Package com.atlassian.confluence.plugins.spacedirectory.util

Class ListBuilderPaginationSupport<T>

java.lang.Object

com.atlassian.confluence.plugins.spacedirectory.util.ListBuilderPaginationSupport<T>

Type Parameters:

T - - the type of the item

All Implemented Interfaces:

PaginationSupport<T>

public class ListBuilderPaginationSupport<T>
extends Object
implements PaginationSupport<T>

Calculates pagination indexes using a com.atlassian.confluence.core.ListBuilder. This is preferable to using bucket.core.actions.PaginationSupport, since it only loads part of the list into memory.

Constructor Summary

Constructors

Constructor	Description
ListBuilderPaginationSupport(int startIndex, int pageSize, ListBuilder<T> items)

Method Summary

Modifier and Type	Method	Description
int	getNextStartIndex()	Returns the next start index.
int[]	getNextStartIndexes()	Returns an array of start indexes for pages that appear after the current page If there are no further pages, null is returned
int	getNiceEndIndex()	Returns an end index for use in the UI.
int	getNiceStartIndex()	Returns a start index for use in the UI.
List<T>	getPage()	Returns a subset of the list of items passed in, based on startIndex and the page size
int	getPageSize()	Returns the number of items available on the current page.
int	getPreviousStartIndex()	Returns the previous start index.
int[]	getPreviousStartIndexes()	Returns an array of start indexes for pages that appear before the current page If there are no preceding pages, null is returned
int	getStartIndex()	Returns the start index.
int	getStartIndexValue()	Always return the start index value, regardless of whether the pagination has any total.
int	getTotal()	Returns the total number of items in the list

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ListBuilderPaginationSupport

public ListBuilderPaginationSupport(int startIndex,
 int pageSize,
 ListBuilder<T> items)

Method Details

getNiceEndIndex

public int getNiceEndIndex()

Description copied from interface: PaginationSupport

Returns an end index for use in the UI. It returns the end index - 1

Specified by:

getNiceEndIndex in interface PaginationSupport<T>

Returns:

a nice end index

getStartIndex

public int getStartIndex()

Description copied from interface: PaginationSupport

Returns the start index. If the start index exceeds the index of the last element, the index of the last element is returned. If the start index is less than 0, 0 is returned.

Specified by:

getStartIndex in interface PaginationSupport<T>

Returns:

the start index.

getStartIndexValue

public int getStartIndexValue()

Description copied from interface: PaginationSupport

Always return the start index value, regardless of whether the pagination has any total.

Specified by:

getStartIndexValue in interface PaginationSupport<T>

Returns:

the start index value, regardless of whether the pagination has any total.

getNextStartIndex

public int getNextStartIndex()

Returns the next start index. Returns -1 if we are on the last page (there is no next page).

Specified by:

getNextStartIndex in interface PaginationSupport<T>

Returns:

the next start index. Returns -1 if we are on the last page (there is no next page).

getPreviousStartIndex

public int getPreviousStartIndex()

Returns the previous start index. Returns -1 if we are on the first page (there is no previous page).

Specified by:

getPreviousStartIndex in interface PaginationSupport<T>

Returns:

the previous start index. Returns -1 if we are on the first page (there is no previous page).

getNextStartIndexes

public int[] getNextStartIndexes()

Description copied from interface: PaginationSupport

Returns an array of start indexes for pages that appear after the current page If there are no further pages, null is returned

Specified by:

getNextStartIndexes in interface PaginationSupport<T>

Returns:

an array of start indexes for pages that appear after the current page

getPreviousStartIndexes

public int[] getPreviousStartIndexes()

Description copied from interface: PaginationSupport

Returns an array of start indexes for pages that appear before the current page If there are no preceding pages, null is returned

Specified by:

getPreviousStartIndexes in interface PaginationSupport<T>

Returns:

an array of start indexes for pages that appear before the current page

getNiceStartIndex

public int getNiceStartIndex()

Description copied from interface: PaginationSupport

Returns a start index for use in the UI. It returns the start index + 1

Specified by:

getNiceStartIndex in interface PaginationSupport<T>

Returns:

a nice start index

getPage

public List<T> getPage()

Returns a subset of the list of items passed in, based on startIndex and the page size

Specified by:

getPage in interface PaginationSupport<T>

Returns:

a subset of the list of items passed in, based on startIndex and the page size

getTotal

public int getTotal()

Description copied from interface: PaginationSupport

Returns the total number of items in the list

Specified by:

getTotal in interface PaginationSupport<T>

Returns:

total number of items in the list

getPageSize

public int getPageSize()

Description copied from interface: PaginationSupport

Returns the number of items available on the current page.

Specified by:

getPageSize in interface PaginationSupport<T>

Returns:

the number of items available on the current page.