private void releaseUselessResources(){
  offlineProcessor.destroy();
  offlineProcessor=null;
  IFigureManager.cleanCache();
  System.gc();
}

private void releaseUselessResources ( ) { offlineProcessor . destroy ( ) ; offlineProcessor = null ; IFigureManager . cleanCache ( ) ; System . gc ( ) ; }
stuff that is useless for querying is released .
