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

Class ElasticsearchFieldProjection<F,V,P>

java.lang.Object

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

org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchFieldProjection<F,V,P>

Type Parameters:

F - The type of individual field values obtained from the backend (before conversion).

V - The type of individual field values after conversion.

P - The type of the final projection result representing accumulated values of type V.

All Implemented Interfaces:

ElasticsearchSearchProjection<P>, SearchProjection<P>

public class ElasticsearchFieldProjection<F,V,P>
extends AbstractElasticsearchProjection<P>

A projection on the values of an index field.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ElasticsearchFieldProjection.Builder<F,V>
static class	ElasticsearchFieldProjection.Factory<F>
static class	ElasticsearchFieldProjection.TypeSelector<F>

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

Method Summary

Modifier and Type	Method	Description
org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchFieldProjection.ValueFieldExtractor<?>	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

Method Detail

toString

public String toString()

Overrides:

toString in class Object

request

public org.hibernate.search.backend.elasticsearch.search.projection.impl.ElasticsearchFieldProjection.ValueFieldExtractor<?> 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.