/// <summary>
/// Checks if the recycled ID already exists in the database.
/// </summary>
/// <param name="lowerId">the ID to check for</param>
/// <param name="type">the entity ID type to check for</param>
/// <returns>true if the ID has already been recycled; false if not</returns>
public static bool DoesIdExist(uint lowerId, EntityIdType type)
{
using (var db = RealmServerDataContext.GetContext())
{
return(RecycledIdByLowerAndType(db, (int)lowerId, (int)type).Count() > 0);
}
}
/// <summary>
/// Adds a new recycled ID to the database.
/// </summary>
/// <param name="id">the ID to add</param>
public static void AddRecycledId(RecycledEntityId id)
{
using (var db = RealmServerDataContext.GetContext())
{
db.RecycledEntityIds.InsertOnSubmit(id);
db.SubmitChanges();
}
}
/// <summary>
/// Removes a recycled ID from the database.
/// </summary>
/// <param name="id">the ID to remove</param>
public static void RemoveRecycledId(RecycledEntityId id)
{
using (var db = RealmServerDataContext.GetContext())
{
db.RecycledEntityIds.Attach(id);
db.RecycledEntityIds.DeleteOnSubmit(id);
db.SubmitChanges();
}
}
/// <summary>
/// Gets the first available ID of the given type.
/// </summary>
/// <param name="type">the type of entity ID to get</param>
/// <returns>a <see cref="RecycledEntityId" /> object representing the ID; null if no ID was available</returns>
public static RecycledEntityId GetFirstRecycledId(EntityIdType type)
{
using (var db = RealmServerDataContext.GetContext())
{
IQueryable <RecycledEntityId> ids = RecycledIdsByType(db, (int)type);
return(ids.FirstOrDefault());
}
}