public boolean needToFetchTileContents(String currentFeature, TileDirectory currentTile, OMGraphicList requestor) {
public synchronized boolean needToFetchTileContents(String currentFeature, TileDirectory currentTile, OMGraphicList requestor) {
    public boolean needToFetchTileContents(String currentFeature,                                            TileDirectory currentTile,                                            OMGraphicList requestor) {        if (loadCachedGraphicList(currentFeature, currentTile.getPath(), requestor)) {            if (Debug.debugging("vpf.cache")) {                Debug.output("VPFFeatureCache: Loaded Cached List: " +                              createTableCacheKey(currentFeature, currentTile.getPath()));            }            return false;        }        return true;    }