Package com.macrofocus.molap.dataframe

Class ReIndexedDataFrame<R,C,V,X,Y>

java.lang.Object

com.macrofocus.molap.dataframe.AbstractDataFrame<R,C,V>

com.macrofocus.molap.dataframe.AbstractMutableDataFrame<R,C,V>

com.macrofocus.molap.dataframe.ReIndexedDataFrame<R,C,V,X,Y>

Type Parameters:

R - the rexindexed type of rows

C - the reindexed type of columns

V - the type of values

X - the original type of rows

Y - the original type of columns

All Implemented Interfaces:

DataFrame<R,C,V>, MutableDataFrame<R,C,V>

Direct Known Subclasses:

TimeSeriesDataFrames.DefaultDynamic, TimeSeriesDataFrames.DefaultStatic

public class ReIndexedDataFrame<R,C,V,X,Y>
extends AbstractMutableDataFrame<R,C,V>
implements MutableDataFrame<R,C,V>

A reindexed data frame.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ReIndexedDataFrame.ReIndexRecipe<R,C>

Nested classes/interfaces inherited from class com.macrofocus.molap.dataframe.AbstractDataFrame

AbstractDataFrame.ColumnSeries

Field Summary

Fields

Modifier and Type	Field	Description
protected DataFrame<X,Y,V>	dataFrame

Constructor Summary

Constructors

Constructor	Description
ReIndexedDataFrame(DataFrame<X,Y,V> dataFrame, ReIndexedDataFrame.ReIndexRecipe<R,C> recipe)

Method Summary

Modifier and Type	Method	Description
java.lang.Iterable<C>	columns()	Returns the column keys.
protected void	dataFrameChanged()
Series<R,V>	getColumn(C column)	Returns a series of all the values of a given column.
int	getColumnAddress(C column)	Returns the absolute index for the specified column key.
java.lang.Class	getColumnClass(C column)	Returns the most specific superclass for all cell values in a column
int	getColumnCount()	Returns the number of columns contained by this data frame.
UniqueIndex<C>	getColumnIndex()	Gets the index used to access the columns.
C	getColumnKey(int index)	Returns the column key at the specified absolute index.
Series<C,?>	getRow(R row)	Returns a series of all the values of a given row.
int	getRowAddress(R row)	Returns the absolute index for the specified row key.
java.lang.Class	getRowClass(R row)	Returns the most specific superclass for all cell values in a row.
int	getRowCount()	Returns the number of rows contained by the this data frame.
UniqueIndex<R>	getRowIndex()	Gets the index used to access the rows.
R	getRowKey(int index)	Returns the row key at the specified absolute index.
V	getValueAt(R row, C column)	Returns the value for the cell at the intersection of the column key and row key.
DataFrame	join(Series series, C[] columns)
java.lang.Iterable<R>	rows()	Returns the row keys.
protected void	setRecipe(ReIndexedDataFrame.ReIndexRecipe<R,C> recipe)
void	setValueAt(R row, C column, V value)	Sets the value for the cell at the intersection of the column key and row key.

Methods inherited from class com.macrofocus.molap.dataframe.AbstractMutableDataFrame

reindexRows, reindexRows

Methods inherited from class com.macrofocus.molap.dataframe.AbstractDataFrame

addDataFrameListener, addWeakDataFrameListener, aggregate, aggregate, append, appendAndReindex, benchmark, filter, getCentroid, getColumnName, getConstant, getCount, getCountDistinct, getCountDistinctWithNull, getCube, getDataFrameAggregation, getDistributiveStatistics, getFirst, getFirstQuartile, getMax, getMean, getMedian, getMin, getRandom, getStatistics, getStdDev, getSum, getThirdQuartile, getUnivariateStatistics, getVariance, getVarianceByPopulation, getWeightedMean, getWeightedSum, notifyDataFrameChanged, orderRows, print, print, printSchema, reindexColumns, reindexRows, reindexRows, reindexRows, remapColumns, removeColumns, removeDataFrameListener, removeDataFrameListeners, removeDuplicates

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.macrofocus.molap.dataframe.DataFrame

addDataFrameListener, addWeakDataFrameListener, aggregate, aggregate, append, appendAndReindex, benchmark, filter, getCentroid, getColumnName, getConstant, getCount, getCountDistinct, getCountDistinctWithNull, getDataFrameAggregation, getDistributiveStatistics, getFirst, getFirstQuartile, getMax, getMean, getMedian, getMin, getRandom, getStatistics, getStdDev, getSum, getThirdQuartile, getUnivariateStatistics, getVariance, getVarianceByPopulation, getWeightedMean, getWeightedSum, orderRows, print, print, printSchema, reindexColumns, reindexRows, reindexRows, reindexRows, remapColumns, removeColumns, removeDataFrameListener, removeDataFrameListeners, removeDuplicates

Methods inherited from interface com.macrofocus.molap.dataframe.MutableDataFrame

reindexRows, reindexRows

Field Detail

dataFrame

protected final DataFrame<X,Y,V> dataFrame

Constructor Detail

ReIndexedDataFrame

public ReIndexedDataFrame(DataFrame<X,Y,V> dataFrame,
                          ReIndexedDataFrame.ReIndexRecipe<R,C> recipe)

Method Detail

setRecipe

protected void setRecipe(ReIndexedDataFrame.ReIndexRecipe<R,C> recipe)

dataFrameChanged

protected void dataFrameChanged()

getRowClass

public java.lang.Class getRowClass(R row)

Description copied from interface: DataFrame

Returns the most specific superclass for all cell values in a row.

Specified by:

getRowClass in interface DataFrame<R,C,V>

Parameters:

row - the key of the row

Returns:

the common ancestor class of the object values in the row.

getColumnClass

public java.lang.Class getColumnClass(C column)

Description copied from interface: DataFrame

Returns the most specific superclass for all cell values in a column

Specified by:

getColumnClass in interface DataFrame<R,C,V>

Parameters:

column - the key of the column

Returns:

the common ancestor class of the object values in the column.

getValueAt

public V getValueAt(R row,
                    C column)

Description copied from interface: DataFrame

Returns the value for the cell at the intersection of the column key and row key.

Specified by:

getValueAt in interface DataFrame<R,C,V>

Parameters:

row - the row key whose value is to be queried

column - the column key whose value is to be queried

Returns:

the value Object at the specified cell

setValueAt

public void setValueAt(R row,
                       C column,
                       V value)

Description copied from interface: MutableDataFrame

Sets the value for the cell at the intersection of the column key and row key.

Specified by:

setValueAt in interface MutableDataFrame<R,C,V>

Parameters:

row - the row key whose value is to be changed

column - the column key whose value is to be changed

value - the new value at the specified cell

getRow

public Series<C,?> getRow(R row)

Description copied from interface: DataFrame

Returns a series of all the values of a given row.

Specified by:

getRow in interface DataFrame<R,C,V>

Parameters:

row - the row key

Returns:

a Series object

getColumn

public Series<R,V> getColumn(C column)

Description copied from interface: DataFrame

Returns a series of all the values of a given column.

Specified by:

getColumn in interface DataFrame<R,C,V>

Overrides:

getColumn in class AbstractDataFrame<R,C,V>

Parameters:

column - the row key

Returns:

a Series object

rows

public java.lang.Iterable<R> rows()

Description copied from interface: DataFrame

Returns the row keys.

Specified by:

rows in interface DataFrame<R,C,V>

Overrides:

rows in class AbstractDataFrame<R,C,V>

Returns:

the row keys

columns

public java.lang.Iterable<C> columns()

Description copied from interface: DataFrame

Returns the column keys.

Specified by:

columns in interface DataFrame<R,C,V>

Overrides:

columns in class AbstractDataFrame<R,C,V>

Returns:

the column keys

getRowKey

public R getRowKey(int index)

Description copied from interface: DataFrame

Returns the row key at the specified absolute index. This is the inverse of DataFrame.getRowAddress(Object).

Specified by:

getRowKey in interface DataFrame<R,C,V>

Overrides:

getRowKey in class AbstractDataFrame<R,C,V>

Parameters:

index - the index

Returns:

the row key

getColumnKey

public C getColumnKey(int index)

Description copied from interface: DataFrame

Returns the column key at the specified absolute index. This is the inverse of DataFrame.getColumnAddress(Object).

Specified by:

getColumnKey in interface DataFrame<R,C,V>

Overrides:

getColumnKey in class AbstractDataFrame<R,C,V>

Parameters:

index - the index

Returns:

the column key

getRowAddress

public int getRowAddress(R row)

Description copied from interface: DataFrame

Returns the absolute index for the specified row key. This is the inverse of DataFrame.getRowKey(int).

Specified by:

getRowAddress in interface DataFrame<R,C,V>

Overrides:

getRowAddress in class AbstractDataFrame<R,C,V>

Parameters:

row - the row key

Returns:

the absolute index of the specified key.

getColumnAddress

public int getColumnAddress(C column)

Description copied from interface: DataFrame

Returns the absolute index for the specified column key. This is the inverse of DataFrame.getColumnKey(int).

Specified by:

getColumnAddress in interface DataFrame<R,C,V>

Overrides:

getColumnAddress in class AbstractDataFrame<R,C,V>

Parameters:

column - the column key

Returns:

the absolute index of the specified key.

getRowCount

public int getRowCount()

Description copied from interface: DataFrame

Returns the number of rows contained by the this data frame.

Specified by:

getRowCount in interface DataFrame<R,C,V>

Overrides:

getRowCount in class AbstractDataFrame<R,C,V>

Returns:

the number of rows.

getColumnCount

public int getColumnCount()

Description copied from interface: DataFrame

Returns the number of columns contained by this data frame.

Specified by:

getColumnCount in interface DataFrame<R,C,V>

Overrides:

getColumnCount in class AbstractDataFrame<R,C,V>

Returns:

the number of columns.

join

public DataFrame join(Series series,
                      C[] columns)

Specified by:

join in interface DataFrame<R,C,V>

getRowIndex

public UniqueIndex<R> getRowIndex()

Description copied from interface: DataFrame

Gets the index used to access the rows.

Specified by:

getRowIndex in interface DataFrame<R,C,V>

Returns:

the row index

getColumnIndex

public UniqueIndex<C> getColumnIndex()

Description copied from interface: DataFrame

Gets the index used to access the columns.

Specified by:

getColumnIndex in interface DataFrame<R,C,V>

Returns:

the column index