com.yahoo.bullet.querying.evaluators

Class UnaryEvaluator

java.lang.Object

com.yahoo.bullet.querying.evaluators.Evaluator

com.yahoo.bullet.querying.evaluators.UnaryEvaluator

All Implemented Interfaces:

Serializable

public class UnaryEvaluator
extends Evaluator

An evaluator that applies a unary operator to the result of an evaluator.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnaryEvaluator(UnaryExpression unaryExpression) Constructor that creates a unary evaluator from a UnaryExpression.

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

UnaryEvaluator

public UnaryEvaluator(UnaryExpression unaryExpression)

Constructor that creates a unary evaluator from a UnaryExpression.

Parameters:

unaryExpression - The unary 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.