com.bbn.openmap.dataAccess.mapTile
Interface MapTileFactory

All Known Implementing Classes:

DebugMapTileFactory, GoogleMapTileFactory, ServerMapTileFactory, StandardMapTileFactory, TileMillMapTileFactory

public interface MapTileFactory

An object that fetches tiles for a given projection. It could cache the tiles, it can get them from anywhere it might want to.

Author:

dietrick

Method Summary

EmptyTileHandler	getEmptyTileHandler() Get object that handles empty tiles.
OMGraphicList	getTiles(Projection proj) Create an OMGraphicList with a set of tiles on it.
OMGraphicList	getTiles(Projection proj, int zoomLevel) Create an OMGraphicList that covers the projection with tiles that suit the specified zoom level.
OMGraphicList	getTiles(Projection proj, int zoomLevel, OMGraphicList list) Add tiles to OMGraphicList provided that suit the given projection.
void	reset() Tell the factory to clean up resources.
void	setMapTileRequester(MapTileRequester requestor) Set a MapTileRequestor in the tile factory that should be told to repaint when new tiles become available, and to check with during the tile fetch whether to keep going or not.

Method Detail

getTiles

OMGraphicList getTiles(Projection proj)

Create an OMGraphicList with a set of tiles on it.

Parameters:

proj -

Returns:

OMGraphicList that was created.

getTiles

OMGraphicList getTiles(Projection proj,
                       int zoomLevel)

Create an OMGraphicList that covers the projection with tiles that suit the specified zoom level.

getTiles

OMGraphicList getTiles(Projection proj,
                       int zoomLevel,
                       OMGraphicList list)

Add tiles to OMGraphicList provided that suit the given projection.

Parameters:

proj -

list -

Returns:

the OMGraphicList provided.

setMapTileRequester

void setMapTileRequester(MapTileRequester requestor)

Set a MapTileRequestor in the tile factory that should be told to repaint when new tiles become available, and to check with during the tile fetch whether to keep going or not. listUpdate will be called when a new tile has been added to the OMGraphicList passed in the getTiles method, and shouldContinue will be called during stable times during the getTiles fetch.

Parameters:

requestor - callback MapTileRequestor to ask status questions.

reset

void reset()

Tell the factory to clean up resources.

getEmptyTileHandler

EmptyTileHandler getEmptyTileHandler()

Get object that handles empty tiles.

Returns:

EmptyTileHandler used by the factory.