com.klg.jclass.datasource
Interface StoreModel

All Known Implementing Classes:

Store

public interface StoreModel

Provides storage and retrieval for DataTableData. Maps between bookmarks and row indexes.

Method Summary

void	addRow(long bookmark, Object row) Add a row.
void	addRow(long bookmark, Object row, int ordinal) Insert a row.
void	clear() Clear all rows.
long	getBookmark(int ordinal) Return the bookmark of the row at ordinal.
int	getIndex(long bookmark) Get index.
Object	getRow(long bookmark) Given a bookmark, return the row
int	getRowCount() Return the number of rows in this store
void	removeRow(long bookmark) Remove a row.

Method Detail

getRowCount

public int getRowCount()

Return the number of rows in this store

Returns:

an int which is the number of rows in this store

getRow

public Object getRow(long bookmark)

Given a bookmark, return the row

Parameters:

bookmark - the long which uniquely identifies a row

Returns:

the row object for this bookmark

addRow

public void addRow(long bookmark,
                   Object row)

Add a row.

addRow

public void addRow(long bookmark,
                   Object row,
                   int ordinal)

Insert a row.

removeRow

public void removeRow(long bookmark)

Remove a row.

Parameters:

bookmark - the long bookmark of the row to be removed

getIndex

public int getIndex(long bookmark)

Get index.

Parameters:

bookmark - a long which uniquely identifies a row

Returns:

its ordinal position

getBookmark

public long getBookmark(int ordinal)

Return the bookmark of the row at ordinal.

Returns:

the long bookmark of the row at ordinal

clear

public void clear()

Clear all rows.