public async Task StartAsync()
{
this.shutdownSource = new CancellationTokenSource();
this.shutdownTask = this.WaitForShutdownAsync();
try
{
this.host.logger.LogDebug("PartitionInstance {eventHubName}/{eventHubPartition}({incarnation}) is starting partition", this.host.eventHubPath, this.partitionId, this.Incarnation);
// start this partition (which may include waiting for the lease to become available)
this.partition = this.host.host.AddPartition(this.partitionId, this.host.sender);
var errorHandler = this.host.host.CreateErrorHandler(this.partitionId);
var nextPacketToReceive = await this.partition.CreateOrRestoreAsync(errorHandler, this.host.parameters.StartPositions[Convert.ToInt32(this.partitionId)]).ConfigureAwait(false);
this.host.logger.LogInformation("PartitionInstance {eventHubName}/{eventHubPartition}({incarnation}) started partition, next expected packet is #{nextSeqno}", this.host.eventHubPath, this.partitionId, this.Incarnation, nextPacketToReceive);
this.partitionEventLoop = Task.Run(() => this.PartitionEventLoop(nextPacketToReceive));
}
catch (Exception e) when(!Utils.IsFatal(e))
{
this.host.logger.LogError("PartitionInstance {eventHubName}/{eventHubPartition}({incarnation}) failed to start partition: {exception}", this.host.eventHubPath, this.partitionId, this.Incarnation, e);
throw;
}
}
public MemoryPartitionQueue(TransportAbstraction.IPartition partition, CancellationToken cancellationToken, ILogger logger)
: base(cancellationToken, $"Part{partition.PartitionId:D2}", logger)
{
this.partition = partition;
}
