Package org.hibernate.search.backend.elasticsearch.search.projection.impl

Class ElasticsearchObjectProjection<E,V,P>

java.lang.Object

org.hibernate.search.backend.elasticsearch.search.projection.impl.AbstractElasticsearchProjection<P>

org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchObjectProjection<E,V,P>

Type Parameters:

E - The type of the temporary storage for component values.

V - The type of a single composed value.

P - The type of the final projection result representing an accumulation of composed values of type V.

All Implemented Interfaces:

ElasticsearchSearchProjection<P>, SearchProjection<P>

public class ElasticsearchObjectProjection<E,V,P>
extends AbstractElasticsearchProjection<P>

A projection that yields one composite value per object in a given object field.

Not to be confused with ElasticsearchCompositeProjection.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ElasticsearchObjectProjection.Factory

Nested classes/interfaces inherited from class org.hibernate.search.backend.elasticsearch.search.projection.impl.AbstractElasticsearchProjection

AbstractElasticsearchProjection.AbstractBuilder<P>

Nested classes/interfaces inherited from interface org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchSearchProjection

ElasticsearchSearchProjection.Extractor<E,P>

Field Summary

Fields inherited from class org.hibernate.search.backend.elasticsearch.search.projection.impl.AbstractElasticsearchProjection

indexNames

Fields inherited from interface org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchSearchProjection

log

Constructor Summary

Constructors

Constructor	Description
ElasticsearchObjectProjection(org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchObjectProjection.Builder builder, ElasticsearchSearchProjection<?>[] inners, ProjectionCompositor<E,V> compositor, ProjectionAccumulator.Provider<V,P> accumulatorProvider)

Method Summary

Modifier and Type	Method	Description
ElasticsearchSearchProjection.Extractor<?,P>	request(com.google.gson.JsonObject requestBody, ProjectionRequestContext context)	Contributes to the request, making sure that the requirements for this projection are met, and creating an ElasticsearchSearchProjection.Extractor that will be able to extract the result of the projection from the Elasticsearch response.
String	toString()

Methods inherited from class org.hibernate.search.backend.elasticsearch.search.projection.impl.AbstractElasticsearchProjection

indexNames

Methods inherited from class java.lang.Object

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

Constructor Detail

ElasticsearchObjectProjection

public ElasticsearchObjectProjection(org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchObjectProjection.Builder builder,
                                     ElasticsearchSearchProjection<?>[] inners,
                                     ProjectionCompositor<E,V> compositor,
                                     ProjectionAccumulator.Provider<V,P> accumulatorProvider)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

request

public ElasticsearchSearchProjection.Extractor<?,P> request(com.google.gson.JsonObject requestBody,
                                                                  ProjectionRequestContext context)

Description copied from interface: ElasticsearchSearchProjection

Contributes to the request, making sure that the requirements for this projection are met, and creating an ElasticsearchSearchProjection.Extractor that will be able to extract the result of the projection from the Elasticsearch response.

Parameters:

requestBody - The request body.

context - An execution context for the request.

Returns:

An ElasticsearchSearchProjection.Extractor, to extract the result of the projection from the Elasticsearch response.