public override FeedProcessor Create(DocumentServiceLease lease, ChangeFeedObserver <T> observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
if (lease == null)
{
throw new ArgumentNullException(nameof(lease));
}
ProcessorOptions options = new ProcessorOptions
{
StartContinuation = !string.IsNullOrEmpty(lease.ContinuationToken) ?
lease.ContinuationToken :
this.changeFeedProcessorOptions.StartContinuation,
LeaseToken = lease.CurrentLeaseToken,
FeedPollDelay = this.changeFeedProcessorOptions.FeedPollDelay,
MaxItemCount = this.changeFeedProcessorOptions.MaxItemCount,
StartFromBeginning = this.changeFeedProcessorOptions.StartFromBeginning,
StartTime = this.changeFeedProcessorOptions.StartTime,
SessionToken = this.changeFeedProcessorOptions.SessionToken,
};
PartitionCheckpointerCore checkpointer = new PartitionCheckpointerCore(this.leaseCheckpointer, lease);
ChangeFeedPartitionKeyResultSetIteratorCore iterator = ChangeFeedPartitionKeyResultSetIteratorCore.Create(
lease: lease,
continuationToken: options.StartContinuation,
maxItemCount: options.MaxItemCount,
container: this.container,
startTime: options.StartTime,
startFromBeginning: options.StartFromBeginning);
return(new FeedProcessorCore <T>(observer, iterator, options, checkpointer, this.serializerCore));
}
public override FeedProcessor Create(DocumentServiceLease lease, ChangeFeedObserver <T> observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
if (lease == null)
{
throw new ArgumentNullException(nameof(lease));
}
var settings = new ProcessorSettings
{
StartContinuation = !string.IsNullOrEmpty(lease.ContinuationToken) ?
lease.ContinuationToken :
this.changeFeedProcessorOptions.StartContinuation,
LeaseToken = lease.CurrentLeaseToken,
FeedPollDelay = this.changeFeedProcessorOptions.FeedPollDelay,
MaxItemCount = this.changeFeedProcessorOptions.MaxItemCount,
StartFromBeginning = this.changeFeedProcessorOptions.StartFromBeginning,
StartTime = this.changeFeedProcessorOptions.StartTime,
SessionToken = this.changeFeedProcessorOptions.SessionToken,
};
var checkpointer = new PartitionCheckpointerCore(this.leaseCheckpointer, lease);
return(new FeedProcessorCore <T>(observer, this.container, settings, checkpointer));
}
public FeedProcessorCore(
ChangeFeedObserver observer,
FeedIterator resultSetIterator,
ProcessorOptions options,
PartitionCheckpointer checkpointer)
{
this.observer = observer ?? throw new ArgumentNullException(nameof(observer));
this.options = options ?? throw new ArgumentNullException(nameof(options));
this.checkpointer = checkpointer ?? throw new ArgumentNullException(nameof(checkpointer));
this.resultSetIterator = resultSetIterator ?? throw new ArgumentNullException(nameof(resultSetIterator));
}
public FeedProcessorCore(
ChangeFeedObserver <T> observer,
FeedIterator resultSetIterator,
ProcessorOptions options,
PartitionCheckpointer checkpointer,
CosmosSerializer cosmosJsonSerializer)
{
this.observer = observer;
this.options = options;
this.checkpointer = checkpointer;
this.resultSetIterator = resultSetIterator;
this.cosmosJsonSerializer = cosmosJsonSerializer;
}
public AutoCheckpointer(CheckpointFrequency checkpointFrequency, ChangeFeedObserver <T> observer)
{
if (checkpointFrequency == null)
{
throw new ArgumentNullException(nameof(checkpointFrequency));
}
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
this.checkpointFrequency = checkpointFrequency;
this.observer = observer;
}
public FeedProcessorCore(ChangeFeedObserver <T> observer, CosmosContainer container, ProcessorSettings settings, PartitionCheckpointer checkpointer)
{
this.observer = observer;
this.settings = settings;
this.checkpointer = checkpointer;
this.options = new ChangeFeedOptions
{
MaxItemCount = settings.MaxItemCount,
PartitionKeyRangeId = settings.LeaseToken,
SessionToken = settings.SessionToken,
StartFromBeginning = settings.StartFromBeginning,
RequestContinuation = settings.StartContinuation,
StartTime = settings.StartTime,
};
this.query = container.Client.DocumentClient.CreateDocumentChangeFeedQuery(container.LinkUri.ToString(), this.options);
}
public ObserverExceptionWrappingChangeFeedObserverDecorator(ChangeFeedObserver <T> changeFeedObserver)
{
this.changeFeedObserver = changeFeedObserver;
}
/// <summary> /// Creates an instance of a <see cref="FeedProcessor"/>. /// </summary> /// <param name="lease">Lease to be used for feed processing</param> /// <param name="observer">Observer to be used</param> /// <returns>An instance of a <see cref="FeedProcessor"/>.</returns> public abstract FeedProcessor Create(DocumentServiceLease lease, ChangeFeedObserver <T> observer);