我需要使用Java API实现以下function_score查询。我在elasticsearch的Java API部分中找不到关于function_score查询的任何官方文档
"function_score": {
"functions": [
{
"boost_factor": "3",
"filter": {
"terms" : {"course_cd" : ["writ100", "writ112", "writ113"] }
}
}
],
"query": {
"match" : {
"party_id" : "12"
}
}
}
请帮忙！
感谢Jörg
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.index.query.functionscore.FunctionScoreQueryBuilder;
import java.util.Arrays;
import static org.elasticsearch.client.Requests.searchRequest;
import static org.elasticsearch.index.query.FilterBuilders.termsFilter;
import static org.elasticsearch.index.query.QueryBuilders.matchQuery;
import static org.elasticsearch.index.query.functionscore.ScoreFunctionBuilders.factorFunction;
import static org.elasticsearch.search.builder.SearchSourceBuilder.searchSource;
public class FunctionScoreTest {
public void testFunctionScore() {
SearchRequest searchRequest = searchRequest()
.source(searchSource().query(new FunctionScoreQueryBuilder(matchQuery("party_id", "12"))
.add(termsFilter("course_cd", Arrays.asList("writ100", "writ112", "writ113")), factorFunction(3.0f))));
}
}
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