates an n-ary evaluator from a NAryExpression.

Method Summary

Modifier and Type	Method and Description
com.yahoo.bullet.typesystem.TypedObject	evaluate(com.yahoo.bullet.record.BulletRecord record) Evaluates this evaluator on the given BulletRecord.

Methods inherited from class java.lang.Object

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

Constructor Detail

NAryEvaluator

public NAryEvaluator(NAryExpression nAryExpression)

Constructor that creates an n-ary evaluator from a NAryExpression.

Parameters:

nAryExpression - The n-ary expression to construct the evaluator from.

Method Detail

evaluate

public com.yahoo.bullet.typesystem.TypedObject evaluate(com.yahoo.bullet.record.BulletRecord record)

Description copied from class: Evaluator

Evaluates this evaluator on the given BulletRecord.

Specified by:

evaluate in class Evaluator

Parameters:

record - The Bullet record to evaluate this evaluator on.

Returns:

The result of this evaluator on the given Bullet record.