private async Task <BatchResult> PutBatch(IEnumerable <T> entities, BatchResult result)
{
#region Preconditions
if (entities == null)
{
throw new ArgumentNullException(nameof(entities));
}
#endregion
// Up to 25 items put or delete operations, with the request size not exceeding 1 MB.
var putRequests = entities
.Select(e => (ItemRequest) new PutRequest(AttributeCollection.FromObject(e, metadata)))
.ToList();
var tableBatch = new TableRequests(tableName, putRequests);
await BatchWriteItem(tableBatch, result).ConfigureAwait(false);
result.BatchCount++;
return(result);
}
// Conditional put
public Task <PutItemResult> PutAsync(T entity, params Expression[] conditions)
{
var request = new PutItemRequest(tableName, AttributeCollection.FromObject(entity, metadata));
if (conditions != null)
{
request.SetConditions(conditions);
}
return(client.PutItemWithRetryPolicy(request, retryPolicy));
}
public Task <PutItemResult> PutAsync(T entity)
{
var request = new PutItemRequest(tableName, AttributeCollection.FromObject(entity, metadata));
return(client.PutItemWithRetryPolicy(request, retryPolicy));
}