private static async Task <CurrentPageIndexTableEntity> Create(CloudTable table, CancellationToken token)
{
var entity = new CurrentPageIndexTableEntity
{
PartitionKey = "Indexes",
RowKey = "CurrentPageIndex",
Index = 0
};
var operation = TableOperation.Insert(entity);
try
{
var result = await table.ExecuteAsync(operation, token);
return((CurrentPageIndexTableEntity)result.Result);
}
catch (StorageException e)
{
if (e.RequestInformation.HttpStatusCode != (int)HttpStatusCode.Conflict)
{
throw;
}
return(null);
}
}
public async Task TryUpdate(CurrentPageIndexTableEntity entity, CancellationToken token)
{
var table = await _table.GetOrCreate();
var operation = TableOperation.Replace(entity);
try
{
await table.ExecuteAsync(operation, token);
}
catch (StorageException e)
{
if (e.RequestInformation.HttpStatusCode != (int)HttpStatusCode.PreconditionFailed)
{
throw;
}
}
}