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

Class SubstringEvaluator

java.lang.Object

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

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

All Implemented Interfaces:

Evaluator<String>

public class SubstringEvaluator
extends StringEvaluator

Field Summary

Fields

Modifier and Type	Field and Description
private Evaluator<Long>	endIndex
private Evaluator<Long>	startIndex
private Evaluator<String>	subject

Constructor Summary

Constructors

Constructor and Description
SubstringEvaluator(Evaluator<String> subject, Evaluator<Long> startIndex)
SubstringEvaluator(Evaluator<String> subject, Evaluator<Long> startIndex, Evaluator<Long> endIndex)

Method Summary

Modifier and Type	Method and 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 Detail

subject

private final Evaluator<String> subject

startIndex

private final Evaluator<Long> startIndex

endIndex

private final Evaluator<Long> endIndex

Constructor Detail

SubstringEvaluator

public SubstringEvaluator(Evaluator<String> subject,
                          Evaluator<Long> startIndex,
                          Evaluator<Long> endIndex)

SubstringEvaluator

public SubstringEvaluator(Evaluator<String> subject,
                          Evaluator<Long> startIndex)

Method Detail

evaluate

public QueryResult<String> evaluate(EvaluationContext evaluationContext)

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()