private static ChangeFeedProcessorBuilder CreateBuilder <T>(DocumentClient client) where T : DocumentBase
{
var builder = new ChangeFeedProcessorBuilder();
var uri = new Uri(CosmosUrl);
var dbClient = new ChangeFeedDocumentClient(client);
builder
.WithHostName(HostName)
.WithFeedCollection(new DocumentCollectionInfo
{
DatabaseName = typeof(T).Name,
CollectionName = "Items",
Uri = uri,
MasterKey = CosmosKey
})
.WithLeaseCollection(new DocumentCollectionInfo
{
DatabaseName = typeof(T).Name,
CollectionName = "Leases",
Uri = uri,
MasterKey = CosmosKey
})
.WithProcessorOptions(new ChangeFeedProcessorOptions
{
FeedPollDelay = TimeSpan.FromSeconds(15),
})
.WithFeedDocumentClient(dbClient)
.WithLeaseDocumentClient(dbClient)
.WithObserver <DocumentFeedObserver <T> >();
return(builder);
}
private static async Task <IRemainingWorkEstimator> CreateEstimatorAsync(string uri, string key, string collection)
{
IChangeFeedDocumentClient dbClient = new ChangeFeedDocumentClient(new DocumentClient(new Uri(uri), key));
var builder = new ChangeFeedProcessorBuilder()
.WithHostName("console_app_host")
.WithFeedCollection(new DocumentCollectionInfo()
{
Uri = new Uri(uri),
MasterKey = key,
CollectionName = collection,
DatabaseName = DbName
})
.WithLeaseCollection(new DocumentCollectionInfo()
{
CollectionName = $"{collection}.Lease.ConsoleApp",
DatabaseName = DbName,
Uri = new Uri(uri),
MasterKey = key
})
.WithFeedDocumentClient(dbClient)
.WithLeaseDocumentClient(dbClient);
return(await builder.BuildEstimatorAsync());
}
private static async Task <IChangeFeedProcessor> RunChangeFeedProcessorAsync(string uri, string key, string collection)
{
IChangeFeedDocumentClient dbClient = new ChangeFeedDocumentClient(new DocumentClient(new Uri(uri), key));
dbClient = new QoSMeteringChangeFeedDocumentClient(dbClient, new QoSMeteringReporter());
var builder = new ChangeFeedProcessorBuilder()
.WithObserver <ConsoleObserver>()
.WithHostName("console_app_host")
.WithFeedCollection(new DocumentCollectionInfo()
{
Uri = new Uri(uri),
MasterKey = key,
CollectionName = collection,
DatabaseName = DbName
})
.WithLeaseCollection(new DocumentCollectionInfo()
{
CollectionName = $"{collection}.Lease.ConsoleApp",
DatabaseName = DbName,
Uri = new Uri(uri),
MasterKey = key
})
.WithFeedDocumentClient(dbClient)
.WithLeaseDocumentClient(dbClient);
var processor = await builder.BuildAsync();
var estimator = await builder.BuildEstimatorAsync();
await processor.StartAsync().ConfigureAwait(false);
return(processor);
}
private static async Task <IChangeFeedProcessor> RunChangeFeedProcessorAsync(string uri, string key, string collection)
{
IChangeFeedDocumentClient dbClient = new ChangeFeedDocumentClient(new DocumentClient(new Uri(uri), key));
var builder = new ChangeFeedProcessorBuilder()
.WithProcessorOptions(new ChangeFeedProcessorOptions()
{
CheckpointFrequency = new CheckpointFrequency()
{
ExplicitCheckpoint = true
}
})
.WithObserverFactory(new ConsoleObserverFactory(TimeSpan.FromSeconds(10)))
.WithHostName("console_app_host")
.WithFeedCollection(new DocumentCollectionInfo()
{
Uri = new Uri(uri),
MasterKey = key,
CollectionName = collection,
DatabaseName = DbName
})
.WithLeaseCollection(new DocumentCollectionInfo()
{
CollectionName = $"{collection}.Lease.ConsoleApp",
DatabaseName = DbName,
Uri = new Uri(uri),
MasterKey = key
})
.WithFeedDocumentClient(dbClient)
.WithLeaseDocumentClient(dbClient);
var processor = await builder.BuildAsync();
await processor.StartAsync().ConfigureAwait(false);
return(processor);
}