public class ThreadedObserver extends java.lang.Object implements PamObserver
There is a bit of jiggledy piggledy to get the data history times right since they may need to be extended slightly to allow for data that are not yet used.
Constructor and Description |
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ThreadedObserver(PamObservable pamObservable,
PamObserver singleThreadObserver) |
Modifier and Type | Method and Description |
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int |
getInterThreadListSize() |
java.lang.String |
getObserverName() |
PamObserver |
getObserverObject() |
long |
getRequiredDataHistory(PamObservable o,
java.lang.Object arg) |
PamObserver |
getSingleThreadObserver() |
boolean |
isEmptyRead() |
void |
masterClockUpdate(long milliSeconds,
long sampleNumber) |
void |
noteNewSettings() |
void |
removeObservable(PamObservable o)
called when an Observable (PamDataBlock) is removed from the system
|
void |
setSampleRate(float sampleRate,
boolean notify)
New sample rate
|
void |
update(PamObservable o,
PamDataUnit arg)
Informs the PamObserver that new data have been added to the Observable
class
|
public ThreadedObserver(PamObservable pamObservable, PamObserver singleThreadObserver)
public PamObserver getObserverObject()
getObserverObject
in interface PamObserver
public PamObserver getSingleThreadObserver()
public java.lang.String getObserverName()
getObserverName
in interface PamObserver
public long getRequiredDataHistory(PamObservable o, java.lang.Object arg)
getRequiredDataHistory
in interface PamObserver
o
- PamObservable class requiring the dataarg
- optional argument from PamObservablepublic int getInterThreadListSize()
public void noteNewSettings()
noteNewSettings
in interface PamObserver
public void removeObservable(PamObservable o)
PamObserver
removeObservable
in interface PamObserver
public void setSampleRate(float sampleRate, boolean notify)
PamObserver
setSampleRate
in interface PamObserver
notify
- Notify other PamObservers and PamObservables in the chain.public void masterClockUpdate(long milliSeconds, long sampleNumber)
masterClockUpdate
in interface PamObserver
public void update(PamObservable o, PamDataUnit arg)
PamObserver
update
in interface PamObserver
o
- Reference to the Observable (a PamDataBlock)arg
- Reference to the new PamDataUnitpublic boolean isEmptyRead()