http://idk.i2p/javadoc-i2p/org/rrd4j/data/Variable.FIRST.html
Object clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait Constructor Details FIRST public FIRST () Method Details fill protected Variable.Value fill (long[] timestamps,
double[] values,
long start,
long end) Description copied from class: Variable This method is call with the needed values, extracted from the datasource to do the calculation.