private void DeserializeAndApplyChangeValue(Change change, DeserializingContext context)
{
var path = change.Path.Split('/');
if (path[1].Length == 0)
{
RootChange(change, context);
return;
}
var handler = _rootHandler;
for (int q = 1; q < path.Length - 1; q++)
{
if (handler.TryGetValue(path[q], out var obj))
{
handler = ((IEntityHandlerProvider)obj).GetHandler();
}
else
{
change.Ignored = true;
DeserializeIgnoredValue(context, change, "Path not reachable");
Log.Warning($"Change '{change.Path}:{change.Type}' is ignored");
return;
}
}
change.Key = path[path.Length - 1];
handler.DeserializeAndApplyChangeValue(change, context);
change.Handler = handler;
}
private Change DeserializeAndApplyChange(DeserializingContext context)
{
var result = new Change();
while (context.Reader.Read() && context.Reader.TokenType != JsonToken.EndObject)
{
if (!(context.Reader.Value is string))
{
Log.Error($"Unexpected serialization '{context.Reader.Value?.GetType()}=context.Reader.Value'");
}
string property = (string)context.Reader.Value;
context.Reader.Read();
switch (property)
{
case "op":
result.Type = (ChangeType)Enum.Parse(typeof(ChangeType), (string)context.Reader.Value, true);
break;
case "path":
result.Path = (string)context.Reader.Value;
if (result.Type == ChangeType.Remove)
{
DeserializeAndApplyChangeValue(result, context);
}
break;
case "value":
DeserializeAndApplyChangeValue(result, context);
break;
}
}
return(result);
}
private void RootChange(Change change, DeserializingContext context)
{
_root = DeserializeAndApplyReplace(null, "", _root, _configurations[_rootHandler.ProxyType], change, context);
_rootHandler = ((IEntityHandlerProvider)_root).GetHandler();
RootChanged?.Invoke(this, EventArgs.Empty);
}
public List <Change> ApplyChanges(ModelClient sourceClient, string changesData)
{
lock (this)
{
var otherClients = _clients.Where(s => s != sourceClient).ToList();
List <Change> changes = new List <Change>();
using (var context = DeserializingContext.FromString(changesData, _serializer))
{
context.Reader.Read();
while (context.Reader.Read() && context.Reader.TokenType != JsonToken.EndArray)
{
var change = DeserializeAndApplyChange(context);
if (!change.Ignored) // ignored change due to unsync
{
Subscriptions.NotifyChange(sourceClient, change.Type, change.Handler, change.Key, change.Value);
if (change.OldValue != null)
{
DetachOldItem(sourceClient, change.OldValue);
}
if (change.Value != null)
{
AttachNewItem(sourceClient, change.Value);
}
otherClients.ForEach(client => AddChange(client, change.Type, change.Path, change.Handler, change.Key, change.Value));
changes.Add(change);
}
}
}
return(changes);
}
}
public object Deserialize(Type type, string str)
{
using (var context = DeserializingContext.FromString(str, _serializer))
{
context.Reader.Read();
return(DeserializeMemeberValue(_configurations[type], null, null, context));
}
}
public static DeserializingContext FromString(string content, JsonSerializer serializer)
{
var result = new DeserializingContext();
result._textReader = new StringReader(content);
result.Reader = new JsonTextReader(result._textReader);
result.Serializer = serializer;
return result;
}
public void Deserialize(DeserializingContext context)
{
while (context.Reader.Read() && context.Reader.TokenType != Newtonsoft.Json.JsonToken.EndObject)
{
string key = (string)context.Reader.Value;
context.Reader.Read();
var o = _manager.DeserializeMemeberValue(_typeConfig.ValueType, this, key, context);
_inner.Add(key, o);
}
}
public void DeserializeIgnoredValue(DeserializingContext context, Change change, string reason)
{
var res = context.Serializer.Deserialize(context.Reader);
if (change != null)
{
Log.Warning($"Deserializing ignored value {change.Path}={res} ({change.Type}), reason:{reason}");
}
else
{
Log.Warning($"Deserializing ignored value, reason:{reason}");
}
}
public void DeserializeAndApplyChangeValue(Change change, DeserializingContext context)
{
var property = change.Key;
if (_values.TryGetValue(property, out var value))
{
switch (change.Type)
{
case ChangeType.Add:
_manager.DeserializeIgnoredValue(context, change, "Unsync on add");
break;
case ChangeType.Remove:
_manager.DeserializeAndApplyRemove(value, change);
_values.Remove(property);
_propertyChangedHandler?.Invoke(Proxy, new PropertyChangedEventArgs(property));
break;
case ChangeType.Replace:
_values[property] = _manager.DeserializeAndApplyReplace(this, property, value, _typeConfig.Members[property].TypeConfiguration, change, context);
_propertyChangedHandler?.Invoke(Proxy, new PropertyChangedEventArgs(property));
break;
}
}
else
{
if (_typeConfig.Members.TryGetValue(property, out var memConfig))
{
if (change.Type == ChangeType.Add)
{
_values.Add(property, _manager.DeserializeAndApplyAdd(this, property, memConfig.TypeConfiguration, change, context));
_propertyChangedHandler?.Invoke(Proxy, new PropertyChangedEventArgs(property));
}
else
{
if (change.Type == ChangeType.Replace)
{
_manager.DeserializeIgnoredValue(context, change, "Unsync on replace");
}
}
}
else
{
if (change.Type != ChangeType.Remove)
{
_manager.DeserializeIgnoredValue(context, change, "Unknown property");
}
}
}
}
public void Deserialize(DeserializingContext context)
{
while (context.Reader.Read() && context.Reader.TokenType != Newtonsoft.Json.JsonToken.EndObject)
{
string property = (string)context.Reader.Value;
context.Reader.Read();
if (_typeConfig.Members.TryGetValue(property, out var memberConfig))
{
_values[property] = _manager.DeserializeMemeberValue(memberConfig.TypeConfiguration, this, property, context);
}
else
{
_manager.DeserializeIgnoredValue(context, null, $"Unsync on Deserialize '{property}'");
}
}
}
public void DeserializeAndApplyChangeValue(Change change, DeserializingContext context)
{
var property = change.Key;
if (_inner.TryGetValue(property, out var oldValue))
{
switch (change.Type)
{
case ChangeType.Add:
_manager.DeserializeIgnoredValue(context, change, "Unsync on dict add");
break;
case ChangeType.Remove:
_manager.DeserializeAndApplyRemove(oldValue, change);
InternalRemove(property, oldValue);
break;
case ChangeType.Replace:
InternalReplace(property, oldValue, _manager.DeserializeAndApplyReplace(this, property, oldValue, _typeConfig.ValueType, change, context));
break;
}
}
else
{
if (change.Type == ChangeType.Add)
{
InternalAdd(property, _manager.DeserializeAndApplyAdd(this, property, _typeConfig.ValueType, change, context));
}
else
{
if (change.Type == ChangeType.Replace)
{
_manager.DeserializeIgnoredValue(context, change, "Unsync on dict replace");
}
}
}
}
public object DeserializeAndApplyReplace(IEntityHandler parent, string key, object oldValue, TypeConfiguration typeConfig, Change change, DeserializingContext context)
{
change.OldValue = oldValue;
SetObjectParent(oldValue, null, null);
change.Value = DeserializeMemeberValue(typeConfig, parent, key, context);
return(change.Value);
}
public object DeserializeAndApplyAdd(IEntityHandler parent, string key, TypeConfiguration typeConfig, Change change, DeserializingContext context)
{
change.Value = DeserializeMemeberValue(typeConfig, parent, key, context);
return(change.Value);
}
public object DeserializeMemeberValue(TypeConfiguration typeConfig, IEntityHandler parent, string property, DeserializingContext context)
{
if (typeConfig.IsExternalType)
{
return(context.Serializer.Deserialize(context.Reader, typeConfig.Type));
}
else if (typeConfig.Creator != null)
{
var result = typeConfig.Creator(parent, property);
var handler = (IEntityHandlerProvider)result;
handler.GetHandler().Deserialize(context);
return(result);
}
else
{
throw new Exception();
}
}
