Immutable entities with Raven DB
Whenever you are trying to use a non-default constructor for your entity, do the following to avoid falling into serialization problems with JSON.Net and raven:
- add a private constructor ... even if it is empty
- Ensure every readonly property has a "Private setter" on it ... else it won't get populated
-
Use a custom Json resolver like this one:
public class PrivatePropertySetterResolver : DefaultContractResolver { protected override JsonProperty CreateProperty(JsonObjectContract contract, MemberInfo member) { var prop = base.CreateProperty(contract, member); if (!prop.Writable) { var property = member as PropertyInfo; if (property != null) { var hasPrivateSetter = property.GetSetMethod(true) != null; prop.Writable = hasPrivateSetter; } } return prop; } }