public async ValueTask <bool> MoveNextAsync()
{
try
{
using (CosmosQueryContext.ConcurrencyDetector.EnterCriticalSection())
{
if (!_hasExecuted)
{
if (!TryGetResourceId(out var resourceId))
{
throw new InvalidOperationException(CosmosStrings.ResourceIdMissing);
}
if (!TryGetPartitionId(out var partitionKey))
{
throw new InvalidOperationException(CosmosStrings.ParitionKeyMissing);
}
_item = await CosmosClient.ExecuteReadItemAsync(
ContainerId,
partitionKey,
resourceId,
_cancellationToken);
var hasNext = !(_item is null);
Current
= hasNext
? Shaper(CosmosQueryContext, _item)
: default;
_hasExecuted = true;
return(hasNext);
}
return(false);
}
}
catch (Exception exception)
{
Logger.QueryIterationFailed(ContextType, exception);
throw;
}
}
