synchronized(this) {
StyleSource style = styleMap.get(fullPath);
SourceEntry rule = ruleMap.get(fullPath);
if (style != null) {
Main.info("Map style "+style.getDisplayString()+" has been modified. Reloading style...");
Main.worker.submit(new MapPaintStyleLoader(Collections.singleton(style)));
} else if (rule != null) {
Main.info("Validator rule "+rule.getDisplayString()+" has been modified. Reloading rule...");
MapCSSTagChecker tagChecker = OsmValidator.getTest(MapCSSTagChecker.class);
if (tagChecker != null) {
try {