uwcse.location.core
Class Measurement

java.lang.Object
  |
  +--uwcse.location.core.Measurement

Direct Known Subclasses:

AngleMeasurement, LinearDistanceMeasurement, MapMeasurement, PlanarSweepMeasurement, ProximityMeasurement, TrueStateMeasurement

public class Measurement

extends Object

The Measurement class is a generic class from which the fundamental location measurements types inherit. It provides a timestamp and sensor and object names.

Version:

$Revision: 1.4 $

Author:

Jeffrey Hightower

Nested Class Summary
static class	Measurement.TimestampComparator           This class provides a comparator ordered by the timestamps of measurements, for example, in order to sort a list of Measurment objects by their timestamps.

 

Field Summary
protected  String	m_objectName
protected  String	m_sensorName
protected  long	m_timestamp

 

Constructor Summary

Measurement()           Construct a Measurement with an empty string for the object and sensor names and a timestamp assigned by reading the system clock.

Measurement(String objectName, String sensorName)           Construct a Measurement with the given object and sensor names with the timestamp assigned by reading the system clock.

Measurement(Measurement meas)           Construct a Measurement as a copy of the given Measurement object.

 

Method Summary
Object	clone()           Perform a deep copy of this measurement.
boolean	equals(Object o)           Test for semantic equality with another measurement.
String	getObjectName()           Get the name of the physical object that this measurment was made of.
String	getSensorName()           Get the name of the sensor that took this Measurement.
long	getTimestamp()           Get the timestamp in milliseconds since epoch associated with this Measurement.
int	hashCode()           Overridden to maintain hash contract that equal objects return the same hash code.
void	setObjectName(String objectName)           Set the name of the physical object that this measurment was made of.
void	setSensorName(String sensorName)           Set the name of the sensor taking this Measurement.
void	setTimestamp(long timestamp)           Set the timestamp in milliseconds since epoch associated with this Measurement.
String	toString()           Return a string representation of this Measurement.

 

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

 

Field Detail

m_timestamp

protected long m_timestamp

m_objectName

protected String m_objectName

m_sensorName

protected String m_sensorName

Measurement

public Measurement()

Construct a Measurement with an empty string for the object and sensor names and a timestamp assigned by reading the system clock.

Measurement

public Measurement(String objectName,
                   String sensorName)

Construct a Measurement with the given object and sensor names with the timestamp assigned by reading the system clock.

Measurement

public Measurement(Measurement meas)

Construct a Measurement as a copy of the given Measurement object.

clone

public Object clone()

Perform a deep copy of this measurement.

Overrides:

clone in class Object

equals

public boolean equals(Object o)

Test for semantic equality with another measurement.

Overrides:

equals in class Object

Returns:

true if the object name, sensor name, and timestamp of both both Measurements are the same.

hashCode

public int hashCode()

Overridden to maintain hash contract that equal objects return the same hash code.

Overrides:

hashCode in class Object

toString

public String toString()

Return a string representation of this Measurement.

Overrides:

toString in class Object

getTimestamp

public long getTimestamp()

Get the timestamp in milliseconds since epoch associated with this Measurement.

setTimestamp

public void setTimestamp(long timestamp)

Set the timestamp in milliseconds since epoch associated with this Measurement.

getObjectName

public String getObjectName()

Get the name of the physical object that this measurment was made of.

setObjectName

public void setObjectName(String objectName)

Set the name of the physical object that this measurment was made of.

getSensorName

public String getSensorName()

Get the name of the sensor that took this Measurement.

setSensorName

public void setSensorName(String sensorName)

Set the name of the sensor taking this Measurement.