public static async Task RunOrchestrator(
[OrchestrationTrigger] DurableOrchestrationContext context)
{
var populationAndSettings = context.GetInput <PopulationAndSettings>();
var population = populationAndSettings.Population;
var tasks = new Task <double> [population.Individuals.Count];
for (int i = 0; i < population.Individuals.Count; i++)
{
tasks[i] = context.CallActivityAsync <double>("EvaluatePopulation", population);
}
await Task.WhenAll(tasks);
var evaluationResults = tasks.Select(e => e.Result).ToList();
BestIndividual bestIndividual = await context.CallActivityAsync <BestIndividual>("GetBestIndividual", population, evaluationResults);
populationAndSettings.GenerationId = await context.CallActivityAsync <int>("SaveBestResult", bestIndividual,
populationAndSettings.InstanceId, populationAndSettings.GenerationId);
population = await context.CallActivityAsync <Population>("Selection", population, evaluationResults);
population = await context.CallActivityAsync <Population>("Crossover", population);
populationAndSettings.Population = await context.CallActivityAsync <Population>("Mutation", population);
context.ContinueAsNew(populationAndSettings);
}
public static int SaveBestResult([ActivityTrigger] BestIndividual individual, string instanceId, int generationId, TraceWriter log)
{
return(generationId++);
}