Package velox.api.layer1

Interface Layer1ApiInstrumentProvider

All Superinterfaces:

Layer1ApiInstrumentListenable

All Known Subinterfaces:

Layer1ApiProvider

All Known Implementing Classes:

ExternalLiveBaseProvider, ExternalReaderBaseProvider, Layer1ApiDepthFreezer, Layer1ApiInjectorRelay, Layer1ApiRelay, Layer1ApiStrategiesEchoMessagesLayer

@DefaultQualifier(org.checkerframework.checker.nullness.qual.NonNull.class)
public interface Layer1ApiInstrumentProvider
extends Layer1ApiInstrumentListenable

Class implementing this should provide ability to work with instruments

Method Summary

Modifier and Type	Method	Description
default void	subscribe(String symbol, @Nullable String exchange, String type)	Deprecated.
void	subscribe(SubscribeInfo subscribeInfo)	Subscribe to specified instrument.
void	unsubscribe(String alias)	Unsubscribe from the instrument

Methods inherited from interface velox.api.layer1.Layer1ApiInstrumentListenable

addListener, removeListener

Method Details

subscribe

void subscribe(SubscribeInfo subscribeInfo)

Subscribe to specified instrument. Some parameters can be null depending on the platform.

Parameters:

subscribeInfo - has fields similar to InstrumentCoreInfo

subscribe

@Deprecated
default void subscribe(String symbol,
 @Nullable String exchange,
 String type)

Deprecated.

Deprecated. Default implementation forwards events to new method. Use subscribe(SubscribeInfo) instead

Subscribe to specified instrument. Some parameters can be null depending on the platform.

Parameters:

symbol -

exchange -

type - see InstrumentCoreInfo.type

unsubscribe

void unsubscribe(String alias)

Unsubscribe from the instrument

Parameters:

alias - instrument alias