public static IAsyncExecutor <TInput, TOutput> Create <TInput, TOutput>(
[NotNull] BatchPolicy batchPolicy,
Func <IEnumerable <TInput>, Task <IList <TOutput> > > batchedItemsMethod,
OutputToInputMatchFunction.Delegate <TInput, TOutput> ouputToInputMatchFunction)
{
return(new BatchExecutor <TInput, TOutput>(
batchPolicy,
batchedItemsMethod,
ouputToInputMatchFunction));
}
public BatchExecutor(
[NotNull] BatchPolicy batchPolicy,
Func <IEnumerable <TInput>, Task <IList <TOutput> > > batchedItemsMethod,
OutputToInputMatchFunction.Delegate <TInput, TOutput> ouputToInputMatchFunction)
: this(
batchPolicy,
null,
batchedItemsMethod,
ouputToInputMatchFunction)
{
}
public BatchExecutor(
[NotNull] BatchPolicy batchPolicy,
Func <TInput, Task <TOutput> > singleItemMethod,
// IList b/c OutputMatchFunction.OutputOrderMatchesInputOrder presumes we got it in order, and want the data type to specify that rather than implicit assumption
Func <IEnumerable <TInput>, Task <IList <TOutput> > > batchedItemsMethod,
OutputToInputMatchFunction.Delegate <TInput, TOutput> ouputToInputMatchFunction)
{
this._batchPolicy = batchPolicy;
this._singleItemMethod = singleItemMethod;
this._batchedItemsMethod = batchedItemsMethod;
this._ouputToInputMatchFunction = ouputToInputMatchFunction;
this.cts = new CancellationTokenSource();
this.incomingWork = new Subject <UnitOfWork>();
this.subscription = this.incomingWork
.Buffer(batchPolicy.MaxAge, batchPolicy.MaxBatchSize)
.Subscribe(this.ProcessBatch);
}