public Task AddResultAsync(IGetSingleBasket <Types.PairSelection> basket, IVisit visit)
{
var date = basket?.DescentPayload?.Filter?.Terms?.FirstOrDefault(
t => t.PropertyName == nameof(Types.PairSelection.Date))?.Value as DateTime?;
if (date == null)
{
throw new ArgumentException($"Expected filter on '{nameof(Types.PairSelection.Date)}'");
}
// only consider males which haven't mated in the past 3 months
var maleFilter = new Filter <Types.Frog>(new[]
{
new FilterTerm(nameof(Types.Frog.IsMale), FilterOperators.Equal, true),
new FilterTerm(nameof(Types.Frog.DateLastMated), FilterOperators.LessThan, date.Value.AddMonths(-3))
});
// ... and the same for females
var femaleFilter = new Filter <Types.Frog>(new[]
{
new FilterTerm(nameof(Types.Frog.IsMale), FilterOperators.Equal, false),
new FilterTerm(nameof(Types.Frog.DateLastMated), FilterOperators.LessThan, date.Value.AddMonths(-3))
});
// Try and find a suitable pair.
// In a real application you would most likely have a single efficient DB query. Here I just want to
// demonstrate operating across different mines.
// Note that the main basket is pased into these "child" baskets. This is optional however doing this allows
// for the baskets to be linked together when exporting tracing information (see FileTraceExporter)
var getMaleBasket =
new GetCollectionBasket <Types.Frog>(new GetCollectionRequest <Types.Frog>(maleFilter, 1, 0), basket);
var getMaleTask = _frogMine.SendAsync(getMaleBasket);
var getFemaleBasket =
new GetCollectionBasket <Types.Frog>(new GetCollectionRequest <Types.Frog>(femaleFilter, 1, 0), basket);
var getFemaleTask = _frogMine.SendAsync(getFemaleBasket);
Task.WaitAll(getMaleTask, getFemaleTask);
Types.Frog male = null;
if (getMaleBasket.AscentPayload.Length > 0)
{
male = getMaleBasket.AscentPayload[0];
}
Types.Frog female = null;
if (getFemaleBasket.AscentPayload.Length > 0)
{
female = getFemaleBasket.AscentPayload[0];
}
basket.AscentPayload = new Types.PairSelection(male, female, date.Value);
return(Task.CompletedTask);
}
private IPostBasket <Types.Tadpole, int>[] GenerateTadpoles(IBasket parent,
Types.Frog mother, Types.Frog father, DateTime date)
{
var tadpoleCount = 10;
var tasks = new Task[tadpoleCount];
var baskets = new IPostBasket <Types.Tadpole, int> [tadpoleCount];
// generate 10 tadpoles for the mother and father
var surname = $"{father.Id}-{mother.Id}";
var eventNo = 1;
// this is just something to ensure the child has a unique name - it's not important to understand
if (FamilyEventsEvents.ContainsKey(surname))
{
eventNo = FamilyEventsEvents[surname] + 1;
}
for (var i = 0; i < tadpoleCount; i++)
{
var tadpole = new Types.Tadpole
{
DateOfBirth = date.AddDays(i),
MotherId = mother.Id,
FatherId = father.Id,
LivesInPondId = mother.LivesInPondId,
IsMale = i % 2 == 0,
Name = (i % 2 == 0 ? "M" : "F") + $"{i}:{eventNo}:{surname}"
};
var postBasket = new PostBasket <Types.Tadpole, int>(tadpole, parent);
tasks[i] = _tadpoleMine.SendAsync(postBasket);
baskets[i] = postBasket;
}
FamilyEventsEvents[surname] = eventNo;
Task.WaitAll(tasks);
return(baskets);
}