DataSource( String driverName, Map connProperties ) { assert driverName != null; this.driverName = driverName; if ( connProperties != null ) this.connectionProps.putAll( connProperties ); }
DataSource( String driverName ) { this.driverName = driverName; }
    DataSource( String driverName, Map connProperties )	{    	assert driverName != null;    	this.driverName = driverName;    	if ( connProperties != null )    		this.connectionProps.putAll( connProperties );	}