Package velox.api.layer1

Class Layer1ApiBasicListenable

java.lang.Object

velox.api.layer1.Layer1ApiBasicListenable

All Implemented Interfaces:

Layer1ApiAdminListenable, Layer1ApiDataListenable, Layer1ApiInstrumentListenable, Layer1ApiMboDataListenable, Layer1ApiTradingListenable, LayerApiListenable

Direct Known Subclasses:

Layer1ApiUpstreamRelay

public class Layer1ApiBasicListenable
extends Object
implements LayerApiListenable

Field Summary

Fields

Modifier and Type	Field	Description
protected final List<Layer1ApiAdminListener>	adminListeners	List of listers for admin events.
protected final List<Layer1ApiDataListener>	dataListeners	List of listers for data events.
protected final List<Layer1ApiInstrumentListener>	instrumentListeners	List of listers for instrument events.
protected final List<Layer1ApiMboDataListener>	mboDataListeners	List of listers for mbo events.
protected Layer1ApiAdminListener	theOnlyAdminListener	Set if adminListeners only contains single element.
protected Layer1ApiDataListener	theOnlyDataListener	Set if dataListeners only contains single element.
protected Layer1ApiInstrumentListener	theOnlyInstrumentListener	Set if instrumentListeners only contains single element.
protected Layer1ApiMboDataListener	theOnlyMboDataListener	Set if mboDataListeners only contains single element.
protected Layer1ApiTradingListener	theOnlyTradingListener	Set if tradingListeners only contains single element.
protected final List<Layer1ApiTradingListener>	tradingListeners	List of listers for trading events.

Constructor Summary

Constructors

Constructor	Description
Layer1ApiBasicListenable()

Method Summary

Modifier and Type	Method	Description
void	addListener(Layer1ApiAdminListener listener)	Add listener for general events
void	addListener(Layer1ApiDataListener listener)	Add data listener
void	addListener(Layer1ApiInstrumentListener listener)	Add instrument events listener
void	addListener(Layer1ApiMboDataListener listener)	Add mbo data listener
void	addListener(Layer1ApiTradingListener listener)	Add trading listener
Layer1ApiAdminListener	getAdminListenerBroadcaster()
Layer1ApiDataListener	getDataListenerBroadcaster()
Layer1ApiInstrumentListener	getInstrumentListenerBroadcaster()
Layer1ApiTradingListener	getTradingListenerBroadcaster()
int	getUniqueListenersCount()	Function for getting number of unique listeners.
protected void	onNoSubscribers()	Called when no subscribers left.
void	removeListener(Layer1ApiAdminListener listener)	Remove listener for general events
void	removeListener(Layer1ApiDataListener listener)	Remove data listener
void	removeListener(Layer1ApiInstrumentListener listener)	Remove instrument events listener
void	removeListener(Layer1ApiMboDataListener listener)	Remove mbo data listener
void	removeListener(Layer1ApiTradingListener listener)	Remove trading listener

Methods inherited from class java.lang.Object

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

Field Details

instrumentListeners

protected final List<Layer1ApiInstrumentListener> instrumentListeners

List of listers for instrument events. Direct modification not recommended, use addListener(Layer1ApiInstrumentListener)/ removeListener(Layer1ApiInstrumentListener) instead

dataListeners

protected final List<Layer1ApiDataListener> dataListeners

List of listers for data events. Direct modification not recommended, use addListener(Layer1ApiDataListener)/ removeListener(Layer1ApiDataListener) instead

mboDataListeners

protected final List<Layer1ApiMboDataListener> mboDataListeners

List of listers for mbo events. Direct modification not recommended, use addListener(Layer1ApiMboDataListener)/ removeListener(Layer1ApiMboDataListener) instead

tradingListeners

protected final List<Layer1ApiTradingListener> tradingListeners

List of listers for trading events. Direct modification not recommended, use addListener(Layer1ApiTradingListener)/ removeListener(Layer1ApiTradingListener) instead

adminListeners

protected final List<Layer1ApiAdminListener> adminListeners

List of listers for admin events. Direct modification not recommended, use addListener(Layer1ApiAdminListener)/ removeListener(Layer1ApiAdminListener) instead

theOnlyInstrumentListener

protected Layer1ApiInstrumentListener theOnlyInstrumentListener

Set if instrumentListeners only contains single element. Allows for faster event routing.

theOnlyDataListener

protected Layer1ApiDataListener theOnlyDataListener

Set if dataListeners only contains single element. Allows for faster event routing.

theOnlyMboDataListener

protected Layer1ApiMboDataListener theOnlyMboDataListener

Set if mboDataListeners only contains single element. Allows for faster event routing.

theOnlyTradingListener

protected Layer1ApiTradingListener theOnlyTradingListener

Set if tradingListeners only contains single element. Allows for faster event routing.

theOnlyAdminListener

protected Layer1ApiAdminListener theOnlyAdminListener

Set if adminListeners only contains single element. Allows for faster event routing.

Constructor Details

Layer1ApiBasicListenable

public Layer1ApiBasicListenable()

Method Details

onNoSubscribers

protected void onNoSubscribers()

Called when no subscribers left. Can be overridden to perform cleanup, etc.

addListener

public void addListener(Layer1ApiInstrumentListener listener)

Description copied from interface: Layer1ApiInstrumentListenable

Add instrument events listener

Specified by:

addListener in interface Layer1ApiInstrumentListenable

Parameters:

listener - listener to add

removeListener

public void removeListener(Layer1ApiInstrumentListener listener)

Description copied from interface: Layer1ApiInstrumentListenable

Remove instrument events listener

Specified by:

removeListener in interface Layer1ApiInstrumentListenable

Parameters:

listener - listener to remove

addListener

public void addListener(Layer1ApiDataListener listener)

Description copied from interface: Layer1ApiDataListenable

Add data listener

Specified by:

addListener in interface Layer1ApiDataListenable

Parameters:

listener - listener to add

removeListener

public void removeListener(Layer1ApiDataListener listener)

Description copied from interface: Layer1ApiDataListenable

Remove data listener

Specified by:

removeListener in interface Layer1ApiDataListenable

Parameters:

listener - listener to remove

addListener

public void addListener(Layer1ApiMboDataListener listener)

Description copied from interface: Layer1ApiMboDataListenable

Add mbo data listener

Specified by:

addListener in interface Layer1ApiMboDataListenable

Parameters:

listener - listener to add

removeListener

public void removeListener(Layer1ApiMboDataListener listener)

Description copied from interface: Layer1ApiMboDataListenable

Remove mbo data listener

Specified by:

removeListener in interface Layer1ApiMboDataListenable

Parameters:

listener - listener to remove

addListener

public void addListener(Layer1ApiTradingListener listener)

Description copied from interface: Layer1ApiTradingListenable

Add trading listener

Specified by:

addListener in interface Layer1ApiTradingListenable

Parameters:

listener - listener to add

removeListener

public void removeListener(Layer1ApiTradingListener listener)

Description copied from interface: Layer1ApiTradingListenable

Remove trading listener

Specified by:

removeListener in interface Layer1ApiTradingListenable

Parameters:

listener - listener to remove

addListener

public void addListener(Layer1ApiAdminListener listener)

Description copied from interface: Layer1ApiAdminListenable

Add listener for general events

Specified by:

addListener in interface Layer1ApiAdminListenable

Parameters:

listener - listener to add

removeListener

public void removeListener(Layer1ApiAdminListener listener)

Description copied from interface: Layer1ApiAdminListenable

Remove listener for general events

Specified by:

removeListener in interface Layer1ApiAdminListenable

Parameters:

listener - listener to remove

getUniqueListenersCount

public int getUniqueListenersCount()

Function for getting number of unique listeners. SLOW! Make it faster if necessary. PROBABLY UNRELIABLE! Sometime may not return the exact result (synchronization issues).

Returns:

number of unique listeners

getAdminListenerBroadcaster

public Layer1ApiAdminListener getAdminListenerBroadcaster()

getInstrumentListenerBroadcaster

public Layer1ApiInstrumentListener getInstrumentListenerBroadcaster()

getTradingListenerBroadcaster

public Layer1ApiTradingListener getTradingListenerBroadcaster()

getDataListenerBroadcaster

public Layer1ApiDataListener getDataListenerBroadcaster()