org.dashbuilder.dataset.engine.filter

Interface DataSetFilterAlgorithm

All Known Implementing Classes:

DefaultFilterAlgorithm

public interface DataSetFilterAlgorithm

Data set filter algorithm interface.

Method Summary

Modifier and Type	Method and Description
List<Integer>	filter(DataSetHandler ctx, ColumnFilter columnFilter) Filter the specified data set according the filter criteria.

Method Detail

filter

List<Integer> filter(DataSetHandler ctx,
                     ColumnFilter columnFilter)

Filter the specified data set according the filter criteria.

Parameters:

ctx - The data set context to filter

columnFilter - The column filter to apply.

Returns:

A list of ordinals containing only the rows that surpass the filter.