private async Task <object> TryExecuteBatchGetAsync(TranslationResult translationResult, Type entityType)
{
var batchGet = translationResult.GetBatchGetOperationForTable(this.TableDefinition);
if (batchGet == null)
{
return(null);
}
// if a projection is specified - then getting only the required list of fields
if (translationResult.AttributesToGet != null)
{
batchGet.AttributesToGet = translationResult.AttributesToGet;
}
translationResult.CustomizationHooks.ConfigureBatchGetOperationCallback?.Invoke(batchGet);
// using async method, because it's the only available in .Net Core version
await batchGet.ExecuteAsync()
.ConfigureAwait(false); // This is important, as this method can be called synchronously from outside. Without this line it will hang in ASP.Net.
this.Log("DynamoDb batch get: {0}", translationResult);
return(this.CreateDocArrayReader(batchGet.Results, entityType, translationResult.ProjectionFunc));
}
private bool TryExecuteBatchGet(TranslationResult translationResult, Type entityType, out object resultingReader)
{
resultingReader = null;
var batchGet = translationResult.GetBatchGetOperationForTable(this.TableDefinition);
if (batchGet == null)
{
return(false);
}
// if a projection is specified - then getting only the required list of fields
if (translationResult.AttributesToGet != null)
{
batchGet.AttributesToGet = translationResult.AttributesToGet;
}
batchGet.Execute();
this.Log("DynamoDb batch get: " + translationResult);
resultingReader = this.CreateDocArrayReader(batchGet.Results, entityType, translationResult.ProjectionFunc);
return(true);
}