public T ContentAs <T>()
{
EnsureNotDisposed();
//basic GET or other non-projection operation
if (OpCode == OpCode.Get || OpCode == OpCode.ReplicaRead || OpCode == OpCode.GetL || OpCode == OpCode.GAT)
{
_logger.LogDebug("using the {transcoder} Transcoder.", _transcoder.GetType());
return(_transcoder.Decode <T>(_contentBytes.Memory, Flags, OpCode));
}
//oh mai, its a projection
ParseSpecs();
// normal GET
if (_specs.Count == 1 && _projectList?.Count == 0)
{
var spec = _specs[0];
return(_transcoder.Decode <T>(spec.Bytes, Flags, OpCode.Get));
}
var root = new JObject();
foreach (var spec in _specs)
{
//skip the expiry if it was included; it must fetched from this.Expiry
if (spec.Path == VirtualXttrs.DocExpiryTime)
{
continue;
}
var content = _serializer.Deserialize <JToken>(spec.Bytes);
if (spec.OpCode == OpCode.Get)
{
//a full doc is returned if the projection count exceeds the server limit
//so we remove any non-requested fields from the content returned.
if (_projectList?.Count > 16)
{
foreach (var child in content.Children())
{
if (_projectList.Contains(child.Path))
{
root.Add(child);
}
}
//root projection for empty path
return(root.ToObject <T>());
}
}
var projection = CreateProjection(spec.Path, content);
try
{
root.Add(projection.First);
}
catch (Exception e)
{
//these are cases where a root attribute is already mapped
//for example "attributes" and "attributes.hair" will cause exceptions
_logger.LogInformation(e, "Deserialization failed.");
}
}
if (root.Path == string.Empty && typeof(T).IsPrimitive)
{
return(root.First.ToObject <T>());
}
return(root.ToObject <T>());
}
