public async Task LoadEntitiesAsync(List <Entity> entities)
{
var batches = Batch(entities);
var metrics = new DynamoDbMetrics("Batch Load", OperationType.Load);
var batchMetrics = new ConcurrentBag <DynamoDbMetrics>();
await metrics.HandleAsync(Load(batchMetrics, batches));
metrics.Records = entities.Count;
metrics.WriteCapacityUnits = batchMetrics.Sum(s => s.WriteCapacityUnits);
metrics.Write();
}
async Task Load(ConcurrentBag <DynamoDbMetrics> batchMetrics, List <BatchWriteItemRequest> batches)
{
foreach (var batch in batches)
{
var batchMetric = new DynamoDbMetrics("Load", OperationType.Load);
var response = await batchMetric.HandleAsync(client.BatchWriteItemAsync(batch));
if (response.UnprocessedItems.Any() || response.HttpStatusCode != HttpStatusCode.OK ||
response.ItemCollectionMetrics.Any() || response.ResponseMetadata.Metadata.Any())
{
batchMetric.Error += JsonConvert.SerializeObject(response) + Environment.NewLine;
}
batchMetric.WriteCapacityUnits = response.ConsumedCapacity.Capacity;
batchMetrics.Add(batchMetric);
}
}
public async Task GetEntityDetails(Guid entityId)
{
var request = new GetItemRequest
{
TableName = tableName,
ReturnConsumedCapacity = "TOTAL",
Key = new Dictionary <string, AttributeValue>
{
[nameof(Entity.EntityId)] = new AttributeValue(entityId.ToString()),
}
};
var metrics = new DynamoDbMetrics("Get Entity", OperationType.Get);
var response = await metrics.HandleAsync(client.GetItemAsync(request));
metrics.ReadCapacityUnits = response.ConsumedCapacity.ReadCapacityUnits;
metrics.WriteCapacityUnits = response.ConsumedCapacity.WriteCapacityUnits;
}