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

Class ReplaceNullEvaluator

java.lang.Object

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

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

All Implemented Interfaces:

Evaluator<String>

public class ReplaceNullEvaluator
extends StringEvaluator

Field Summary

Fields

Modifier and Type	Field	Description
private final Evaluator<String>	resultEvaluator
private final Evaluator<String>	subject

Constructor Summary

Constructors

Constructor	Description
ReplaceNullEvaluator(Evaluator<String> subject, Evaluator<String> resultEvaluator)

Method Summary

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

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

getEvaluationsRemaining, getResultType, getToken, setToken

Methods inherited from class java.lang.Object

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

Field Details

subject

private final Evaluator<String> subject

resultEvaluator

private final Evaluator<String> resultEvaluator

Constructor Details

ReplaceNullEvaluator

public ReplaceNullEvaluator(Evaluator<String> subject,
 Evaluator<String> resultEvaluator)

Method Details

evaluate

public QueryResult<String> evaluate(EvaluationContext evaluationContext)

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()