# Interface RowSetInternal

public interface RowSetInternal
The interface that a `RowSet` object implements in order to present itself to a `RowSetReader` or `RowSetWriter` object. The `RowSetInternal` interface contains methods that let the reader or writer access and modify the internal state of the rowset.

Since:
  1.4

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Connection`
  `getConnection()`
  Retrieves the `Connection` object that was passed to this `RowSet` object.
  `ResultSet`
  `getOriginal()`
  Retrieves a `ResultSet` object containing the original value of this `RowSet` object.
  `ResultSet`
  `getOriginalRow()`
  Retrieves a `ResultSet` object containing the original value of the current row only.
  `Object[]`
  `getParams()`
  Retrieves the parameters that have been set for this `RowSet` object's command.
  `void`
  `setMetaData(RowSetMetaData md)`
  Sets the given `RowSetMetaData` object as the `RowSetMetaData` object for this `RowSet` object.

- ## Method Details

  - ### getParams

    Object[] getParams() throws SQLException
    Retrieves the parameters that have been set for this `RowSet` object's command.
    Returns:
      an array of the current parameter values for this `RowSet` object's command
    Throws:
      `SQLException` - if a database access error occurs

  - ### getConnection

    Connection getConnection() throws SQLException
    Retrieves the `Connection` object that was passed to this `RowSet` object.
    Returns:
      the `Connection` object passed to the rowset or `null` if none was passed
    Throws:
      `SQLException` - if a database access error occurs

  - ### setMetaData

    void setMetaData(RowSetMetaData md) throws SQLException
    Sets the given `RowSetMetaData` object as the `RowSetMetaData` object for this `RowSet` object. The `RowSetReader` object associated with the rowset will use `RowSetMetaData` methods to set the values giving information about the rowset's columns.
    Parameters:
      `md` - the `RowSetMetaData` object that will be set with information about the rowset's columns
    Throws:
      `SQLException` - if a database access error occurs

  - ### getOriginal

    ResultSet getOriginal() throws SQLException
    Retrieves a `ResultSet` object containing the original value of this `RowSet` object.

    The cursor is positioned before the first row in the result set. Only rows contained in the result set returned by the method `getOriginal` are said to have an original value.

    Returns:
      the original value of the rowset
    Throws:
      `SQLException` - if a database access error occurs

  - ### getOriginalRow

    ResultSet getOriginalRow() throws SQLException
    Retrieves a `ResultSet` object containing the original value of the current row only. If the current row has no original value, an empty result set is returned. If there is no current row, an exception is thrown.
    Returns:
      the original value of the current row as a `ResultSet` object
    Throws:
      `SQLException` - if a database access error occurs or this method is called while the cursor is on the insert row, before the first row, or after the last row