private IEntityChange <TEntity> getEntityChange(Entity <TEntity> context)
{
var propertyChanges = getPropertyChanges(context);
EntityChange <TEntity> change = new EntityChange <TEntity>(
context.Instance,
getState(context.State, propertyChanges),
context.Data,
propertyChanges);
return(change);
}
public IEntityChange <TDerived> As <TDerived>()
where TDerived : class, TEntity
{
EntityChange <TDerived> change = new EntityChange <TDerived>(
Entity as TDerived,
State,
Data,
changes);
return(change);
}
public IEntityChange <TEntity> DetectChanges(TEntity entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
Entity <TEntity> context;
if (lookup.TryGetValue(entity, out context))
{
return(getEntityChange(context));
}
else
{
EntityChange <TEntity> change = new EntityChange <TEntity>(
entity,
EntityState.Detached,
null,
new IPropertyChange[0]);
return(change);
}
}