public async Task <GetItemResult> GetItemAsync(GetItemRequest request)
{
var httpRequest = Setup("GetItem", request.ToJson());
var json = await SendAndReadJsonElementAsync(httpRequest).ConfigureAwait(false);
return(GetItemResult.FromJsonElement(json));
}
/*
* public void DeleteTable()
* {
* throw new NotImplementedException();
* }
*
* public void DescribeTable()
* {
* throw new NotImplementedException();
* }
*/
public async Task <GetItemResult> GetItemAsync(GetItemRequest request)
{
var httpRequest = Setup("GetItem", request.ToJson());
var responseText = await SendAsync(httpRequest).ConfigureAwait(false);
var responseJson = JsonObject.Parse(responseText);
return(GetItemResult.FromJson(responseJson));
}
internal async Task <T?> FindAsync(GetItemRequest request)
{
var retryCount = 0;
Exception?lastException = null;
do
{
if (retryCount > 0)
{
await Task.Delay(retryPolicy.GetDelay(retryCount)).ConfigureAwait(false);
}
try
{
var result = await client.GetItemAsync(request).ConfigureAwait(false);
// TODO: NotFound Handling
if (result.Item is null)
{
return(null);
}
return(result.Item.As <T>(metadata));
}
catch (DynamoDbException ex) when(ex.IsTransient)
{
lastException = ex;
}
retryCount++;
}while (retryPolicy.ShouldRetry(retryCount));
var key = string.Join(",", request.Key.Select(k => k.Value));
var errorMessage = $"Unrecoverable exception getting '{key}' from '{tableName}'";
throw new Exception(errorMessage, lastException);
}