public async Task InitializeAsync()
{
if (_container == null)
{
string partitionKey = $"/{_props.PartitionKey?.Name ?? "partkey"}";
_container = await _database.CreateContainerIfNotExistsAsync(_name, partitionKey);
}
}
private async Task InitAsync()
{
if (CosmosClient == null || Database == null || Containers == null || Containers.Count == 0)
{
CosmosClient = new CosmosClient(Endpoint, PrimaryKey);
Database = await CosmosClient.CreateDatabaseIfNotExistsAsync(DatabaseId);
foreach (KeyValuePair <string, string> entry in ContainerData)
{
Container c = await Database.CreateContainerIfNotExistsAsync(new ContainerProperties(entry.Key, entry.Value));
Containers.Add(entry.Key, c);
}
}
}
public static async void GenerateData(
string key,
string dbName,
string endpoint,
string containerName,
string partitionKey,
int documentsCount,
int batchSize)
{
var options = new CosmosClientOptions()
{
AllowBulkExecution = true
};
var cosmosClient = new CosmosClient(endpoint, key, options);
Microsoft.Azure.Cosmos.Database database = await cosmosClient.CreateDatabaseIfNotExistsAsync(dbName);
Container idContainer = await database.CreateContainerIfNotExistsAsync(containerName, partitionKey);
var invoices = GenerateInvoices();
List <Task> concurrentTasks = new List <Task>();
for (int i = 0; i < documentsCount / batchSize; i++)
{
List <Task> indexedTasks = new List <Task>();
foreach (var invoice in invoices.Take(batchSize))
{
indexedTasks.Add(idContainer.CreateItemAsync(invoice));
}
Console.WriteLine($"Starting insertion of {batchSize} documents into {containerName} in {dbName}");
await Task.WhenAll(indexedTasks);
Console.WriteLine($"Completed insertion of {batchSize} documents into {containerName} in {dbName}");
}
}
public async Task CreateCollectionIfNotExistsAsync(string endPointUri, string secretKey, string databaseName, string collectionName, int throughput, string partitionKey)
{
Microsoft.Azure.Cosmos.Database db = await destinationCollectionClient.CreateDatabaseIfNotExistsAsync(databaseName);
containerToStoreDocuments = await db.CreateContainerIfNotExistsAsync(collectionName, "/" + partitionKey);
}
public async Task Setup_CosmosResources()
{
// Create resources for Scenario 0 - setup
Console.BackgroundColor = ConsoleColor.Blue;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Running setup...\n");
Console.ResetColor();
// Create database for partitioning demo. We set the RU/s high to simulate having a large workload with many partitions, to demo the impact of cross-partition queries on larger datasets. If you do not wish to demo Scenario 2, replace the throughput with the minimum of 400 RU/s.
var partitionDemoDatabaseName = "PartitioningDemo";
Microsoft.Azure.Cosmos.Database partitioningDemoDB = await cosmosClient.CreateDatabaseIfNotExistsAsync(id : partitionDemoDatabaseName, throughput : 40000);
Console.WriteLine("\tCreated database {0}", partitioningDemoDB.Id);
// Create 2 containers with different partition keys for Scenarios
UserReviewsV1Container = await partitioningDemoDB.CreateContainerIfNotExistsAsync(id : "UserReviews_v1", partitionKeyPath : "/id");
Console.WriteLine("\tCreated container {0} with partition key 'id'", UserReviewsV1Container.Id);
UserReviewsV2Container = await partitioningDemoDB.CreateContainerIfNotExistsAsync(id : "UserReviews_v2", partitionKeyPath : "/username");
Console.WriteLine("\tCreated container {0} with partition key 'username'", UserReviewsV2Container.Id);
// Create database Indexing policy demo
var indexingDemoDatabaseName = "IndexingDemo";
Microsoft.Azure.Cosmos.Database indexingDemoDB = await cosmosClient.CreateDatabaseIfNotExistsAsync(id : indexingDemoDatabaseName, throughput : 400);
// Create containers for Indexing policy demo
var defaultIndexingPolicyContatinerName = "DefaultIndexingPolicy";
var tunedIndexingPolicyContainerName = "TunedIndexingPolicy";
ContainerResponse defaultIndexingPolicyContainer = await indexingDemoDB.DefineContainer(name : defaultIndexingPolicyContatinerName, partitionKeyPath : "/partitionKey")
.CreateIfNotExistsAsync();
Console.WriteLine("\tCreated container {0} with default indexing policy", defaultIndexingPolicyContainer.Resource.Id);
ContainerResponse tunedIndexingPolicyContainer = await indexingDemoDB.DefineContainer(name : tunedIndexingPolicyContainerName, partitionKeyPath : "/partitionKey")
// Define indexing policy with included and excluded paths
.WithIndexingPolicy()
.WithIncludedPaths()
.Path("/username/*")
.Path("/productName/*")
.Path("/verifiedPurchase/*")
.Attach()
.WithExcludedPaths()
.Path("/*")
.Attach()
.Attach()
.CreateIfNotExistsAsync();
Console.WriteLine("\tCreated container {0} with tuned indexing policy", tunedIndexingPolicyContainer.Resource.Id);
// Import data into the containers
Console.BackgroundColor = ConsoleColor.Blue;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("\nStarting data import: this will take a few minutes...");
Console.ResetColor();
using (WebClient wc = new WebClient())
{
var json = wc.DownloadString("https://cosmosnotebooksdata.blob.core.windows.net/notebookdata/ProductReviewsData.json");
List <dynamic> userProductReviews = JsonConvert.DeserializeObject <List <dynamic> >(json);
Console.WriteLine("\tFinished downloading data from 'https://cosmosnotebooksdata.blob.core.windows.net/notebookdata/ProductReviewsData.json'");
Console.WriteLine("\tWriting data into Cosmos containers...");
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
// Enable bulk execution mode for faster import
cosmosClient.ClientOptions.AllowBulkExecution = true;
List <Task <int> > tasks = new List <Task <int> >();
for (var i = 0; i < userProductReviews.Count; i++)
{
var documentType = userProductReviews[i].documentType;
if (documentType == "user")
{
User user = JsonConvert.DeserializeObject <User>(userProductReviews[i].ToString());
tasks.Add(InsertUserItemsAsync(user));
}
else if (documentType == "review")
{
ProductReview productReview = JsonConvert.DeserializeObject <ProductReview>(userProductReviews[i].ToString());
tasks.Add(InsertProductReviewItemsAsync(productReview));
}
}
await Task.WhenAll(tasks);
stopWatch.Stop();
TimeSpan ts = stopWatch.Elapsed;
//Print results
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts.Hours, ts.Minutes, ts.Seconds,
ts.Milliseconds / 10);
Console.WriteLine("\tImport of {0} items into {1} and {2} containers completed. Total time: {3}", tasks.Sum(task => task.Result) / 2, UserReviewsV1Container.Id, UserReviewsV2Container.Id, elapsedTime);
}
// Scale down the database to the minimum RU/s.
var currentThroughput = await partitioningDemoDB.ReadThroughputAsync(requestOptions : new RequestOptions());
int minThroughput = (int)currentThroughput.MinThroughput;
var throughputResponse = await partitioningDemoDB.ReplaceThroughputAsync(minThroughput);
Console.WriteLine("\tScaled PartitioningDemo database down to minimum {0} RU/s", throughputResponse.Resource.Throughput);
// Reset bulk execution mode to false for rest of demo
cosmosClient.ClientOptions.AllowBulkExecution = false;
}