velox.api.layer1.providers.helper

Class InstrumentDataRequestRedirectHelper

java.lang.Object

velox.api.layer1.providers.helper.InstrumentDataRequestRedirectHelper

public class InstrumentDataRequestRedirectHelper
extends java.lang.Object

When creating synthetic instruments using Layer1UpstreamDataEditor bookmap will still try to query those instruments for certain things (like "which provider does it belong to?", "which order types are supported by that instrument").

This class provides helper methods to take care of that for you.

Constructor Summary

Constructors

Constructor and Description
InstrumentDataRequestRedirectHelper()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	redirectUserMessage(java.lang.Object data, java.util.function.Function<java.lang.Object,java.lang.Object> forwardFunction, java.util.function.Function<java.lang.String,java.lang.String> aliasMapper) Should be used inside Layer1ApiAdminProvider.sendUserMessage(Object), helps you to redirect requests

Methods inherited from class java.lang.Object

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

Constructor Detail

InstrumentDataRequestRedirectHelper

public InstrumentDataRequestRedirectHelper()

Method Detail

redirectUserMessage

public static java.lang.Object redirectUserMessage(java.lang.Object data,
                                                   java.util.function.Function<java.lang.Object,java.lang.Object> forwardFunction,
                                                   java.util.function.Function<java.lang.String,java.lang.String> aliasMapper)

Should be used inside Layer1ApiAdminProvider.sendUserMessage(Object), helps you to redirect requests

Parameters:

data - the original data object that you have received as part of request

forwardFunction - where to forward requests (usually to the lower layers, often will be something like super::sendUserMessage)

aliasMapper - your function that handles alias translation. If provided alias isn't created by your strategy - return null, otherwise provide some other alias to take that information from (e.g. if you are creating synthetic instruments that will often be one of underlying instruments)

Returns:

value that should be returned by Layer1ApiAdminProvider.sendUserMessage(Object)