/// <summary>
/// Event Handler for EntityAdded event fired by the EntityRegistry. A new entity will be persisted to the database,
/// unless the entity to be added was just queried from the database (e.g. upon initialization)
/// </summary>
/// <param name="sender">Sender of the event (the EntityRegistry)</param>
/// <param name="e">Event arguments</param>
internal void OnEntityAdded(Object sender, EntityEventArgs e)
{
Entity addedEntity = e.Entity;
// Only persist entities if they are not added during intialization on Startup
if (!EntitiesToInitialize.Contains(addedEntity.Guid))
{
AddEntityToPersisted(addedEntity);
}
else
{
EntitiesToInitialize.Remove(addedEntity.Guid);
}
addedEntity.ChangedAttribute += new EventHandler <ChangedAttributeEventArgs>(OnAttributeChanged);
addedEntity.CreatedComponent += new EventHandler <ComponentEventArgs>(HandleComponentCreated);
}
/// <summary>
/// Retrieves the entities from database.
/// </summary>
internal void RetrieveEntitiesFromDatabase()
{
IList <Entity> entitiesInDatabase = new List <Entity> ();
using (ISession session = SessionFactory.OpenSession())
{
entitiesInDatabase = session.CreateQuery("from " + typeof(Entity)).List <Entity>();
foreach (Entity e in entitiesInDatabase)
{
//if (e.Parent == null)
{
EntitiesToInitialize.Add(e.Guid);
World.Instance.Add(e);
}
}
}
}
