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

Class DelineatedAttributeEvaluator

java.lang.Object

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

org.apache.nifi.attribute.expression.language.evaluation.selection.MultiAttributeEvaluator

org.apache.nifi.attribute.expression.language.evaluation.selection.DelineatedAttributeEvaluator

All Implemented Interfaces:

Evaluator<String>, IteratingEvaluator<String>

public class DelineatedAttributeEvaluator
extends MultiAttributeEvaluator

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	DelineatedAttributeEvaluator.State

Field Summary

Fields

Modifier and Type	Field and Description
private Evaluator<String>	delimiterEvaluator
private int	evaluationType
private Evaluator<String>	subjectEvaluator

Constructor Summary

Constructors

Constructor and Description
DelineatedAttributeEvaluator(Evaluator<String> subjectEvaluator, Evaluator<String> delimiterEvaluator, int evaluationType)

Method Summary

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

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

getResultType, getToken, setToken

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.attribute.expression.language.evaluation.Evaluator

getResultType, getToken, setToken

Field Detail

subjectEvaluator

private final Evaluator<String> subjectEvaluator

delimiterEvaluator

private final Evaluator<String> delimiterEvaluator

evaluationType

private final int evaluationType

Constructor Detail

DelineatedAttributeEvaluator

public DelineatedAttributeEvaluator(Evaluator<String> subjectEvaluator,
                                    Evaluator<String> delimiterEvaluator,
                                    int evaluationType)

Method Detail

evaluate

public QueryResult<String> evaluate(EvaluationContext evaluationContext)

getLogicEvaluator

public Evaluator<?> getLogicEvaluator()

Returns:

the evaluator that evaluates some sort of logic against its subject

getEvaluationsRemaining

public int getEvaluationsRemaining(EvaluationContext evaluationContext)

Specified by:

getEvaluationsRemaining in interface Evaluator<String>

Overrides:

getEvaluationsRemaining in class StringEvaluator

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()

getEvaluationType

public int getEvaluationType()

Specified by:

getEvaluationType in class MultiAttributeEvaluator