private EntityTable EnsureDirectoryForType(Type t)
{
EntityTable table;
if (!_subDirs.TryGetValue(t.Name, out table))
{
var di = _rootDirectoryInfo.CreateSubdirectory(t.Name);
table = new EntityTable(di);
_subDirs [t.Name] = table;
}
return(table);
}
public Guid WriteEntity <T>(T e) where T : Entity
{
// Ensure the GUID here, we can be sure that they will call base
if (e.Id == Guid.Empty)
{
e.Id = Guid.NewGuid();
}
EntityTable table = EnsureDirectoryForType(e.GetType());
using (StreamWriter writer = new StreamWriter(PathForDirectoryAndID(table.Directory, e.Id)))
{
var serializer = MessagePackSerializer.Get <T> ();
serializer.Pack(writer.BaseStream, e);
}
return(e.Id);
}
public T RetrieveEntity <T>(Guid id) where T : Entity
{
EntityTable table = EnsureDirectoryForType(typeof(T));
return(InternalRead <T>(table.Directory, id));
}
