private async Task SetInvoiceNumberInDictionaryAsync(IReliableStateManagerReplica stateManager, string yearKey, uint invoiceNumber)
{
var invoiceNumbersDictionary = await stateManager.GetOrAddAsync <IReliableDictionary <string, uint> >(InvoicesService.InvoiceNumbersDictionaryKeyName);
using (var tx = stateManager.CreateTransaction())
{
await invoiceNumbersDictionary.AddAsync(tx, yearKey, invoiceNumber);
await tx.CommitAsync();
}
}
private async Task <uint?> GetInvoiceNumberInDictionaryAsync(IReliableStateManagerReplica stateManager, string yearKey)
{
var invoiceNumbersDictionary = await stateManager.GetOrAddAsync <IReliableDictionary <string, uint> >(InvoicesService.InvoiceNumbersDictionaryKeyName);
uint newInvoiceNumber = 0;
using (var tx = stateManager.CreateTransaction())
{
var value = await invoiceNumbersDictionary.TryGetValueAsync(tx, yearKey);
if (!value.HasValue)
{
return(null);
}
newInvoiceNumber = value.Value;
}
return(newInvoiceNumber);
}