/// <summary>
/// Clears all dictionaries and indexes and loads them with current data
/// </summary>
public void ClearAndFill()
{
ResetSearch();
// get a list of valid restaurants
ICollection<restaurant> restos = new RestaurantIM().find(false);
foreach (var resto in restos)
{
// clear the index
invertedIndex = new Dictionary<string, IDictionary<int, IList<int>>>();
// load the dictionary (any previous data will be overwritten)
dictionary = LoadDictionary(resto.id);
// fill class variable invertedIndex
CreateInvertedIndex();
dictionaryHolder.Add(resto.id, dictionary);
indexHolder.Add(resto.id, invertedIndex);
}
HttpContext.Current.Application.Lock();
HttpContext.Current.Application["dictionary"] = dictionaryHolder;
HttpContext.Current.Application["invertedIndex"] = indexHolder;
HttpContext.Current.Application.UnLock();
}
public RestaurantController()
{
im = new RestaurantIM(db);
om = new RestaurantOM(db);
}
/// <summary>
/// when updating a record we would like to increment the value of version to
/// </summary>
/// <param name="restaurant"></param>
/// <returns></returns>
/// <exception cref="InvalidOperationException"></exception>
public Boolean edit(restaurant restaurant)
{
RestaurantIM im = new RestaurantIM(db);
restaurant dbVersion = im.find(restaurant.id);
if (dbVersion.version == restaurant.version)
{
((IObjectContextAdapter)db).ObjectContext.Detach(dbVersion);
db.Entry(restaurant).State = EntityState.Modified;
restaurant.version = restaurant.version + 1;
db.SaveChanges();
return true;
}
return false;
}
