001package org.consensusj.exchange; 002 003import javax.money.convert.ExchangeRateProvider; 004 005/** 006 * ExchangeRateProvider extension that allows an observer to be notified of exchange rate updates 007 */ 008@Deprecated 009public interface ObservableExchangeRateProvider extends ExchangeRateProvider { 010 void registerExchangeRateObserver(CurrencyUnitPair pair, ExchangeRateObserver observer); 011 void start(); 012 void stop(); 013}