Package uk.gov.gchq.gaffer.data.element.comparison

Class ElementJoinComparator

java.lang.Object

uk.gov.gchq.koryphe.predicate.KoryphePredicate<TUPLE>

uk.gov.gchq.koryphe.tuple.predicate.KoryphePredicateN<uk.gov.gchq.koryphe.tuple.n.Tuple2<T,U>>

uk.gov.gchq.koryphe.tuple.predicate.KoryphePredicate2<Element,Element>

uk.gov.gchq.gaffer.data.element.comparison.ElementJoinComparator

All Implemented Interfaces:

Predicate<uk.gov.gchq.koryphe.tuple.n.Tuple2<Element,Element>>

public class ElementJoinComparator
extends uk.gov.gchq.koryphe.tuple.predicate.KoryphePredicate2<Element,Element>

An ElementJoinComparator is a KoryphePredicate2 that is used to compare if two Elements are equal. Optional GroupBy properties can be set, and will then be used within the comparison also.

Constructor Summary

Constructors

Constructor	Description
ElementJoinComparator()
ElementJoinComparator(String... groupByProperties)
ElementJoinComparator(Set<String> groupByProperties)

Method Summary

Modifier and Type	Method	Description
Set<String>	getGroupByProperties()
void	setGroupByProperties(Set<String> groupByProperties)
boolean	test(Element element, Element element2)

Methods inherited from class uk.gov.gchq.koryphe.tuple.predicate.KoryphePredicateN

test

Methods inherited from class uk.gov.gchq.koryphe.predicate.KoryphePredicate

equals, hashCode

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Predicate

and, negate, or

Constructor Detail

ElementJoinComparator

public ElementJoinComparator()

ElementJoinComparator

public ElementJoinComparator(Set<String> groupByProperties)

ElementJoinComparator

public ElementJoinComparator(String... groupByProperties)

Method Detail

getGroupByProperties

public Set<String> getGroupByProperties()

setGroupByProperties

public void setGroupByProperties(Set<String> groupByProperties)

test

public boolean test(Element element,
                    Element element2)

Specified by:

test in class uk.gov.gchq.koryphe.tuple.predicate.KoryphePredicate2<Element,Element>