public override async Task <IQueryStream <TElement> > ExecuteQueryStreamedAsync <TElement>(TableQuery <TElement> query, TableRequestOptions requestOptions = null, OperationContext operationContext = null)
{
// Philosophically, maybe this proxy-making belongs on the host
// side, but that would require a second custom wrapper because we
// still need the custom wrapper on the caller side to do the
// different event types.
IQueryStream <TElement> remoteStream = await nonannotatableCallProxy.ExecuteQueryStreamedAsync(
query, requestOptions, operationContext);
return(new QueryStreamPSharpProxy <TElement>(
PSharpRealProxy.MakeTransparentProxy(callerMachineId, hostMachineId, remoteStream,
null, () => new TableNonannotatableCallEvent())));
}
public override async Task <IQueryStream <TElement> > ExecuteQueryStreamedAsync <TElement>(TableQuery <TElement> query, TableRequestOptions requestOptions = null, OperationContext operationContext = null)
{
//Trace.TraceInformation("{0} calling {1}.ExecuteQueryStreamedAsync({2})", callerMachineId, debugName, BetterComparer.ToString(query));
// Philosophically, maybe this proxy-making belongs on the host
// side, but that would require a second custom wrapper because we
// still need the custom wrapper on the caller side to do the
// different event types.
IQueryStream <TElement> remoteStream = await plainEventProxy.ExecuteQueryStreamedAsync(
query, requestOptions, operationContext);
return(new QueryStreamPSharpProxy <TElement>(
PSharpRealProxy.MakeTransparentProxy(callerMachineId, hostMachineId, remoteStream,
string.Format("<{0} QueryStream>", debugName), () => new GenericDispatchableEvent())));
}
Task WalkTableInParallel(IChainTable2 table, TableRequestOptions requestOptions, OperationContext operationContext,
Func <MTableEntity, Task <IQueryStream <MTableEntity> > > rowCallbackAsync)
{
return(Task.WhenAll(Enumerable.Range(0, 16).Select(hexNumber => Task.Run(async() =>
{
var query = new TableQuery <MTableEntity>();
if (hexNumber == 0)
{
query.FilterString = TableQuery.GenerateFilterCondition(
"PartitionKey",
QueryComparisons.LessThanOrEqual,
(hexNumber + 1).ToString("x"));
}
else if (hexNumber == 15)
{
query.FilterString = TableQuery.GenerateFilterCondition(
"PartitionKey",
QueryComparisons.GreaterThanOrEqual,
hexNumber.ToString("x"));
}
else
{
query.FilterString = TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition(
"PartitionKey",
QueryComparisons.GreaterThanOrEqual,
hexNumber.ToString("x")),
TableOperators.And,
TableQuery.GenerateFilterCondition(
"PartitionKey",
QueryComparisons.LessThanOrEqual,
(hexNumber + 1).ToString("x")));
}
try
{
IQueryStream <MTableEntity> tableStream = await table.ExecuteQueryStreamedAsync(
query, requestOptions, operationContext);
MTableEntity entity;
while ((entity = await tableStream.ReadRowAsync()) != null)
{
IQueryStream <MTableEntity> newTableStream = await rowCallbackAsync(entity);
if (newTableStream != null)
{
tableStream = newTableStream;
}
}
}
catch (Exception e)
{
while (e is AggregateException)
{
e = ((AggregateException)(e)).InnerException;
}
if (!(e is StorageException && ((StorageException)e).RequestInformation.HttpStatusCode == 404))
{
throw;
}
}
}))));
}
