io.cdap.wrangler.statistics

Interface Statistics

All Known Implementing Classes:

BasicStatistics

@PublicEvolving
public interface Statistics

Interface for calculating metrics over the records being processed.

Method Summary

Modifier and Type	Method and Description
Row	aggregate(List<Row> rows) Aggregates statistics for all the rows.

Method Detail

aggregate

Row aggregate(List<Row> rows)

Aggregates statistics for all the rows.

Parameters:

rows - to be aggregated.

Returns:

Summary in the form of Row