Package uk.gov.gchq.gaffer.store.util

Class AggregatorUtil.ToQueryElementKey

java.lang.Object

uk.gov.gchq.koryphe.function.KorypheFunction<Element,Element>

uk.gov.gchq.gaffer.store.util.AggregatorUtil.ToElementKey

uk.gov.gchq.gaffer.store.util.AggregatorUtil.ToQueryElementKey

All Implemented Interfaces:

Function<Element,Element>

Enclosing class:

AggregatorUtil

public static class AggregatorUtil.ToQueryElementKey
extends AggregatorUtil.ToElementKey

A Function that takes and element as input and outputs an element key that consists of the Group-by values in the View, the Identifiers and the Group. These act as a key and can be used in a Collector to do query aggregation.

Constructor Summary

Constructors

Constructor	Description
ToQueryElementKey(Schema schema, View view)
ToQueryElementKey(Schema schema, View view, boolean includeMatchedVertex)

Method Summary

Methods inherited from class uk.gov.gchq.gaffer.store.util.AggregatorUtil.ToElementKey

apply

Methods inherited from class uk.gov.gchq.koryphe.function.KorypheFunction

equals, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Detail

ToQueryElementKey

public ToQueryElementKey(Schema schema,
                         View view)

ToQueryElementKey

public ToQueryElementKey(Schema schema,
                         View view,
                         boolean includeMatchedVertex)