org.knime.base.data.filter.row
Class FilterRowTable

java.lang.Object
  org.knime.base.data.filter.row.FilterRowTable

All Implemented Interfaces:

Iterable<DataRow>, DataTable

public class FilterRowTable
extends Object
implements DataTable

This class filters a given number of rows from a DataTable using the FilterRowGenerator interface to check the criteria.

Author:

Thomas Gabriel, University of Konstanz

See Also:

FilterRowGenerator

Constructor Summary

FilterRowTable(DataTable data, FilterRowGenerator gen)
Creates a new row filter table by wraping the given data table.

Method Summary

DataTableSpec	getDataTableSpec() Returns the DataTableSpec object of this table which gives information about the structure of this data table.
RowIterator	iterator() Returns a row iterator which returns each row one-by-one from the table.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FilterRowTable

public FilterRowTable(DataTable data,
                      FilterRowGenerator gen)

Creates a new row filter table by wraping the given data table. The filter row generator is used to check if each row from the iteration belongs is included in this table.

Parameters:

data - the underlying data table

gen - the filter row generator

Throws:

NullPointerException - if one of the arguments is null

Method Detail

getDataTableSpec

public DataTableSpec getDataTableSpec()

Returns the DataTableSpec object of this table which gives information about the structure of this data table.

Specified by:

getDataTableSpec in interface DataTable

Returns:

the DataTableSpec of this table

iterator

public RowIterator iterator()

Returns a row iterator which returns each row one-by-one from the table.

Specified by:

iterator in interface Iterable<DataRow>

Specified by:

iterator in interface DataTable

Returns:

row iterator

See Also:

DataRow