/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see http://www.gnu.org/licenses/. */
package com.db4o.internal.slots;
import com.db4o.internal.ids.*;
/**
* @exclude
*/
public class SystemSlotChange extends SlotChange {
public SystemSlotChange(int id) {
super(id);
}
@Override
public void accumulateFreeSlot(TransactionalIdSystemImpl idSystem,
FreespaceCommitter freespaceCommitter, boolean forFreespace) {
super.accumulateFreeSlot(idSystem, freespaceCommitter, forFreespace);
// FIXME: If we are doing a delete, we should also free our pointer here.
}
@Override
protected Slot modifiedSlotInParentIdSystem(TransactionalIdSystemImpl idSystem) {
return null;
}
@Override
public boolean removeId() {
return _newSlot == Slot.ZERO;
}
}