public SubstitutionsMonitor(IEnumerable <ISubstitutionProvider> providers, ISubstitutionProvider initialSubstitutionProvider = null)
{
Substitutions initialSubstitutions = null;
if (initialSubstitutionProvider != null)
{
var task = initialSubstitutionProvider.GetSubstitutionsAsync();
task.Wait();
initialSubstitutions = task.Result;
}
foreach (var provider in providers)
{
provider.OnSubstitutionsUpdated += async(Substitutions substitutions) =>
{
await Task.WhenAll(providers
.Where(p => p != provider)
.Select(p => p.UpdateSubstitutionsAsync(substitutions)));
};
if (initialSubstitutions != null && !initialSubstitutionProvider.Equals(provider))
{
provider.UpdateSubstitutionsAsync(initialSubstitutions).Wait();
}
}
}
public override async Task <double> Evaluate(ISubstitutionProvider substitutionProvider)
{
var result = Variables.Select(x => x.Value).Sum();
Parallel.ForEach(Children, async(x) =>
{
var evaluation = await x.Evaluate(substitutionProvider);
result += evaluation;
});
return(result);
}
public override async Task <double> Evaluate(ISubstitutionProvider substitutionProvider)
{
var result = Variables.Aggregate((x, y) => x - y);
Parallel.ForEach(Children, async(x) =>
{
var evaluation = await x.Evaluate(substitutionProvider);
result -= evaluation;
});
return(result);
}
public App(string configFile)
{
var configText = File.ReadAllText(configFile);
var config = JsonSerializer.Deserialize <Config>(configText, new JsonSerializerOptions
{
PropertyNameCaseInsensitive = false,
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
ISubstitutionProvider main = null;
var providers = config.Providers
.Select((providerConfig) =>
{
ISubstitutionProvider provider = null;
if (providerConfig.Type == "json")
{
provider = new FileSubstitutionsProvider(providerConfig.Path, new JsonFileLoader());
}
if (providerConfig.Type == "mac")
{
provider = new FileSubstitutionsProvider(providerConfig.Path, new MacFileLoader());
}
if (providerConfig.IsPrimarySource)
{
main = provider;
}
if (provider == null)
{
Console.Error.WriteLine($"Provider {providerConfig.Type} unknown, skipping");
}
return(provider);
})
.Where(provider => provider != null)
.ToList();
Console.WriteLine($"{providers.Count()} providers");
var monitor = new SubstitutionsMonitor(providers, main);
}
public async Task <double> Evaluate(ISubstitutionProvider substitutionProvider) => System.Math.Pow(await Operation.Evaluate(substitutionProvider), Power);
public abstract Task <double> Evaluate(ISubstitutionProvider substitutionProvider);
