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 |
ResultSet | getOriginal() | Retrieves a |
ResultSet | getOriginalRow() | Retrieves a |
Object[] | getParams() | Retrieves the parameters that have been set for this |
void | setMetaData(RowSetMetaData md) | Sets the given |
Method Detail
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 ornull
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
- theRowSetMetaData
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