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    • io.polyglotted.elastic.search.QueryResponse Maven / Gradle / Ivy

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    package io.polyglotted.elastic.search;

import com.fasterxml.jackson.annotation.JsonInclude;
import io.polyglotted.common.model.MapResult;
import io.polyglotted.common.util.ListBuilder.ImmutableListBuilder;
import lombok.AccessLevel;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.experimental.Accessors;

import java.util.List;

import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_EMPTY;
import static io.polyglotted.common.util.CollUtil.transformList;
import static io.polyglotted.common.util.ListBuilder.immutableListBuilder;
import static java.util.Objects.requireNonNull;

@SuppressWarnings({"unused", "WeakerAccess"})
@RequiredArgsConstructor
public final class QueryResponse {
    public final ResponseHeader header;
    @JsonInclude(NON_EMPTY) public final List results;
    @JsonInclude(NON_EMPTY) public final List aggregations;

    public List results() { return resultsAs(MapResult.class); }

    public  List resultsAs(Class tClass) { return transformList(results, tClass::cast); }

    public boolean hasNextScroll() { return header.returnedHits > 0; }

    public String scrollId() { return header.scrollId; }

    public static Builder responseBuilder() { return new Builder(); }

    @Accessors(fluent = true, chain = true) @Setter
    @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
    public static class Builder {
        private ResponseHeader header = null;
        private final ImmutableListBuilder results = immutableListBuilder();
        private final ImmutableListBuilder aggregations = immutableListBuilder();

        public void results(Iterable objects) { this.results.addAll(objects); }

        public Builder result(Object object) { this.results.add(object); return this; }

        public void aggregation(Aggregation.Builder builder) { this.aggregations.add(builder.build()); }

        public QueryResponse build() {
            return new QueryResponse(requireNonNull(header, "header is required"), results.build(), aggregations.build());
        }
    }
}    
    
    
    

    




    
    
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