public virtual Task <TableQuerySegment <TElement> > ExecuteQuerySegmentedAsync <TElement>(TableQuery <TElement> query, TableContinuationToken token, TableRequestOptions requestOptions, OperationContext operationContext, CancellationToken cancellationToken) where TElement : ITableEntity, new()
{
CommonUtility.AssertNotNull("query", query);
if (query.Provider != null)
{
return(query.ExecuteSegmentedAsync(token, requestOptions, operationContext, cancellationToken));
}
return(query.ExecuteQuerySegmentedInternalAsync(token, ServiceClient, this, requestOptions, operationContext, cancellationToken));
}
public static async IAsyncEnumerable <U> MapSegmentAsync <T, U>(this TableQuery <T> query, Func <IList <T>, U> func)
{
TableContinuationToken token = null;
do
{
var segment = await query.ExecuteSegmentedAsync(token);
if (segment.Results.Count > 0)
{
yield return(func(segment.Results));
}
token = segment.ContinuationToken;
} while (token != null);
}
public static async Task ForEachSegmentAsync <T>(this TableQuery <T> query, Action <IList <T> > action)
{
TableContinuationToken token = null;
do
{
var segment = await query.ExecuteSegmentedAsync(token);
if (segment.Results.Count > 0)
{
action(segment.Results);
}
token = segment.ContinuationToken;
} while (token != null);
}
public static async Task <U> AggregateSegmentAsync <T, U>(this TableQuery <T> query, U seed,
Func <IEnumerable <T>, U> selector, Func <U, U, U> aggregator)
{
TableContinuationToken token = null;
do
{
var segment = await query.ExecuteSegmentedAsync(token);
if (segment.Results.Count > 0)
{
var newList = selector(segment.Results);
seed = aggregator(seed, newList);
}
token = segment.ContinuationToken;
} while (token != null);
return(seed);
}
