Package elki.data.projection

Class FeatureSelection.ProjectedNumberFeatureVectorAdapter

java.lang.Object

elki.data.projection.FeatureSelection.ProjectedNumberFeatureVectorAdapter

All Implemented Interfaces:

ArrayAdapter<java.lang.Double,NumberVector>, NumberArrayAdapter<java.lang.Double,NumberVector>

Enclosing class:

FeatureSelection<V extends FeatureVector<F>,F>

private class FeatureSelection.ProjectedNumberFeatureVectorAdapter
extends java.lang.Object
implements NumberArrayAdapter<java.lang.Double,NumberVector>

Adapter for generating number vectors without reboxing.

Author:

Erich Schubert

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ProjectedNumberFeatureVectorAdapter()

Method Summary

Modifier and Type	Method	Description
java.lang.Double	get(NumberVector array, int off)	Get the off'th item from the array.
double	getDouble(NumberVector array, int off)	Get the off'th item from the array as double.
long	getLong(NumberVector array, int off)	Get the off'th item from the array as long.
int	size(NumberVector array)	Get the size of the array.

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.utilities.datastructures.arraylike.NumberArrayAdapter

getByte, getFloat, getInteger, getShort

Constructor Detail

ProjectedNumberFeatureVectorAdapter

private ProjectedNumberFeatureVectorAdapter()

Method Detail

size

public int size(NumberVector array)

Description copied from interface: ArrayAdapter

Get the size of the array.

Specified by:

size in interface ArrayAdapter<java.lang.Double,NumberVector>

Specified by:

size in interface NumberArrayAdapter<java.lang.Double,NumberVector>

Parameters:

array - Array-like thing

Returns:

Size

get

public java.lang.Double get(NumberVector array,
                            int off)
                     throws java.lang.IndexOutOfBoundsException

Description copied from interface: ArrayAdapter

Get the off'th item from the array.

Specified by:

get in interface ArrayAdapter<java.lang.Double,NumberVector>

Specified by:

get in interface NumberArrayAdapter<java.lang.Double,NumberVector>

Parameters:

array - Array to get from

off - Offset

Returns:

Item at offset off

Throws:

java.lang.IndexOutOfBoundsException - for an invalid index.

getDouble

public double getDouble(NumberVector array,
                        int off)
                 throws java.lang.IndexOutOfBoundsException

Description copied from interface: NumberArrayAdapter

Get the off'th item from the array as double.

Specified by:

getDouble in interface NumberArrayAdapter<java.lang.Double,NumberVector>

Parameters:

array - Array to get from

off - Offset

Returns:

Item at offset off

Throws:

java.lang.IndexOutOfBoundsException - for an invalid index.

getLong

public long getLong(NumberVector array,
                    int off)
             throws java.lang.IndexOutOfBoundsException

Description copied from interface: NumberArrayAdapter

Get the off'th item from the array as long.

Specified by:

getLong in interface NumberArrayAdapter<java.lang.Double,NumberVector>

Parameters:

array - Array to get from

off - Offset

Returns:

Item at offset off

Throws:

java.lang.IndexOutOfBoundsException - for an invalid index.