程序包 javax.sql

接口 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.

从以下版本开始:

1.4

方法概要

限定符和类型	方法	说明
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.

方法详细资料

getParams

Object[] getParams()
            throws SQLException

Retrieves the parameters that have been set for this RowSet object's command.

返回:

an array of the current parameter values for this RowSet object's command

抛出:

SQLException - if a database access error occurs

getConnection

Connection getConnection()
                  throws SQLException

Retrieves the Connection object that was passed to this RowSet object.

返回:

the Connection object passed to the rowset or null if none was passed

抛出:

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.

参数:

md - the RowSetMetaData object that will be set with information about the rowset's columns

抛出:

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.

返回:

the original value of the rowset

抛出:

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.

返回:

the original value of the current row as a ResultSet object

抛出:

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