Package io.trino.operator.window.pattern

Class LabelEvaluator

java.lang.Object

io.trino.operator.window.pattern.LabelEvaluator

public class LabelEvaluator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LabelEvaluator.Evaluation
static class	LabelEvaluator.EvaluationSupplier

Constructor Summary

Constructors

Constructor	Description
LabelEvaluator(long matchNumber, int patternStart, int partitionStart, int searchStart, int searchEnd, List<LabelEvaluator.Evaluation> evaluations, WindowIndex windowIndex)

Method Summary

Modifier and Type	Method	Description
boolean	evaluateLabel(int label, ArrayView matchedLabels)
int	getInputLength()
boolean	isMatchingAtPartitionStart()

Methods inherited from class java.lang.Object

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

Constructor Detail

LabelEvaluator

public LabelEvaluator(long matchNumber,
                      int patternStart,
                      int partitionStart,
                      int searchStart,
                      int searchEnd,
                      List<LabelEvaluator.Evaluation> evaluations,
                      WindowIndex windowIndex)

Method Detail

getInputLength

public int getInputLength()

isMatchingAtPartitionStart

public boolean isMatchingAtPartitionStart()

evaluateLabel

public boolean evaluateLabel(int label,
                             ArrayView matchedLabels)