public static IEnumerable Take <T>(this ITimeBudget budget,
IEnumerable <T> ts,
ICollection <T> results,
int steps,
Predicate <T> where
)
{
return(budget.Take(ts, results, steps, where, d => d));
}
private IEnumerable ProduceNew(IConsumer <TData> consumer, List <TData> buffer, ITimeBudget budget)
{
int n = Driver.BatchSize;
var newSteps = budget.Take(Driver.EnumerateNew(), buffer, n,
Driver.FilterNew, Driver.MakeData
);
foreach (var s in PostProcess(newSteps, consumer, buffer))
{
yield return(s);
}
}
private IEnumerable ConsumeCache(IConsumer <TData> consumer, List <TData> buffer, ITimeBudget budget)
{
if (_cachedResults == null)
{
_cachedResults = new List <TData>();
if (_parent != null)
{
int n = Driver.BatchSize;
var steps = budget.Take(_parent._cachedResults, buffer, n, Driver.FilterCached);
foreach (var s in PostProcess(steps, consumer, buffer))
{
yield return(s);
}
}
}
else
{
consumer.Consume(_cachedResults);
}
}