示例#1
0
      @Override
      public Query apply(Function input, Context context) throws IOException {
        List<Symbol> arguments = input.arguments();
        assert arguments.size() == 4 : "invalid number of arguments";
        assert Symbol.isLiteral(arguments.get(0), DataTypes.OBJECT);
        assert Symbol.isLiteral(arguments.get(1), DataTypes.STRING);
        assert Symbol.isLiteral(arguments.get(2), DataTypes.STRING);
        assert Symbol.isLiteral(arguments.get(3), DataTypes.OBJECT);

        @SuppressWarnings("unchecked")
        Map<String, Object> fields = (Map) ((Literal) arguments.get(0)).value();
        BytesRef queryString = (BytesRef) ((Literal) arguments.get(1)).value();
        BytesRef matchType = (BytesRef) ((Literal) arguments.get(2)).value();
        Map options = (Map) ((Literal) arguments.get(3)).value();

        checkArgument(queryString != null, "cannot use NULL as query term in match predicate");

        MatchQueryBuilder queryBuilder;
        if (fields.size() == 1) {
          queryBuilder =
              new MatchQueryBuilder(context.mapperService, context.indexCache, matchType, options);
        } else {
          queryBuilder =
              new MultiMatchQueryBuilder(
                  context.mapperService, context.indexCache, matchType, options);
        }
        return queryBuilder.query(fields, queryString);
      }
示例#2
0
 @Nullable
 public Float minScore() {
   Object score = filteredFieldValues.get("_score");
   if (score == null) {
     return null;
   }
   return ((Number) score).floatValue();
 }