Beispiel #1
0
 /// <exception cref="System.Exception"></exception>
 private BTree CycleIntKeys(BTree btree)
 {
     AddKeys(btree);
     ExpectKeys(btree, _sortedKeys);
     btree.Commit(Trans());
     ExpectKeys(btree, _sortedKeys);
     RemoveKeys(btree);
     ExpectKeys(btree, _keysOnRemoval);
     btree.Rollback(Trans());
     ExpectKeys(btree, _sortedKeys);
     var id = btree.GetID();
     Reopen();
     btree = BTreeAssert.CreateIntKeyBTree(Container(), id, BtreeNodeSize);
     ExpectKeys(btree, _sortedKeys);
     RemoveKeys(btree);
     ExpectKeys(btree, _keysOnRemoval);
     btree.Commit(Trans());
     ExpectKeys(btree, _keysOnRemoval);
     // remove all but 1
     for (var i = 1; i < _keysOnRemoval.Length; i++)
     {
         btree.Remove(Trans(), _keysOnRemoval[i]);
     }
     ExpectKeys(btree, _one);
     btree.Commit(Trans());
     ExpectKeys(btree, _one);
     btree.Remove(Trans(), 1);
     btree.Rollback(Trans());
     ExpectKeys(btree, _one);
     btree.Remove(Trans(), 1);
     btree.Commit(Trans());
     ExpectKeys(btree, _none);
     return btree;
 }
Beispiel #2
0
 private void AssertCurrentBTreeId(int id)
 {
     if (id != _bTree.GetID())
     {
         throw new InvalidOperationException();
     }
 }
		private void Initialize()
		{
			int idToTimestampIndexId = _container.SystemData().IdToTimestampIndexId();
			int timestampToIdIndexId = _container.SystemData().TimestampToIdIndexId();
			_idToTimestamp = new BTree(_container.SystemTransaction(), idToTimestampIndexId, 
				new CommitTimestampSupport.TimestampEntryById());
			_timestampToId = new BTree(_container.SystemTransaction(), timestampToIdIndexId, 
				new CommitTimestampSupport.IdEntryByTimestamp());
			if (idToTimestampIndexId != _idToTimestamp.GetID())
			{
				StoreBtreesIds();
			}
			EventRegistryFactory.ForObjectContainer(_container).Committing += new System.EventHandler<Db4objects.Db4o.Events.CommitEventArgs>
				(new _IEventListener4_69(this).OnEvent);
		}
Beispiel #4
0
		/// <exception cref="System.Exception"></exception>
		private BTree CycleIntKeys(BTree btree, int[] values)
		{
			for (int i = 0; i < values.Length; i++)
			{
				btree.Add(Trans(), values[i]);
			}
			ExpectKeysSearch(Trans(), btree, values);
			btree.Commit(Trans());
			int id = btree.GetID();
			Container().Commit(Trans());
			Reopen();
			btree = BTreeAssert.CreateIntKeyBTree(Container(), id, BtreeNodeSize);
			ExpectKeysSearch(Trans(), btree, values);
			for (int i = 0; i < values.Length; i++)
			{
				btree.Remove(Trans(), values[i]);
			}
			BTreeAssert.AssertEmpty(Trans(), btree);
			btree.Commit(Trans());
			BTreeAssert.AssertEmpty(Trans(), btree);
			return btree;
		}
Beispiel #5
0
		private void RegisterBTreeInTransaction(BTree tree)
		{
			AssertValidBTreeId(tree.GetID());
			BTreesIn(_transaction)[tree.GetID()] = tree;
		}
		/// <exception cref="System.Exception"></exception>
		public static void AssertAllSlotsFreed(LocalTransaction trans, BTree bTree, ICodeBlock
			 block)
		{
			LocalObjectContainer container = (LocalObjectContainer)trans.Container();
			ITransactionalIdSystem idSystem = trans.IdSystem();
			IEnumerator allSlotIDs = bTree.AllNodeIds(trans.SystemTransaction());
			Collection4 allSlots = new Collection4();
			while (allSlotIDs.MoveNext())
			{
				int slotID = ((int)allSlotIDs.Current);
				Slot slot = idSystem.CurrentSlot(slotID);
				allSlots.Add(slot);
			}
			Slot bTreeSlot = idSystem.CurrentSlot(bTree.GetID());
			allSlots.Add(bTreeSlot);
			Collection4 freedSlots = new Collection4();
			IFreespaceManager freespaceManager = container.FreespaceManager();
			container.InstallDebugFreespaceManager(new FreespaceManagerForDebug(new _ISlotListener_99
				(freedSlots)));
			block.Run();
			container.InstallDebugFreespaceManager(freespaceManager);
			Assert.IsTrue(freedSlots.ContainsAll(allSlots.GetEnumerator()));
		}
		private void InitializeNew()
		{
			_bTree = new BTree(Transaction(), BTreeConfiguration(), new BTreeIdSystem.IdSlotMappingHandler
				());
			int idGeneratorValue = _container.Handlers.LowestValidId() - 1;
			_persistentState = new PersistentIntegerArray(SlotChangeFactory.IdSystem, _transactionalIdSystem
				, new int[] { _bTree.GetID(), idGeneratorValue, 0 });
			_persistentState.Write(Transaction());
			_parentIdSystem.ChildId(_persistentState.GetID());
		}
		public virtual void RegisterBTreeIDs(BTree btree, IDMappingCollector collector)
		{
			collector.CreateIDMapping(this, btree.GetID(), false);
			TraverseAllIndexSlots(btree, new _IVisitor4_244(this, collector));
		}
 private void Initialize()
 {
     var idToTimestampIndexId = _container.SystemData().IdToTimestampIndexId();
     var timestampToIdIndexId = _container.SystemData().TimestampToIdIndexId();
     if (_container.Config().IsReadOnly())
     {
         if (idToTimestampIndexId == 0)
         {
             return;
         }
     }
     _idToTimestamp = new BTree(_container.SystemTransaction(), idToTimestampIndexId,
         new TimestampEntryById());
     _timestampToId = new BTree(_container.SystemTransaction(), timestampToIdIndexId,
         new IdEntryByTimestamp());
     if (idToTimestampIndexId != _idToTimestamp.GetID())
     {
         StoreBtreesIds();
     }
     EventRegistryFactory.ForObjectContainer(_container).Committing += new _IEventListener4_65(this).OnEvent;
 }
		private static long BTreeUsage(Transaction transaction, IIdSystem idSystem, BTree
			 btree, ISlotMap slotMap)
		{
			IEnumerator nodeIter = btree.AllNodeIds(transaction);
			Db4objects.Db4o.Internal.Slots.Slot btreeSlot = idSystem.CommittedSlot(btree.GetID
				());
			slotMap.Add(btreeSlot);
			long usage = btreeSlot.Length();
			while (nodeIter.MoveNext())
			{
				int curNodeId = ((int)nodeIter.Current);
				Db4objects.Db4o.Internal.Slots.Slot slot = idSystem.CommittedSlot(curNodeId);
				slotMap.Add(slot);
				usage += slot.Length();
			}
			return usage;
		}
 private static long BTreeUsage(Transaction transaction, IIdSystem idSystem, BTree
     btree, ISlotMap slotMap)
 {
     var nodeIter = btree.AllNodeIds(transaction);
     var btreeSlot = idSystem.CommittedSlot(btree.GetID
         ());
     slotMap.Add(btreeSlot);
     long usage = btreeSlot.Length();
     while (nodeIter.MoveNext())
     {
         var curNodeId = ((int) nodeIter.Current);
         var slot = idSystem.CommittedSlot(curNodeId);
         slotMap.Add(slot);
         usage += slot.Length();
     }
     return usage;
 }