/// <summary>
///
/// </summary>
/// <returns></returns>
public bool SeedItems()
{
if (Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") == "Development")
{
AWSXRayRecorder.Instance.BeginSegment("dynamo db call");
}
try
{
var brBatch = _ddbContext.CreateBatchWrite <Break>();
brBatch.AddPutItems(DefaultData.GetDefaultBreaks());
var config = new DynamoDBOperationConfig();
var commBatch = _ddbContext.CreateBatchWrite <Commercial>(config);
commBatch.AddPutItems(DefaultData.GetDefaultCommercials());
var superBatch = new MultiTableBatchWrite(brBatch, commBatch);
var result = superBatch.ExecuteAsync().Status;
return(result != TaskStatus.Faulted && result != TaskStatus.Canceled);
}
catch (Exception)
{
if (Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") == "Development")
{
AWSXRayRecorder.Instance.EndSegment(DateTime.Now);
}
return(false);
}
}
private void processSeedData(ICollection <IDataProcessor> seedDataProcessors)
{
logMessage("Processing seed data", DbContextActionMessageType.Info);
bool isSuccess = false;
string msg = string.Empty;
try
{
var allBatch = seedDataProcessors.Select(sp => sp.GetBatchWrite(this)).ToArray();
var superBatch = new MultiTableBatchWrite(allBatch);
superBatch.ExecuteAsync().Wait();
isSuccess = true;
msg = "Seed data processed sucessfully";
}
catch (Exception ex)
{
isSuccess = false;
msg = ex.Message;
}
logMessage(
isSuccess ? msg : $"Seed data processing error: {msg}",
isSuccess ? DbContextActionMessageType.Info : DbContextActionMessageType.Error
);
}
public new async Task CreateAsync(Subscription subscription)
{
var EventAggregateBatch = DynamoDBContext.CreateBatchWrite <EventAggregate>();
var SubscriptionBatch = DynamoDBContext.CreateBatchWrite <Model.Subscription>();
subscription.Events.ForEach(e =>
{
EventAggregateBatch.AddPutItem(
new EventAggregate
{
SubscriptionId = subscription.Id,
ApplicationId = subscription.ApplicationId,
EventName = e.EventName
}
);
});
SubscriptionBatch.AddPutItem(subscription);
MultiTableBatchWrite batch = DynamoDBContext.CreateMultiTableBatchWrite(EventAggregateBatch, SubscriptionBatch);
await batch.ExecuteAsync();
}
private static void MultiTableBatchWrite(DynamoDBContext context)
{
// 1. New Forum item.
Forum newForum = new Forum
{
Name = "Test BatchWrite Forum",
Threads = 0
};
var forumBatch = context.CreateBatchWrite <Forum>();
forumBatch.AddPutItem(newForum);
// 2. New Thread item.
Thread newThread = new Thread
{
ForumName = "S3 forum",
Subject = "My sample question",
KeywordTags = new List <string> {
"S3", "Bucket"
},
Message = "Message text"
};
DynamoDBOperationConfig config = new DynamoDBOperationConfig();
config.SkipVersionCheck = true;
var threadBatch = context.CreateBatchWrite <Thread>(config);
threadBatch.AddPutItem(newThread);
threadBatch.AddDeleteKey("some partition key value", "some sort key value");
var superBatch = new MultiTableBatchWrite(forumBatch, threadBatch);
Console.WriteLine("Performing batch write in MultiTableBatchWrite().");
superBatch.Execute();
}
