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

Class JoinEvaluator

java.lang.Object

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

org.apache.nifi.attribute.expression.language.evaluation.reduce.JoinEvaluator

All Implemented Interfaces:

Evaluator<String>, ReduceEvaluator<String>

public class JoinEvaluator
extends StringEvaluator
implements ReduceEvaluator<String>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	JoinEvaluator.State

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
JoinEvaluator(Evaluator<String> subject, Evaluator<String> delimiter)

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

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

getEvaluationsRemaining, getResultType, getToken, setToken

Field Details

subjectEvaluator

private final Evaluator<String> subjectEvaluator

delimiterEvaluator

private final Evaluator<String> delimiterEvaluator

Constructor Details

JoinEvaluator

public JoinEvaluator(Evaluator<String> subject,
 Evaluator<String> delimiter)

Method Details

evaluate

public QueryResult<String> evaluate(EvaluationContext evaluationContext)

Specified by:

evaluate in interface Evaluator<String>

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()

Specified by:

getSubjectEvaluator in interface Evaluator<String>