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
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Method Summary
Modifier and TypeMethodDescriptionRetrieves theConnection
object that was passed to thisRowSet
object.Retrieves aResultSet
object containing the original value of thisRowSet
object.Retrieves aResultSet
object containing the original value of the current row only.Object[]
Retrieves the parameters that have been set for thisRowSet
object's command.void
Sets the givenRowSetMetaData
object as theRowSetMetaData
object for thisRowSet
object.
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Method Details
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getParams
Retrieves the parameters that have been set for thisRowSet
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
Retrieves theConnection
object that was passed to thisRowSet
object.- Returns:
- the
Connection
object passed to the rowset ornull
if none was passed - Throws:
SQLException
- if a database access error occurs
-
setMetaData
Sets the givenRowSetMetaData
object as theRowSetMetaData
object for thisRowSet
object. TheRowSetReader
object associated with the rowset will useRowSetMetaData
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
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getOriginal
Retrieves aResultSet
object containing the original value of thisRowSet
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
Retrieves aResultSet
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
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