Logging

Class LogDataObserver

java.lang.Object

Logging.LogDataObserver

All Implemented Interfaces:

PamObserver

public class LogDataObserver
extends java.lang.Object
implements PamObserver

Constructor Summary

Constructors

Constructor and Description
LogDataObserver()

Method Summary

Methods

Modifier and Type	Method and Description
void	closeLogFile()
java.util.ArrayList<PamDataBlock>	getDataBlocks()
java.lang.String	getObserverName()
PamObserver	getObserverObject()
long	getRequiredDataHistory(PamObservable o, java.lang.Object arg)
boolean	isLogFileOpened()
boolean	isLoggingActive()
void	masterClockUpdate(long milliSeconds, long sampleNumber)
void	noteNewSettings()
void	openLogFile()
void	removeObservable(PamObservable o) called when an Observable (PamDataBlock) is removed from the system
void	setLoggingActive(boolean loggingActive)
void	setSampleRate(float sampleRate, boolean notify) New sample rate
void	startLogging()
void	stopLogData()
void	update(PamObservable o, PamDataUnit arg) Informs the PamObserver that new data have been added to the Observable class

Methods inherited from class java.lang.Object

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

Constructor Detail

LogDataObserver

public LogDataObserver()

Method Detail

getObserverObject

public PamObserver getObserverObject()

Specified by:

getObserverObject in interface PamObserver

Returns:

the actual observer. In most cases concrete classes will just return 'this' in response. The exception is the Threaded observer, which will return the single thread observer.

openLogFile

public void openLogFile()

startLogging

public void startLogging()

stopLogData

public void stopLogData()

closeLogFile

public void closeLogFile()

update

public void update(PamObservable o,
          PamDataUnit arg)

Description copied from interface: PamObserver

Informs the PamObserver that new data have been added to the Observable class

Specified by:

update in interface PamObserver

Parameters:

o - Reference to the Observable (a PamDataBlock)

arg - Reference to the new PamDataUnit

noteNewSettings

public void noteNewSettings()

Specified by:

noteNewSettings in interface PamObserver

setSampleRate

public void setSampleRate(float sampleRate,
                 boolean notify)

Description copied from interface: PamObserver

New sample rate

Specified by:

setSampleRate in interface PamObserver

notify - Notify other PamObservers and PamObservables in the chain.

masterClockUpdate

public void masterClockUpdate(long milliSeconds,
                     long sampleNumber)

Specified by:

masterClockUpdate in interface PamObserver

getRequiredDataHistory

public long getRequiredDataHistory(PamObservable o,
                          java.lang.Object arg)

Specified by:

getRequiredDataHistory in interface PamObserver

Parameters:

o - PamObservable class requiring the data

arg - optional argument from PamObservable

Returns:

time in milliseconds requried by data held in PamObservable

getObserverName

public java.lang.String getObserverName()

Specified by:

getObserverName in interface PamObserver

getDataBlocks

public java.util.ArrayList<PamDataBlock> getDataBlocks()

isLoggingActive

public boolean isLoggingActive()

setLoggingActive

public void setLoggingActive(boolean loggingActive)

isLogFileOpened

public boolean isLogFileOpened()

removeObservable

public void removeObservable(PamObservable o)

Description copied from interface: PamObserver

called when an Observable (PamDataBlock) is removed from the system

Specified by:

removeObservable in interface PamObserver