Package org.oscim.layers.tile

Class TileLoader

java.lang.Object

java.lang.Thread

org.oscim.utils.PausableThread

org.oscim.layers.tile.TileLoader

All Implemented Interfaces:

Runnable, ITileDataSink

Direct Known Subclasses:

BitmapTileLoader, VectorTileLoader

public abstract class TileLoader
extends PausableThread
implements ITileDataSink

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
protected MapTile	mTile	currently processed tile

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor	Description
TileLoader(TileManager tileManager)

Method Summary

Modifier and Type	Method	Description
abstract void	cancel()
void	completed(QueryResult result)	Callback to be called by TileDataSource when finished loading or on failure.
abstract void	dispose()
protected void	doWork()	Called when this thread is not paused and should do its work.
protected String	getThreadName()
protected int	getThreadPriority()
void	go()
protected boolean	hasWork()
protected abstract boolean	loadTile(MapTile tile)
void	process(MapElement element)	Called by TileDataSource
void	setTileImage(Bitmap bitmap)	Called by TileDataSource

Methods inherited from class org.oscim.utils.PausableThread

afterPause, afterRun, awaitPausing, finish, isCanceled, isPausing, pause, proceed, run

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Details

mTile

protected MapTile mTile

currently processed tile

Constructor Details

TileLoader

public TileLoader(TileManager tileManager)

Method Details

loadTile

protected abstract boolean loadTile(MapTile tile)

go

public void go()

doWork

protected void doWork()

Description copied from class: PausableThread

Called when this thread is not paused and should do its work.

Specified by:

doWork in class PausableThread

getThreadName

protected String getThreadName()

Specified by:

getThreadName in class PausableThread

Returns:

the name of this thread.

getThreadPriority

protected int getThreadPriority()

Overrides:

getThreadPriority in class PausableThread

Returns:

the priority of this thread. The default value is Thread.NORM_PRIORITY.

hasWork

protected boolean hasWork()

Specified by:

hasWork in class PausableThread

Returns:

true if this thread has some work to do, false otherwise.

dispose

public abstract void dispose()

cancel

public abstract void cancel()

completed

public void completed(QueryResult result)

Callback to be called by TileDataSource when finished loading or on failure. MUST BE CALLED IN ANY CASE!

Specified by:

completed in interface ITileDataSink

process

public void process(MapElement element)

Called by TileDataSource

Specified by:

process in interface ITileDataSink

setTileImage

public void setTileImage(Bitmap bitmap)

Called by TileDataSource

Specified by:

setTileImage in interface ITileDataSink