docstr: Check connection to the handler
  Returns:
      HandlerStatusResponse
docstr_tok: ["Check","connection","to","the","handler","Returns",":","HandlerStatusResponse"]
code: def check_connection(self) -> StatusResponse:
      """Check connection to the handler
      Returns:
          HandlerStatusResponse
      """
      responseCode = StatusResponse(False)
      need_to_close = self.is_connected is False
  
      try:
          self.connect()
          responseCode.success = True
      except Exception as e:
          logger.error(
              f"Error connecting to database {self.database}, {e}!"
          )
          responseCode.error_message = str(e)
      finally:
          if responseCode.success is True and need_to_close:
              self.disconnect()
          if (
              responseCode.success is False
              and self.is_connected is True
          ):
              self.is_connected = False
  
      return responseCode
  
imports: from collections import OrderedDict
  from typing import Optional
  from mindsdb_sql.parser.ast.base import ASTNode
  from mindsdb.integrations.libs.base import DatabaseHandler
  from mindsdb.utilities import log
  from mindsdb_sql import parse_sql
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  import pandas
  import jaydebeapi
label_desc: Use image node_id 4 for calling the DerbyHandler obj's underlying member method code with example usage: obj.check_connection() and returns: responseCode