/// <summary>
/// Factory function that creates and initializes the checkpointer
/// </summary>
/// <param name="options"></param>
/// <param name="streamProviderName"></param>
/// <param name="partition"></param>
/// <param name="serviceId"></param>
/// <param name="loggerFactory"></param>
/// <returns></returns>
public static async Task <IStreamQueueCheckpointer <string> > Create(AzureTableStreamCheckpointerOptions options, string streamProviderName, string partition, string serviceId, ILoggerFactory loggerFactory)
{
var checkpointer = new EventHubCheckpointer(options, streamProviderName, partition, serviceId, loggerFactory);
await checkpointer.Initialize();
return(checkpointer);
}
private EventHubCheckpointer(AzureTableStreamCheckpointerOptions options, string streamProviderName, string partition, string serviceId, ILoggerFactory loggerFactory)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrWhiteSpace(streamProviderName))
{
throw new ArgumentNullException(nameof(streamProviderName));
}
if (string.IsNullOrWhiteSpace(partition))
{
throw new ArgumentNullException(nameof(partition));
}
this.logger = loggerFactory.CreateLogger <EventHubCheckpointer>();
this.logger.LogInformation(
"Creating EventHub checkpointer for partition {Partition} of stream provider {StreamProviderName} with serviceId {ServiceId}.",
partition,
streamProviderName,
serviceId);
persistInterval = options.PersistInterval;
dataManager = new AzureTableDataManager <EventHubPartitionCheckpointEntity>(
options,
loggerFactory.CreateLogger <EventHubPartitionCheckpointEntity>());
entity = EventHubPartitionCheckpointEntity.Create(streamProviderName, serviceId, partition);
}
public EventHubCheckpointerFactory(string providerName, AzureTableStreamCheckpointerOptions options, IOptions <ClusterOptions> clusterOptions, ILoggerFactory loggerFactory)
{
this.options = options;
this.clusterOptions = clusterOptions.Value;
this.loggerFactory = loggerFactory;
this.providerName = providerName;
}
private EventHubCheckpointer(AzureTableStreamCheckpointerOptions options, string streamProviderName, string partition, ILoggerFactory loggerFactory)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrWhiteSpace(streamProviderName))
{
throw new ArgumentNullException(nameof(streamProviderName));
}
if (string.IsNullOrWhiteSpace(partition))
{
throw new ArgumentNullException(nameof(partition));
}
persistInterval = options.PersistInterval;
dataManager = new AzureTableDataManager <EventHubPartitionCheckpointEntity>(options.TableName, options.ConnectionString, loggerFactory);
entity = EventHubPartitionCheckpointEntity.Create(streamProviderName, options.Namespace, partition);
}
