Naive OrigoDB document database model

gistfile1.cs

[Serializable]
public class DocumentModel : Model
{
    private readonly Dictionary<object,object> _documents;
 
    public DocumentModel()
    {
        _documents = new Dictionary<object, object>();
    }
 
    public T Get<T>(object key)
    {
        return (T) Get(key);
    }
 
    public object Get(object key)
    {
        return _documents.ContainsKey(key) ? _documents[key] : null;
    }
 
    public void Put(object key, object document)
    {
        _documents[key] = document;
    }
 
    public bool Remove(object key)
    {
        return _documents.Remove(key);
    }
 
    public T ExecuteQuery<T>(Func<Dictionary<object, object>, T> query)
    {
        return query.Invoke(_documents);
    }
}