public PartitionProcessorFactory(
IChangeFeedDocumentClient documentClient,
ChangeFeedProcessorOptions changeFeedProcessorOptions,
ILeaseCheckpointer leaseCheckpointer,
string collectionSelfLink)
{
if (documentClient == null)
{
throw new ArgumentNullException(nameof(documentClient));
}
if (changeFeedProcessorOptions == null)
{
throw new ArgumentNullException(nameof(changeFeedProcessorOptions));
}
if (leaseCheckpointer == null)
{
throw new ArgumentNullException(nameof(leaseCheckpointer));
}
if (collectionSelfLink == null)
{
throw new ArgumentNullException(nameof(collectionSelfLink));
}
this.documentClient = documentClient;
this.changeFeedProcessorOptions = changeFeedProcessorOptions;
this.leaseCheckpointer = leaseCheckpointer;
this.collectionSelfLink = collectionSelfLink;
}
public PartitionSupervisorFactory(
IChangeFeedObserverFactory observerFactory,
ILeaseManager leaseManager,
ILeaseCheckpointer leaseCheckpointer,
ICheckpointPartitionProcessorFactory partitionProcessorFactory,
ChangeFeedProcessorOptions options)
{
if (observerFactory == null)
{
throw new ArgumentNullException(nameof(observerFactory));
}
if (leaseManager == null)
{
throw new ArgumentNullException(nameof(leaseManager));
}
if (leaseCheckpointer == null)
{
throw new ArgumentNullException(nameof(leaseCheckpointer));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (partitionProcessorFactory == null)
{
throw new ArgumentNullException(nameof(partitionProcessorFactory));
}
this.observerFactory = observerFactory;
this.leaseManager = leaseManager;
this.leaseCheckpointer = leaseCheckpointer;
this.changeFeedProcessorOptions = options;
this.partitionProcessorFactory = partitionProcessorFactory;
}
public IPartitionProcessor Create(ILease lease, ILeaseCheckpointer leaseCheckpointer, IChangeFeedObserver observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
if (lease == null)
{
throw new ArgumentNullException(nameof(lease));
}
if (leaseCheckpointer == null)
{
throw new ArgumentNullException(nameof(leaseCheckpointer));
}
var settings = new ProcessorSettings
{
CollectionSelfLink = this.collectionSelfLink,
StartContinuation = !string.IsNullOrEmpty(lease.ContinuationToken) ?
lease.ContinuationToken :
this.changeFeedProcessorOptions.StartContinuation,
PartitionKeyRangeId = lease.PartitionId,
FeedPollDelay = this.changeFeedProcessorOptions.FeedPollDelay,
MaxItemCount = this.changeFeedProcessorOptions.MaxItemCount,
StartFromBeginning = this.changeFeedProcessorOptions.StartFromBeginning,
StartTime = this.changeFeedProcessorOptions.StartTime,
SessionToken = this.changeFeedProcessorOptions.SessionToken,
};
var checkpointer = new PartitionCheckpointer(leaseCheckpointer, lease);
var changeFeedOptions = new ChangeFeedOptions
{
MaxItemCount = settings.MaxItemCount,
PartitionKeyRangeId = settings.PartitionKeyRangeId,
SessionToken = settings.SessionToken,
StartFromBeginning = settings.StartFromBeginning,
RequestContinuation = settings.StartContinuation,
StartTime = settings.StartTime,
};
var changeFeedQuery = this.documentClient.CreateDocumentChangeFeedQuery(settings.CollectionSelfLink, changeFeedOptions);
changeFeedQuery = new ChangeFeedQueryTimeoutDecorator(changeFeedQuery, this.healthMonitor, this.changeFeedProcessorOptions.ChangeFeedTimeout, lease);
return(new PartitionProcessor(observer, changeFeedQuery, changeFeedOptions, settings, checkpointer));
}
public PartitionCheckpointer(ILeaseCheckpointer leaseCheckpointer, ILease lease)
{
this.leaseCheckpointer = leaseCheckpointer;
this.lease = lease;
}
public IPartitionProcessor Create(ILease lease, ILeaseCheckpointer leaseCheckpointer, IChangeFeedObserver observer)
{
return(this.partitionProcessorFactory.Create(lease, observer));
}
