mondrian.rolap.agg

Class DenseDoubleSegmentDataset

java.lang.Object

mondrian.rolap.agg.DenseSegmentDataset

mondrian.rolap.agg.DenseNativeSegmentDataset

mondrian.rolap.agg.DenseDoubleSegmentDataset

All Implemented Interfaces:

Iterable<Map.Entry<CellKey,Object>>, SegmentDataset

 class DenseDoubleSegmentDataset
extends DenseNativeSegmentDataset

Implementation of DenseSegmentDataset that stores values of type double.

Author:

jhyde

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double[]	values

Fields inherited from class mondrian.rolap.agg.DenseNativeSegmentDataset

nullValues

Fields inherited from class mondrian.rolap.agg.DenseSegmentDataset

axisMultipliers

Constructor Summary

Constructors

Constructor and Description
DenseDoubleSegmentDataset(SegmentAxis[] axes, double[] values, BitSet nullIndicators) Creates a populated DenseDoubleSegmentDataset.
DenseDoubleSegmentDataset(SegmentAxis[] axes, int size) Creates a DenseDoubleSegmentDataset.

Method Summary

Methods

Modifier and Type	Method and Description
SegmentBody	createSegmentBody(List<Pair<SortedSet<Comparable>,Boolean>> axes) Return an immutable, final and serializable implementation of a SegmentBody in order to cache this dataset.
boolean	exists(CellKey pos) Returns whether there is a value at a given coordinate.
double	getDouble(CellKey key) Returns the value at a given coordinate, as a double.
Object	getObject(CellKey pos) Returns the value at a given coordinate, as an Object.
Double	getObject(int offset)
protected int	getSize()
SqlStatement.Type	getType() Returns the SQL type of the data contained in this dataset.
void	populateFrom(int[] pos, SegmentDataset data, CellKey key)
void	populateFrom(int[] pos, SegmentLoader.RowList rowList, int column) Sets the value a given ordinal.
(package private) void	set(int k, double d)

Methods inherited from class mondrian.rolap.agg.DenseNativeSegmentDataset

isNull, isNull

Methods inherited from class mondrian.rolap.agg.DenseSegmentDataset

getBytes, getInt, getOffset, getOffset, iterator

Methods inherited from class java.lang.Object

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

Field Detail

values

final double[] values

Constructor Detail

DenseDoubleSegmentDataset

DenseDoubleSegmentDataset(SegmentAxis[] axes,
                         int size)

Creates a DenseDoubleSegmentDataset.

Parameters:

axes - Segment axes, containing actual column values

size - Number of coordinates

DenseDoubleSegmentDataset

DenseDoubleSegmentDataset(SegmentAxis[] axes,
                         double[] values,
                         BitSet nullIndicators)

Creates a populated DenseDoubleSegmentDataset.

Parameters:

axes - Segment axes, containing actual column values

values - Cell values; not copied

nullIndicators - Null indicators

Method Detail

getDouble

public double getDouble(CellKey key)

Description copied from interface: SegmentDataset

Returns the value at a given coordinate, as a double.

Specified by:

getDouble in interface SegmentDataset

Overrides:

getDouble in class DenseSegmentDataset

Parameters:

key - Coordinate position

Returns:

Value

getObject

public Object getObject(CellKey pos)

Description copied from interface: SegmentDataset

Returns the value at a given coordinate, as an Object.

Specified by:

getObject in interface SegmentDataset

Overrides:

getObject in class DenseSegmentDataset

Parameters:

pos - Coordinate position

Returns:

Value

getObject

public Double getObject(int offset)

Specified by:

getObject in class DenseSegmentDataset

exists

public boolean exists(CellKey pos)

Description copied from interface: SegmentDataset

Returns whether there is a value at a given coordinate.

Parameters:

pos - Coordinate position

Returns:

Whether there is a value

populateFrom

public void populateFrom(int[] pos,
                SegmentDataset data,
                CellKey key)

populateFrom

public void populateFrom(int[] pos,
                SegmentLoader.RowList rowList,
                int column)

Description copied from interface: SegmentDataset

Sets the value a given ordinal.

Parameters:

pos - Ordinal

rowList - Row list

column - Column of row list

getType

public SqlStatement.Type getType()

Description copied from interface: SegmentDataset

Returns the SQL type of the data contained in this dataset.

Returns:

A value of SqlStatement.Type

set

void set(int k,
       double d)

getSize

protected int getSize()

Specified by:

getSize in class DenseSegmentDataset

createSegmentBody

public SegmentBody createSegmentBody(List<Pair<SortedSet<Comparable>,Boolean>> axes)

Description copied from interface: SegmentDataset

Return an immutable, final and serializable implementation of a SegmentBody in order to cache this dataset.

Parameters:

axes - An array with, for each axis, the set of axis values, sorted in natural order, and a flag saying whether the null value is also present. This is supplied by the SegmentLoader.

Returns:

A SegmentBody.