RowSetInternal (JBoss J2EE API) - JBoss 4.0.1 sp1 j2ee API Documentation 英文版文档

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javax.sql
Interface RowSetInternal

public interface RowSetInternal

A rowset object presents itself to a reader or writer as an instance of RowSetInternal. The RowSetInternal interface contains additional methods that let the reader or writer access and modify the internal state of the rowset.

Method Summary

Connection getConnection()
          Get the Connection passed to the rowset.

ResultSet getOriginal()
          Returns a result set containing the original value of the rowset.

ResultSet getOriginalRow()
          Returns a result set containing the original value of the current row.

Object[] getParams()
          Get the parameters that were set on the rowset.

void setMetaData(RowSetMetaData rowSetMetaData)
          Set the rowset's metadata.

Method Detail

getConnection

public Connection getConnection()
                         throws SQLException

Get the Connection passed to the rowset.

Returns:: the Connection passed to the rowset, or null if none
Throws:: SQLException - - if a database-access error occurs.

getOriginal

public ResultSet getOriginal()
                      throws SQLException

Returns a result set containing the original value of the rowset. The cursor is positioned before the first row in the result set. Only rows contained in the result set returned by getOriginal() are said to have an original value.

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

getOriginalRow

public ResultSet getOriginalRow()
                         throws SQLException

Returns a result set containing the original value of the current row. If the current row has no original value an empty result set is returned. If there is no current row a SQLException is thrown.

Returns:: the original value of the row
Throws:: SQLException - - if a database-access error occurs.

getParams

public Object[] getParams()
                   throws SQLException

Get the parameters that were set on the rowset.

Returns:: an array of parameters
Throws:: SQLException - - if a database-access error occurs.

setMetaData

public void setMetaData(RowSetMetaData rowSetMetaData)
                 throws SQLException

Set the rowset's metadata.

Parameters:: rowSetMetaData - - metadata object
Throws:: SQLException - - if a database-access error occurs.