de.unknownreality.dataframe.group

Class DataGroup

java.lang.Object

de.unknownreality.dataframe.DataFrame

de.unknownreality.dataframe.group.DataGroup

All Implemented Interfaces:

DataContainer<DataFrameHeader,DataRow>, RowIterator<DataRow>, Iterable<DataRow>

public class DataGroup
extends DataFrame

Created by Alex on 10.03.2016.

Field Summary

Fields inherited from class de.unknownreality.dataframe.DataFrame

PRIMARY_INDEX_NAME

Constructor Summary

Constructors

Constructor and Description
DataGroup(String[] columns, Comparable[] values) Creates a data grouping using group columns and the respective values

Method Summary

Modifier and Type	Method and Description
String	getGroupDescription() Returns the group description.
GroupHeader	getGroupHeader() Returns the GroupHeader
GroupValues	getGroupValues() Returns the GroupValues

Methods inherited from class de.unknownreality.dataframe.DataFrame

addColumn, addColumn, addColumn, addColumn, addColumn, addColumns, addColumns, addIndex, addIndex, append, append, concat, concat, concat, containsColumn, copy, createSubset, equals, filter, filter, find, find, findByIndex, findByPrimaryKey, findFirst, findFirst, findFirstByIndex, findRows, getBooleanColumn, getByteColumn, getColumn, getColumn, getColumnNames, getColumns, getDoubleColumn, getFloatColumn, getHeader, getIndices, getIntegerColumn, getLongColumn, getNumberColumn, getRow, getRows, getRows, getRowValues, getShortColumn, getStringColumn, groupBy, isCompatible, isIndexColumn, iterator, joinInner, joinInner, joinInner, joinLeft, joinLeft, joinLeft, joinRight, joinRight, joinRight, map, notifyColumnChanged, notifyColumnValueChanged, removeColumn, removeColumn, removeIndex, removePrimaryKey, renameColumn, reverse, select, select, select, selectFirst, selectFirst, selectFirst, selectRows, selectRows, set, set, setPrimaryKey, setPrimaryKey, shuffle, size, sort, sort, sort, sort, subset, transform, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

DataGroup

public DataGroup(String[] columns,
                 Comparable[] values)

Creates a data grouping using group columns and the respective values

Parameters:

columns - group columns

values - group column values

Method Detail

getGroupHeader

public GroupHeader getGroupHeader()

Returns the GroupHeader

Returns:

group header

getGroupValues

public GroupValues getGroupValues()

Returns the GroupValues

Returns:

group values

getGroupDescription

public String getGroupDescription()

Returns the group description. The description is based on the group columns and their respective value.

groupColumnA=groupValueA, groupColumnB=groupValueB, ...

Returns:

group description