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

Class MultiMatchAttributeEvaluator

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.MultiMatchAttributeEvaluator

All Implemented Interfaces:

Evaluator<String>, IteratingEvaluator<String>

public class MultiMatchAttributeEvaluator
extends MultiAttributeEvaluator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	MultiMatchAttributeEvaluator.State

Field Summary

Fields

Modifier and Type	Field	Description
private final List<Pattern>	attributePatterns
private final int	evaluationType

Constructor Summary

Constructors

Constructor	Description
MultiMatchAttributeEvaluator(List<String> attributeRegexes, int evaluationType)

Method Summary

Modifier and Type	Method	Description
QueryResult<String>	evaluate(EvaluationContext evaluationContext)
int	getEvaluationsRemaining(EvaluationContext context)	Can be called only after the first call to evaluate
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 Details

attributePatterns

private final List<Pattern> attributePatterns

evaluationType

private final int evaluationType

Constructor Details

MultiMatchAttributeEvaluator

public MultiMatchAttributeEvaluator(List<String> attributeRegexes,
 int evaluationType)

Method Details

getEvaluationsRemaining

public int getEvaluationsRemaining(EvaluationContext context)

Can be called only after the first call to evaluate

Specified by:

getEvaluationsRemaining in interface Evaluator<String>

Overrides:

getEvaluationsRemaining in class StringEvaluator

Returns:

number of remaining evaluations

evaluate

public QueryResult<String> evaluate(EvaluationContext evaluationContext)

getSubjectEvaluator

public Evaluator<?> getSubjectEvaluator()

getEvaluationType

public int getEvaluationType()

Specified by:

getEvaluationType in class MultiAttributeEvaluator

getLogicEvaluator

public Evaluator<?> getLogicEvaluator()

Returns:

the evaluator that evaluates some sort of logic against its subject