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Layer1ApiInstrumentProvider

source_file: Layer1ApiInstrumentProvider.html package: velox.api.layer1 classes: Layer1ApiInstrumentProvider methods: subscribe, subscribe, unsubscribe extends: ** Layer1ApiInstrumentListenable​

Layer1ApiInstrumentProvider

Package: velox.api.layer1

Type: Interface

All Superinterfaces: Layer1ApiInstrumentListenable

All Known Subinterfaces: Layer1ApiProvider

All Known Implementing Classes:

  • velox.api.layer0.live.ExternalLiveBaseProvider
  • velox.api.layer0.replay.ExternalReaderBaseProvider
  • velox.api.layer1.layers.Layer1ApiDepthFreezer
  • velox.api.layer1.layers.Layer1ApiInjectorRelay
  • velox.api.layer1.layers.Layer1ApiRelay
  • velox.api.layer1.layers.Layer1ApiStrategiesEchoMessagesLayer

Description​

Class implementing this should provide ability to work with instruments.

Methods​

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. 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

Inherited Methods​

From Layer1ApiInstrumentListenable:

  • addListener(Layer1ApiInstrumentListener)
  • removeListener(Layer1ApiInstrumentListener)