AbstractBatchingList Class Reference

Inherits java::util::AbstractList, and er::extensions::batching::IBatchingList.

Collaboration diagram for AbstractBatchingList:

[legend]

List of all members.

Public Member Functions
	AbstractBatchingList ()
Object	get (int index)
void	setPageIndex (int pageIndex)
void	setPageSize (int pageSize)
void	setSortOrderings (NSArray sortOrderings)
int	size ()
Protected Member Functions
void	ensurePageLoaded (int index)
abstract Object	getFromPage (int index)
abstract int	getTotalCount ()
abstract void	invalidatePage ()
abstract boolean	isPageLoaded ()
abstract void	loadPage (int startingIndex, int pageSize, NSArray sortOrderings)
Private Attributes
int	_pageIndex
int	_pageSize
NSArray	_sortOrderings

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Detailed Description

Partial implementation of the IBatchingList interface that handles page invalidation and most of the List interface.

Author:

mschrag

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Constructor & Destructor Documentation

AbstractBatchingList

(

)

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Member Function Documentation

void ensurePageLoaded

(

int

index

)

[protected]

Object get

(

int

index

)

abstract Object getFromPage

(

int

index

)

[protected, pure virtual]

Returns the index'th element from the current page.

Parameters:

index

the index of the element to return

Returns:

the element

abstract int getTotalCount

(

)

[protected, pure virtual]

Returns the total size of this list.

abstract void invalidatePage

(

)

[protected, pure virtual]

Invalidates the current page of objects, requiring a reload.

abstract boolean isPageLoaded

(

)

[protected, pure virtual]

Returns whether or not the current page has been loaded.

abstract void loadPage	(	int	startingIndex,
		int	pageSize,
		NSArray	sortOrderings
	)			[protected, pure virtual]

Loads one page into this list.

Parameters:

	startingIndex	the index of the first element of the page (in element units, not page units)
	pageSize	the size of the page to load
	sortOrderings	the list of sort orderings

void setPageIndex

(

int

_pageIndex

)

Sets the page number that is currently being viewed on this list.

Parameters:

_pageIndex

the page number

Implements IBatchingList.

void setPageSize

(

int

_pageSize

)

Sets the page size of this list.

Parameters:

_pageSize

the page size

Implements IBatchingList.

void setSortOrderings

(

NSArray

_sortOrderings

)

Sets the sort orderings of this list.

Parameters:

_sortOrderings

the sort orderings array

Implements IBatchingList.

int size

(

)

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Member Data Documentation

int _pageIndex [private]

int _pageSize [private]

NSArray _sortOrderings [private]

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The documentation for this class was generated from the following file:

• /opt/source/Wonder/Frameworks/Core/ERExtensions/Sources/er/extensions/batching/AbstractBatchingList.java