org.altbeacon.beacon.service

Class RunningAverageRssiFilter

java.lang.Object

org.altbeacon.beacon.service.RunningAverageRssiFilter

All Implemented Interfaces:

RssiFilter

public class RunningAverageRssiFilter
extends Object
implements RssiFilter

Calculate a RSSI value on base of an arbitrary list of measured RSSI values The list is clipped by a certain length at start and end and the average is calculate by simple arithmetic average

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEFAULT_SAMPLE_EXPIRATION_MILLISECONDS

Constructor Summary

Constructors

Constructor and Description
RunningAverageRssiFilter()

Method Summary

Modifier and Type	Method and Description
void	addMeasurement(Integer rssi)
double	calculateRssi()
int	getMeasurementCount()
boolean	noMeasurementsAvailable()
static void	setSampleExpirationMilliseconds(long newSampleExpirationMilliseconds)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SAMPLE_EXPIRATION_MILLISECONDS

public static final long DEFAULT_SAMPLE_EXPIRATION_MILLISECONDS

See Also:

Constant Field Values

Constructor Detail

RunningAverageRssiFilter

public RunningAverageRssiFilter()

Method Detail

addMeasurement

public void addMeasurement(Integer rssi)

Specified by:

addMeasurement in interface RssiFilter

noMeasurementsAvailable

public boolean noMeasurementsAvailable()

Specified by:

noMeasurementsAvailable in interface RssiFilter

getMeasurementCount

public int getMeasurementCount()

Specified by:

getMeasurementCount in interface RssiFilter

calculateRssi

public double calculateRssi()

Specified by:

calculateRssi in interface RssiFilter

setSampleExpirationMilliseconds

public static void setSampleExpirationMilliseconds(long newSampleExpirationMilliseconds)