org.android.activityminer.model.features
Class FeatureVector

java.lang.Object
  org.android.activityminer.model.features.FeatureVector

All Implemented Interfaces:

SerializableData, ObservableEvent

public class FeatureVector
extends Object
implements ObservableEvent, SerializableData

The lightweight feature vector representation which does just hold the calculated feature values accessible by their types.

Field Summary

private SparseArray<Double>	mapValue2FeatureType The map with the values per feature dimension.
private Long	timeStamp The time stamp for the feature vector.

Constructor Summary

FeatureVector()
Constructor

Method Summary

Double	get(FeatureTypes type) Getter for the value of a specific feature type
SparseArray<Double>	getMapValue2FeatureDimension() Getter for the map with the values per feature dimension.
Long	getTimeStamp() Getter for the time stamp.
FeatureTypes[]	getTypes() Getter for the feature types
Double[]	getValues() Getter for the values.
void	set(FeatureTypes dim, Double value) Setter for the feature value of a specific feature type.
void	setMapValue2FeatureDimension(SparseArray<Double> mapValue2FeatureType) Setter for the map with the values per feature type.
void	setTimeStamp(Long ts) Setter for the time-stamp
int	size() Getter for the size.
String	toXML()

Methods inherited from class java.lang.Object

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

Field Detail

mapValue2FeatureType

private SparseArray<Double> mapValue2FeatureType

The map with the values per feature dimension.

timeStamp

private Long timeStamp

The time stamp for the feature vector.

Constructor Detail

FeatureVector

public FeatureVector()

Constructor

Method Detail

setMapValue2FeatureDimension

public final void setMapValue2FeatureDimension(SparseArray<Double> mapValue2FeatureType)

Setter for the map with the values per feature type.

Parameters:

mapValue2FeatureType - the map with the feature value pairs

getMapValue2FeatureDimension

public final SparseArray<Double> getMapValue2FeatureDimension()

Getter for the map with the values per feature dimension.

Returns:

the map with the values per feature dimension

getTimeStamp

public final Long getTimeStamp()

Getter for the time stamp.

Returns:

the time stamp in milliseconds

setTimeStamp

public final void setTimeStamp(Long ts)

Setter for the time-stamp

Parameters:

ts - the time-stamp to set

getValues

public final Double[] getValues()

Getter for the values.

Returns:

the array with the values for all features types

getTypes

public final FeatureTypes[] getTypes()

Getter for the feature types

Returns:

the contained types array

get

public final Double get(FeatureTypes type)

Getter for the value of a specific feature type

Parameters:

type - the feature type identifier

Returns:

the value for the given feature type

set

public final void set(FeatureTypes dim,
                      Double value)

Setter for the feature value of a specific feature type.

Parameters:

dim - the feature type to set the value for

value - the value to set

toXML

public final String toXML()
                   throws Exception

Specified by:

toXML in interface SerializableData

Throws:

Exception

size

public int size()

Getter for the size.

Returns:

the size