uk.gov.gchq.gaffer.spark.data.generator

Class RowToElementGenerator

java.lang.Object

uk.gov.gchq.gaffer.spark.data.generator.RowToElementGenerator

All Implemented Interfaces:

Function<Iterable<? extends org.apache.spark.sql.Row>,Iterable<? extends Element>>, ElementGenerator<org.apache.spark.sql.Row>, OneToOneElementGenerator<org.apache.spark.sql.Row>

public class RowToElementGenerator
extends Object
implements OneToOneElementGenerator<org.apache.spark.sql.Row>

A RowToElementGenerator is a OneToOneElementGenerator for converting a Row objects into a Gaffer Element. This generator requires that the Row object to be converted into an Element was originally created from an Element. It is not possible to convert an arbitrary Row object into an Element.

Constructor Summary

Constructors

Constructor and Description
RowToElementGenerator()

Method Summary

Modifier and Type	Method and Description
Element	_apply(org.apache.spark.sql.Row row)
Iterable<? extends Element>	apply(Iterable<? extends org.apache.spark.sql.Row> rows)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

RowToElementGenerator

public RowToElementGenerator()

Method Detail

apply

public Iterable<? extends Element> apply(Iterable<? extends org.apache.spark.sql.Row> rows)

Specified by:

apply in interface Function<Iterable<? extends org.apache.spark.sql.Row>,Iterable<? extends Element>>

Specified by:

apply in interface OneToOneElementGenerator<org.apache.spark.sql.Row>

_apply

public Element _apply(org.apache.spark.sql.Row row)

Specified by:

_apply in interface OneToOneElementGenerator<org.apache.spark.sql.Row>

Parameters:

row - the domain object to convert

Returns:

the generated Element