String cacheDirStr = (String) this.cacheMap.get( dsAndDs );
String cacheDirStr = null; synchronized ( this.cacheMap ) { cacheDirStr = (String) this.cacheMap.get( dsAndDs ); }
	synchronized boolean doesLoadFromCache( DataSourceAndDataSet dsAndDs )	{		String cacheDirStr = (String) this.cacheMap.get( dsAndDs );		if ( cacheDirStr != null && new File( cacheDirStr ).exists( ) == true )			return true;		else			return false;	}