FlashSaleService.java

package stormapplied.flashsale.services;

import java.util.List;
import java.util.ArrayList;
import java.util.Date;

import stormapplied.flashsale.domain.Sale;

class FlashSaleService{
  private final LatencySimulator latency = new LatencySimulator(50, 50, 100, 200, 5);
  
  public Sale lookupSale(String saleId, int timeoutInMillis) {
    latency.simulate(timeoutInMillis);

    return new Sale(buildProductName(saleId), new Date());
  }

  private String buildProductName(String saleId) {
    return "product-" + saleId;
  }
}