public IEnumerable <Offer> GenerateOffers(Inventory inventory, PriceBeliefs priceBeliefs, double totalDemand)
{
var demand = this.GetDemand(priceBeliefs, totalDemand);
foreach (var pair in demand)
{
var(commodity, amount) = (pair.Key, pair.Value);
var current = inventory.Get(commodity);
yield return(new Offer(
OfferType.Buy,
commodity,
priceBeliefs.GetRandom(commodity),
Math.Max(0, amount - current)
));
}
}
public Dictionary <string, double> GetDemand(PriceBeliefs priceBeliefs, double totalDemand)
{
var list = this.GetFavorabilities(priceBeliefs)
.Select(pair => new
{
Commodity = pair.Key,
Demand = (this.threshold < pair.Value) ? pair.Value : 0
})
.ToList();
var ratio = 1 / list.Sum(x => x.Demand);
return(list.ToDictionary(
x => x.Commodity,
x => ratio * x.Demand
));
}
public void SCSP_Splits_Price()
{
var priceBeliefs = new PriceBeliefs();
priceBeliefs.Set(ALPHA, 1, 2);
priceBeliefs.Set(BRAVO, 1, 1);
var costBeliefs = new CostBeliefs(priceBeliefs);
costBeliefs.Begin();
costBeliefs.Consume(ALPHA, 10);
costBeliefs.Produce(BRAVO, 4);
var result = costBeliefs.End().ToDictionary(x => x.Commodity);
Assert.AreEqual(2.5, result[BRAVO].MinPrice);
Assert.AreEqual(5, result[BRAVO].MaxPrice);
}
public void MCSP_Splits_Price()
{
var priceBeliefs = new PriceBeliefs();
priceBeliefs.Set(ALPHA, 1, 2);
priceBeliefs.Set(BRAVO, 2, 3);
priceBeliefs.Set(CHARLIE, 1, 1);
var costBeliefs = new CostBeliefs(priceBeliefs);
costBeliefs.Begin();
costBeliefs.Consume(ALPHA, 10);
costBeliefs.Consume(BRAVO, 20);
costBeliefs.Produce(CHARLIE, 5);
var result = costBeliefs.End().ToDictionary(x => x.Commodity);
Assert.AreEqual(10, result[CHARLIE].MinPrice);
Assert.AreEqual(16, result[CHARLIE].MaxPrice);
}
private Dictionary <string, double> GetFavorabilities(PriceBeliefs priceBeliefs)
{
var list = this.weights
.Select(pair =>
{
var(commodity, weight) = (pair.Key, pair.Value);
var price = priceBeliefs.Get(commodity).Item2;
return(new
{
Commodity = commodity,
Value = weight / price
});
})
.ToList();
var totalValue = list.Sum(x => x.Value);
return(list.ToDictionary(
x => x.Commodity,
x => x.Value / totalValue
));
}
public void SCMP_Simple()
{
var priceBeliefs = new PriceBeliefs();
priceBeliefs.Set(ALPHA, 1, 2);
priceBeliefs.Set(BRAVO, 1, 1);
priceBeliefs.Set(CHARLIE, 1, 1);
var costBeliefs = new CostBeliefs(priceBeliefs);
costBeliefs.Begin();
costBeliefs.Consume(ALPHA, 10);
costBeliefs.Produce(BRAVO, 2);
costBeliefs.Produce(CHARLIE, 3);
var result = costBeliefs.End().ToDictionary(x => x.Commodity);
Assert.AreEqual(2, result[BRAVO].MinPrice);
Assert.AreEqual(4, result[BRAVO].MaxPrice);
Assert.AreEqual(2, result[CHARLIE].MinPrice);
Assert.AreEqual(4, result[CHARLIE].MaxPrice);
}
public void SCMP_Uses_PriceBeliefs_To_Balance_Price()
{
var priceBeliefs = new PriceBeliefs();
priceBeliefs.Set(ALPHA, 1, 4);
priceBeliefs.Set(BRAVO, 1, 6);
priceBeliefs.Set(CHARLIE, 2, 4);
var costBeliefs = new CostBeliefs(priceBeliefs);
costBeliefs.Begin();
costBeliefs.Consume(ALPHA, 8);
costBeliefs.Produce(BRAVO, 2);
costBeliefs.Produce(CHARLIE, 3);
var result = costBeliefs.End().ToDictionary(x => x.Commodity);
Assert.AreEqual(1, result[BRAVO].MinPrice);
Assert.AreEqual(8, result[BRAVO].MaxPrice);
Assert.AreEqual(2, result[CHARLIE].MinPrice);
Assert.AreEqual(5.33, result[CHARLIE].MaxPrice, 0.01);
}
public Agent()
{
this.Inventory = new Inventory();
this.PriceBeliefs = new PriceBeliefs();
}
