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package javax.sql;

import java.sql.*;


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
/**
 * The interface that a {@code RowSet} object implements in order to
 * present itself to a {@code RowSetReader} or {@code RowSetWriter}
 * object. The {@code RowSetInternal} interface contains
 * methods that let the reader or writer access and modify the internal
 * state of the rowset.
 *
 * @since 1.4
 */

public interface RowSetInternal {

  
Retrieves the parameters that have been set for this RowSet object's command. 
Throws:
Returns:an array of the current parameter values for this RowSet object's command
/**
   * Retrieves the parameters that have been set for this
   * {@code RowSet} object's command.
   *
   * @return an array of the current parameter values for this {@code RowSet}
   *         object's command
   * @throws SQLException if a database access error occurs
   */
  Object[] getParams() throws SQLException;

  
Retrieves the Connection object that was passed to this RowSet object. 
Throws:
Returns:the Connection object passed to the rowset or null if none was passed
/**
   * Retrieves the {@code Connection} object that was passed to this
   * {@code RowSet} object.
   *
   * @return the {@code Connection} object passed to the rowset
   *      or {@code null} if none was passed
   * @throws SQLException if a database access error occurs
   */
  Connection getConnection() 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. 
Params:
  • md – the RowSetMetaData object that will be set with information about the rowset's columns
Throws:
/**
   * Sets the given {@code RowSetMetaData} object as the
   * {@code RowSetMetaData} object for this {@code RowSet}
   * object. The {@code RowSetReader} object associated with the rowset
   * will use {@code RowSetMetaData} methods to set the values giving
   * information about the rowset's columns.
   *
   * @param md the {@code RowSetMetaData} object that will be set with
   *        information about the rowset's columns
   *
   * @throws SQLException if a database access error occurs
   */
  void setMetaData(RowSetMetaData md) 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. 
Throws:
Returns:the original value of the rowset
/**
   * Retrieves a {@code ResultSet} object containing the original
   * value of this {@code RowSet} object.
   * <P>
   * The cursor is positioned before the first row in the result set.
   * Only rows contained in the result set returned by the method
   * {@code getOriginal} are said to have an original value.
   *
   * @return the original value of the rowset
   * @throws SQLException if a database access error occurs
   */
  public ResultSet getOriginal() 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. 
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
Returns:the original value of the current row as a ResultSet object
/**
   * Retrieves a {@code 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.
   *
   * @return the original value of the current row as a {@code 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
   */
  public ResultSet getOriginalRow() throws SQLException;

}