public virtual async Task <TEntity?> Retrieve <TEntity>(string partitionKey, string rowKey)
where TEntity : class, ITableEntity, new()
{
Guard.NullOrWhiteSpace(nameof(partitionKey), partitionKey);
Guard.NullOrWhiteSpace(nameof(rowKey), rowKey);
await this.ExistenceTester.EnsureExists(this.Table).ConfigureAwait(false);
TableOperation retrieve = TableOperation.Retrieve <TEntity>(partitionKey, rowKey);
TableResult result = await this.Table.ExecuteAsync(retrieve, this.Options,
operationContext : null).ConfigureAwait(false);
if (result.HttpStatusCode == 404)
{
return(null);
}
result.EnsureSuccessStatusCode();
return((TEntity)result.Result);
}