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Spring Data Implementation for Elasticsearch
/*
* Copyright 2020-2023 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.elasticsearch.core;
import java.util.Iterator;
import java.util.List;
import org.springframework.data.elasticsearch.core.suggest.response.Suggest;
import org.springframework.data.util.Streamable;
import org.springframework.lang.Nullable;
/**
* Encapsulates a list of {@link SearchHit}s with additional information from the search.
*
* @param the result data class.
* @author Sascha Woo
* @since 4.0
*/
public interface SearchHits extends Streamable> {
/**
* @return the aggregations.
*/
@Nullable
AggregationsContainer getAggregations();
/**
* @return the maximum score
*/
float getMaxScore();
/**
* @param index position in List.
* @return the {@link SearchHit} at position {index}
* @throws IndexOutOfBoundsException on invalid index
*/
SearchHit getSearchHit(int index);
/**
* @return the contained {@link SearchHit}s.
*/
List> getSearchHits();
/**
* @return the number of total hits.
*/
long getTotalHits();
/**
* @return the relation for the total hits
*/
TotalHitsRelation getTotalHitsRelation();
/**
* @return true if aggregations are available
*/
default boolean hasAggregations() {
return getAggregations() != null;
}
/**
* @return whether the {@link SearchHits} has search hits.
*/
default boolean hasSearchHits() {
return !getSearchHits().isEmpty();
}
/**
* @return the suggest response
* @since 4.3
*/
@Nullable
Suggest getSuggest();
/**
* @return wether the {@link SearchHits} has a suggest response.
* @since 4.3
*/
default boolean hasSuggest() {
return getSuggest() != null;
}
/**
* @return an iterator for {@link SearchHit}
*/
default Iterator> iterator() {
return getSearchHits().iterator();
}
/**
* When doing a search with a point in time, the response contains a new point in time id value.
*
* @return the new point in time id, if one was returned from Elasticsearch
* @since 5.0
*/
@Nullable
String getPointInTimeId();
}