public OutgoingRequest MergeWith(OutgoingRequest other)
{
return(new OutgoingRequest()
{
Content = Merger <TodoList, Guid>
.GroupByIdAndMerge(Content.Concat(other.Content), (x) => x.Id, TodoList.Merge)
});
}
public RequestBuilder(
Func <T, OutgoingRequest> getRequest,
Action <T, OutgoingRequest> setRequest,
int maxTodoListsPerRequest
)
{
RequestBeingBuilt = new OutgoingRequest();
_getRequest = getRequest;
_setRequest = setRequest;
_maxTodoListsPerRequest = maxTodoListsPerRequest;
}
public void OnNext(T @event, long sequence, bool isEndOfBatch)
{
var newRequest = _getRequest(@event);
if (isEndOfBatch)
{
_setRequest(@event, RequestBeingBuilt.MergeWith(newRequest));
RequestBeingBuilt = new OutgoingRequest();
}
else if (newRequest.Content.Count() + RequestBeingBuilt.Content.Count() > _maxTodoListsPerRequest)
{
_setRequest(@event, RequestBeingBuilt);
RequestBeingBuilt = newRequest;
}
else
{
RequestBeingBuilt = RequestBeingBuilt.MergeWith(newRequest);
}
}
private void LogRequest(string prefix, OutgoingRequest request)
{
var idsAndVersions = String.Join(",\n", request.Content.Select(list => " " + list.Id + " Version: " + list.Version));
_resultLog.Add(prefix + ":\n" + idsAndVersions);
}