org.knime.base.data.aggregation.general
Class SortedListCellOperator

java.lang.Object
  org.knime.base.data.aggregation.AggregationOperator
      org.knime.base.data.aggregation.general.ListCellOperator
          org.knime.base.data.aggregation.general.SortedListCellOperator

All Implemented Interfaces:

Comparable<AggregationMethod>, AggregationMethod

Direct Known Subclasses:

MedianOperator

public class SortedListCellOperator
extends ListCellOperator

Returns all values as a sorted ListCell per group.

Author:

Tobias Koetter, University of Konstanz

Constructor Summary

	SortedListCellOperator(GlobalSettings globalSettings, OperatorColumnSettings opColSettings) Constructor for class SortedListCellOperator.
protected	SortedListCellOperator(OperatorData operatorData, GlobalSettings globalSettings, OperatorColumnSettings opColSettings) Constructor for class SortedListCellOperator.

Method Summary

AggregationOperator	createInstance(GlobalSettings globalSettings, OperatorColumnSettings opColSettings) Creates a new instance of this operator.
String	getDescription()
protected DataCell	getResultInternal()
protected void	sortCells(List<DataCell> cells)

Methods inherited from class org.knime.base.data.aggregation.general.ListCellOperator

computeInternal, getCells, getDataType, resetInternal

Methods inherited from class org.knime.base.data.aggregation.AggregationOperator

compareTo, compute, createColumnSpec, createOperator, getColumnLabel, getGlobalSettings, getId, getLabel, getMaxUniqueValues, getOperatorData, getResult, getSkipMessage, getSupportedType, getSupportedTypeLabel, getValueDelimiter, inclMissingCells, isCompatible, isCompatible, isSkipped, isUsesLimit, keepColumnSpec, reset, setSkipMessage, setSkipped, supportsMissingValueOption, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SortedListCellOperator

public SortedListCellOperator(GlobalSettings globalSettings,
                              OperatorColumnSettings opColSettings)

Constructor for class SortedListCellOperator.

Parameters:

globalSettings - the global settings

opColSettings - the operator column specific settings

SortedListCellOperator

protected SortedListCellOperator(OperatorData operatorData,
                                 GlobalSettings globalSettings,
                                 OperatorColumnSettings opColSettings)

Constructor for class SortedListCellOperator.

Parameters:

operatorData - the operator data

globalSettings - the global settings

opColSettings - the operator column specific settings

Method Detail

createInstance

public AggregationOperator createInstance(GlobalSettings globalSettings,
                                          OperatorColumnSettings opColSettings)

Creates a new instance of this operator. A new instance is created for each column.

Overrides:

createInstance in class ListCellOperator

Parameters:

globalSettings - the global settings

opColSettings - the operator column specific settings

Returns:

a new instance of this operator

getResultInternal

protected DataCell getResultInternal()

Overrides:

getResultInternal in class ListCellOperator

Returns:

the result DataCell

sortCells

protected void sortCells(List<DataCell> cells)

Parameters:

cells - the cells sorted using the DataValueComparator for the original DataType of the column to group

getDescription

public String getDescription()

Specified by:

getDescription in interface AggregationMethod

Overrides:

getDescription in class ListCellOperator

Returns:

a description that explains the used aggregation method to the user