private static SortOrder sortOrder()

in parquet-hadoop/src/main/java/org/apache/parquet/format/converter/ParquetMetadataConverter.java [903:980]
64 lines of code
3 McCabe index (conditional complexity)

  private static SortOrder sortOrder(PrimitiveType primitive) {
    LogicalTypeAnnotation annotation = primitive.getLogicalTypeAnnotation();
    if (annotation != null) {
      return annotation.accept(new LogicalTypeAnnotation.LogicalTypeAnnotationVisitor<SortOrder>() {
        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.IntLogicalTypeAnnotation intLogicalType) {
          return intLogicalType.isSigned() ? of(SortOrder.SIGNED) : of(SortOrder.UNSIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.IntervalLogicalTypeAnnotation intervalLogicalType) {
          return of(SortOrder.UNKNOWN);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.DateLogicalTypeAnnotation dateLogicalType) {
          return of(SortOrder.SIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.EnumLogicalTypeAnnotation enumLogicalType) {
          return of(SortOrder.UNSIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.BsonLogicalTypeAnnotation bsonLogicalType) {
          return of(SortOrder.UNSIGNED);
        }

        @Override
        public Optional<SortOrder> visit(UUIDLogicalTypeAnnotation uuidLogicalType) {
          return of(SortOrder.UNSIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.JsonLogicalTypeAnnotation jsonLogicalType) {
          return of(SortOrder.UNSIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.StringLogicalTypeAnnotation stringLogicalType) {
          return of(SortOrder.UNSIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.DecimalLogicalTypeAnnotation decimalLogicalType) {
          return of(SortOrder.UNKNOWN);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.MapKeyValueTypeAnnotation mapKeyValueLogicalType) {
          return of(SortOrder.UNKNOWN);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.MapLogicalTypeAnnotation mapLogicalType) {
          return of(SortOrder.UNKNOWN);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.ListLogicalTypeAnnotation listLogicalType) {
          return of(SortOrder.UNKNOWN);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.TimeLogicalTypeAnnotation timeLogicalType) {
          return of(SortOrder.SIGNED);
        }

        @Override
        public Optional<SortOrder> visit(LogicalTypeAnnotation.TimestampLogicalTypeAnnotation timestampLogicalType) {
          return of(SortOrder.SIGNED);
        }
      }).orElse(defaultSortOrder(primitive.getPrimitiveTypeName()));
    }

    return defaultSortOrder(primitive.getPrimitiveTypeName());
  }