info.joseluismartin.dao
Interface Paginator

All Known Implementing Classes:

Page

public interface Paginator

A interface for row data paginators.

Author:

Jose Luis Martin - (jlm@joseluismartin.info)

Method Summary

void	addPaginatorListener(PaginatorListener listener) Add a PaginatorListner
void	firstPage() Go to first page
int	getCount()
int	getPage() Gets the current page number
int	getPageSize() get the page size, ie the number of records in one page
int	getStartIndex() get the startIndex, ie the number of the first record of this page
int	getTotalPages()
boolean	hasNext()
boolean	hasPage(int indexPage)
boolean	hasPrevious()
void	lastPage() Go to last page
void	nextPage() Go to next page
void	previousPage() Go to previous page
void	removePaginatorListener(PaginatorListener listener) Remove a PaginatorListener
void	setCount(int count) set the number of total records, ie the number of records in all pages
void	setPage(int indexPage) set the page number to index page if possible
void	setPageSize(int pageSize) Set the page size, ie, the number of records in one page

Method Detail

hasNext

boolean hasNext()

Returns:

true if there is records on next page

hasPrevious

boolean hasPrevious()

Returns:

true if there is records on previews page

hasPage

boolean hasPage(int indexPage)

Returns:

true if there is records on index page

setPage

void setPage(int indexPage)

set the page number to index page if possible

Parameters:

indexPage - the new page number

getPage

int getPage()

Gets the current page number

Returns:

the current page number

getCount

int getCount()

Returns:

the number of total records

getTotalPages

int getTotalPages()

Returns:

the number of pages

nextPage

void nextPage()

Go to next page

previousPage

void previousPage()

Go to previous page

lastPage

void lastPage()

Go to last page

firstPage

void firstPage()

Go to first page

getStartIndex

int getStartIndex()

get the startIndex, ie the number of the first record of this page

Returns:

the start index

setCount

void setCount(int count)

set the number of total records, ie the number of records in all pages

Parameters:

count - the number of total records

getPageSize

int getPageSize()

get the page size, ie the number of records in one page

Returns:

the page size

setPageSize

void setPageSize(int pageSize)

Set the page size, ie, the number of records in one page

Parameters:

pageSize - the page size

addPaginatorListener

void addPaginatorListener(PaginatorListener listener)

Add a PaginatorListner

Parameters:

listener - the PaginatorListener to add

removePaginatorListener

void removePaginatorListener(PaginatorListener listener)

Remove a PaginatorListener

Parameters:

listener - the PaginatorListener to remove