protected GenericType inferJavaTypeFromCqlType()

in core/src/main/java/com/datastax/oss/driver/internal/core/type/codec/registry/CachingCodecRegistry.java [409:472]
64 lines of code
28 McCabe index (conditional complexity)

  protected GenericType<?> inferJavaTypeFromCqlType(@NonNull DataType cqlType) {
    if (cqlType instanceof ListType) {
      DataType elementType = ((ListType) cqlType).getElementType();
      return GenericType.listOf(inferJavaTypeFromCqlType(elementType));
    } else if (cqlType instanceof SetType) {
      DataType elementType = ((SetType) cqlType).getElementType();
      return GenericType.setOf(inferJavaTypeFromCqlType(elementType));
    } else if (cqlType instanceof MapType) {
      DataType keyType = ((MapType) cqlType).getKeyType();
      DataType valueType = ((MapType) cqlType).getValueType();
      return GenericType.mapOf(
          inferJavaTypeFromCqlType(keyType), inferJavaTypeFromCqlType(valueType));
    } else if (cqlType instanceof VectorType) {
      DataType elementType = ((VectorType) cqlType).getElementType();
      GenericType<?> numberType = inferJavaTypeFromCqlType(elementType);
      return GenericType.vectorOf(numberType);
    }
    switch (cqlType.getProtocolCode()) {
      case ProtocolConstants.DataType.CUSTOM:
      case ProtocolConstants.DataType.BLOB:
        return GenericType.BYTE_BUFFER;
      case ProtocolConstants.DataType.ASCII:
      case ProtocolConstants.DataType.VARCHAR:
        return GenericType.STRING;
      case ProtocolConstants.DataType.BIGINT:
      case ProtocolConstants.DataType.COUNTER:
        return GenericType.LONG;
      case ProtocolConstants.DataType.BOOLEAN:
        return GenericType.BOOLEAN;
      case ProtocolConstants.DataType.DECIMAL:
        return GenericType.BIG_DECIMAL;
      case ProtocolConstants.DataType.DOUBLE:
        return GenericType.DOUBLE;
      case ProtocolConstants.DataType.FLOAT:
        return GenericType.FLOAT;
      case ProtocolConstants.DataType.INT:
        return GenericType.INTEGER;
      case ProtocolConstants.DataType.TIMESTAMP:
        return GenericType.INSTANT;
      case ProtocolConstants.DataType.UUID:
      case ProtocolConstants.DataType.TIMEUUID:
        return GenericType.UUID;
      case ProtocolConstants.DataType.VARINT:
        return GenericType.BIG_INTEGER;
      case ProtocolConstants.DataType.INET:
        return GenericType.INET_ADDRESS;
      case ProtocolConstants.DataType.DATE:
        return GenericType.LOCAL_DATE;
      case ProtocolConstants.DataType.TIME:
        return GenericType.LOCAL_TIME;
      case ProtocolConstants.DataType.SMALLINT:
        return GenericType.SHORT;
      case ProtocolConstants.DataType.TINYINT:
        return GenericType.BYTE;
      case ProtocolConstants.DataType.DURATION:
        return GenericType.CQL_DURATION;
      case ProtocolConstants.DataType.UDT:
        return GenericType.UDT_VALUE;
      case ProtocolConstants.DataType.TUPLE:
        return GenericType.TUPLE_VALUE;
      default:
        throw new CodecNotFoundException(cqlType, null);
    }
  }