yoho-search / yoho-search-service · Commits

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Authored by wangnan
Commit 940cea895f4cc47163508be5665b08bb2c533e11 1 parent 46267a82

机器人客服权重影响打分

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Showing 1 changed file with 9 additions and 1 deletions
... ... @@ -15,10 +15,14 @@ import com.yoho.search.service.utils.HttpServletRequestUtils;
import com.yoho.search.service.utils.SearchApiResultUtils;
import com.yoho.search.service.vo.SearchApiResult;
import org.apache.commons.lang.StringUtils;
import org.elasticsearch.common.lucene.search.function.CombineFunction;
import org.elasticsearch.common.lucene.search.function.FieldValueFactorFunction;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.MatchQueryBuilder;
import org.elasticsearch.index.query.MultiMatchQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.functionscore.FunctionScoreQueryBuilder;
import org.elasticsearch.index.query.functionscore.ScoreFunctionBuilders;
import org.elasticsearch.search.sort.SortBuilder;
import org.elasticsearch.search.sort.SortBuilders;
import org.elasticsearch.search.sort.SortOrder;
... ... @@ -97,7 +101,11 @@ public class RobotQuestionServiceImpl extends BaseService implements IRobotQuest
queryBuilder.operator(MatchQueryBuilder.Operator.OR);
queryBuilder.minimumShouldMatch(minimumShouldMatch);
queryBuilder.field("question", 200).field("keywords", 100);
searchParam.setQuery(queryBuilder);
//权重字段影响打分，_score = _score + log(1 + 1 * questionSeq)
FunctionScoreQueryBuilder functionScoreQueryBuilder = new FunctionScoreQueryBuilder(queryBuilder);
functionScoreQueryBuilder.add(ScoreFunctionBuilders.fieldValueFactorFunction("questionSeq").modifier(FieldValueFactorFunction.Modifier.LOG1P).factor(1.0f));
functionScoreQueryBuilder.boostMode(CombineFunction.SUM);
searchParam.setQuery(functionScoreQueryBuilder);
//4.配置Filter
BoolQueryBuilder boolFilter = QueryBuilders.boolQuery();
... ...