/// <summary>
/// Tries to get the first available recycled ID.
/// </summary>
/// <param name="entityIdType">the type of the entity id</param>
/// <returns>a non-zero ID if one was available; 0 otheriwse</returns>
/// <remarks>If an available ID is found, it'll be removed from the database.</remarks>
public static uint TryGetLowerEntityId(EntityIdType entityIdType)
{
// Lock so someone else doesn't grab the same row
m_idLock.Enter();
try
{
RecycledEntityId eid = GetFirstRecycledId(entityIdType);
if (eid == null)
{
return(0);
}
else
{
RemoveRecycledId(eid);
return((uint)eid.EntityId);
}
}
finally
{
m_idLock.Exit();
}
}
/// <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>
/// Recycles an entity ID of the given type.
/// </summary>
/// <param name="lowerEntityId">the lower entity id</param>
/// <param name="entityIdType">the type of the entity id</param>
public static bool RecycleLowerEntityId(uint lowerEntityId, EntityIdType idType)
{
if (DoesIdExist(lowerEntityId, idType))
{
// TODO: What should we do if it already exists? This is are a serious bug.
s_log.Debug(Resources.AlreadyRecycledEntityId, lowerEntityId, idType.ToString());
return(false);
}
RecycledEntityId eid = new RecycledEntityId();
eid.RecycledEntityIdGuid = Guid.NewGuid();
eid.EntityId = (long)lowerEntityId;
eid.EntityType = (int)idType;
AddRecycledId(eid);
return(true);
}
/// <summary>
/// Recycles an entity ID of the given type.
/// </summary>
/// <param name="lowerEntityId">the lower entity id</param>
/// <param name="entityIdType">the type of the entity id</param>
public static bool RecycleLowerEntityId(uint lowerEntityId, EntityIdType idType)
{
if (DoesIdExist(lowerEntityId, idType))
{
// TODO: What should we do if it already exists? This is are a serious bug.
s_log.Debug(Resources.AlreadyRecycledEntityId, lowerEntityId, idType.ToString());
return false;
}
RecycledEntityId eid = new RecycledEntityId();
eid.RecycledEntityIdGuid = Guid.NewGuid();
eid.EntityId = (long)lowerEntityId;
eid.EntityType = (int)idType;
AddRecycledId(eid);
return true;
}
/// <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>
/// 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();
}
}