Package org.apache.nifi.attribute.expression.language.evaluation.functions

Class IsEmptyEvaluator

java.lang.Object

org.apache.nifi.attribute.expression.language.evaluation.BooleanEvaluator

org.apache.nifi.attribute.expression.language.evaluation.functions.IsEmptyEvaluator

All Implemented Interfaces:

Evaluator<Boolean>

public class IsEmptyEvaluator
extends BooleanEvaluator

Field Summary

Fields

Modifier and Type	Field	Description
private final Evaluator<?>	subjectEvaluator

Constructor Summary

Constructors

Constructor	Description
IsEmptyEvaluator(Evaluator<?> subjectEvaluator)

Method Summary

Modifier and Type	Method	Description
QueryResult<Boolean>	evaluate(EvaluationContext evaluationContext)
Evaluator<?>	getSubjectEvaluator()

Methods inherited from class org.apache.nifi.attribute.expression.language.evaluation.BooleanEvaluator

getEvaluationsRemaining, getResultType, getToken, setToken

Methods inherited from class java.lang.Object

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

Field Details

subjectEvaluator

private final Evaluator<?> subjectEvaluator

Constructor Details

IsEmptyEvaluator

public IsEmptyEvaluator(Evaluator<?> subjectEvaluator)

Method Details

evaluate

public QueryResult<Boolean> evaluate(EvaluationContext evaluationContext)

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()