public virtual IMementoEx GetSnapshot()
{
var clone = _state.Clone();
EventUnfolderMemento memento = new EventUnfolderMemento();
memento.Id = this.Id;
memento.Version = this.Version;
memento.Payload = clone;
memento.Signature = this.Signature;
return(memento);
}
private String InnerValidateMemento(IMementoEx memento)
{
if (!(memento is EventUnfolderMemento))
{
return("Cannot restore Projector from type " + memento.GetType() + " expecting EventUnfolderSnapshot.");
}
EventUnfolderMemento eventUnfolderMemento = (EventUnfolderMemento)memento;
if (eventUnfolderMemento.Payload.GetType() != typeof(TQueryModel))
{
return("Payload of the memento is expected to be of type " + typeof(TQueryModel) + " but it is of type " +
eventUnfolderMemento.Payload.GetType());
}
if (eventUnfolderMemento.Signature != this.Signature)
{
return("Memento has wrong signature [" + eventUnfolderMemento + "] unfolder signature is " + Signature);
}
return(String.Empty);
}
