Revision 1000 org.gvsig.raster.cache/trunk/org.gvsig.raster.cache/org.gvsig.raster.cache.lib.impl/src/main/java/org/gvsig/raster/cache/tile/impl/layer/TiledLayerImpl.java
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*/ |
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package org.gvsig.raster.cache.tile.impl.layer; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.io.File; |
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import java.security.MessageDigest; |
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import java.security.NoSuchAlgorithmException; |
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import java.util.ArrayList; |
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import javax.swing.Timer; |
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import org.gvsig.raster.cache.tile.Tile; |
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import org.gvsig.raster.cache.tile.disk.ITileFileSystemStrategy; |
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import org.gvsig.raster.cache.tile.exception.TileGettingException; |
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* |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class TiledLayerImpl implements TiledLayer, ActionListener {
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private static int msTime = 20000; |
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public class TiledLayerImpl implements TiledLayer {
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private TileServer provider = null; |
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private TileCacheImpl tileCache = null; |
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private String basePath = null; |
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//private LRUTileCache memoryCache = null; |
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private ThreadPoolImpl pool = null; |
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private ITileFileSystemStrategy strategy = null; |
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private Timer timer = null; |
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private TileListener listener = null; |
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//private boolean cancel = false; |
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private TimerOneTile timerOneTile = null; |
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private TimerTilePool timerTilePool = null; |
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public TiledLayerImpl(TileCacheImpl tileCache, |
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TileServer provider, |
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this.strategy = strategy; |
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} |
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/** |
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* Gets the timer of one tile |
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* @return |
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*/ |
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private TimerOneTile getTimerOneTile() {
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if(timerOneTile == null) |
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timerOneTile = new TimerOneTile(); |
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return timerOneTile; |
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} |
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/** |
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* Gets the timer of a list of tiles |
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* @return |
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*/ |
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private TimerTilePool getTimerTilePool() {
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if(timerTilePool == null) |
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timerTilePool = new TimerTilePool(getThreadPool()); |
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return timerTilePool; |
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} |
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/** |
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* Gets the pool of threads |
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* @return |
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*/ |
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public ThreadPoolImpl getThreadPool() {
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if(pool == null) |
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pool = new ThreadPoolImpl(false); |
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} |
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//Lo obtiene y lo carga desde disco |
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getTimerOneTile().setTile(tile); |
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getTimerOneTile().start(); |
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//Lo descarga de la fuente y lo carga desde disco |
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provider.getDownloader().downloadTile(tile); |
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getTimerOneTile().stop(); |
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tileCache.updateSize(tile.getFile().length()); |
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tileCache.saveSize(); |
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if(!tile.isCorrupt()) |
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* @see org.gvsig.raster.cache.tile.layer.TiledLayer#getTiles(java.util.ArrayList, org.gvsig.raster.cache.tile.provider.TileListener) |
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*/ |
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public void getTiles(ArrayList<Tile> tiles, TileListener listener) throws TileGettingException {
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this.listener = listener; |
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//If a tile is in memory or in disk then this will be returned |
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//else this will be gotten from the provider |
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nTilesToDownload ++; |
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} |
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getTimer().start(); |
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getTimerTilePool().setListener(listener); |
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getTimerTilePool().start(); |
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for (int i = 0; i < nTilesToDownload; i++) {
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getTimer().restart(); |
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getTimerTilePool().restart();
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Tile tile = (Tile)getThreadPool().getTilePipe().getAtomicTask(); |
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if(tile == null) {
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tileCache.updateSize(tile.getFile().length()); |
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listener.tileReady(tile); |
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} |
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getTimer().stop(); |
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getTimerTilePool().stop();
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tileCache.saveSize(); |
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} |
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public void actionPerformed(ActionEvent e) {
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getThreadPool().cancelPool(listener); |
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getThreadPool().getTilePipe().setAtomicTask(null); |
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} |
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private Timer getTimer() {
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if(timer == null) |
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timer = new Timer(msTime, this); |
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return timer; |
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} |
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/* |
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* (non-Javadoc) |
Also available in: Unified diff