Exemplo n.º 1
0
        public async Task <IEnumerable <NamedPartitionInformation> > GetNamedPartitions(Uri serviceUri, IPartitionHelperLogger logger)
        {
            logger.EnumeratingPartitions(serviceUri);

            lock (_lock)
            {
                if (_namedPartitions.ContainsKey(serviceUri))
                {
                    var partitions = _namedPartitions[serviceUri];
                    logger.EnumeratedExistingPartitions(serviceUri, partitions);
                    return(partitions);
                }
            }

            try
            {
                var fabricClient         = new FabricClient();
                var servicePartitionList = await fabricClient.QueryManager.GetPartitionListAsync(serviceUri);

                IList <NamedPartitionInformation> partitionKeys = new List <NamedPartitionInformation>(servicePartitionList.Count);
                foreach (var partition in servicePartitionList)
                {
                    var partitionInfo = partition.PartitionInformation as NamedPartitionInformation;
                    if (partitionInfo == null)
                    {
                        throw new InvalidOperationException(
                                  $"The service {serviceUri} should have a Named partition. Instead: {partition.PartitionInformation.Kind}");
                    }
                    partitionKeys.Add(partitionInfo);
                }
                lock (_lock)
                {
                    if (!_namedPartitions.ContainsKey(serviceUri))
                    {
                        _namedPartitions.Add(serviceUri, partitionKeys.ToArray());
                    }
                }

                logger.EnumeratedAndCachedPartitions(serviceUri, partitionKeys);
                return(partitionKeys);
            }
            catch (Exception ex)
            {
                logger.FailedToEnumeratePartitions(serviceUri, ex);
                throw new PartitionEnumerationException(serviceUri, ex);
            }
        }
Exemplo n.º 2
0
        public async Task <IEnumerable <Int64RangePartitionInformation> > GetInt64Partitions(Uri serviceUri)
        {
            _logger.EnumeratingPartitions(serviceUri);

            if (_partitions.ContainsKey(serviceUri))
            {
                var partitions = _partitions[serviceUri];
                _logger.EnumeratedExistingPartitions(serviceUri, partitions);
            }

            try
            {
                var fabricClient         = new FabricClient();
                var servicePartitionList = await fabricClient.QueryManager.GetPartitionListAsync(serviceUri);

                // For each partition, build a service partition client used to resolve the low key served by the partition.
                IList <Int64RangePartitionInformation> partitionKeys = new List <Int64RangePartitionInformation>(servicePartitionList.Count);
                foreach (var partition in servicePartitionList)
                {
                    var partitionInfo = partition.PartitionInformation as Int64RangePartitionInformation;
                    if (partitionInfo == null)
                    {
                        throw new InvalidOperationException(
                                  $"The service {serviceUri} should have a uniform Int64 partition. Instead: {partition.PartitionInformation.Kind}");
                    }

                    partitionKeys.Add(partitionInfo);
                }
                _partitions.Add(serviceUri, partitionKeys);

                _logger.EnumeratedAndCachedPartitions(serviceUri, partitionKeys);
                return(partitionKeys);
            }
            catch (Exception ex)
            {
                _logger.FailedToEnumeratePartitions(serviceUri, ex);
                throw ex;
            }
        }