/* 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.activation;
import com.db4o.internal.*;
public abstract class UnspecifiedUpdateDepth implements UpdateDepth {
protected UnspecifiedUpdateDepth() {
}
public boolean sufficientDepth() {
return true;
}
public boolean negative() {
return true;
}
@Override
public String toString() {
return getClass().getName();
}
public UpdateDepth adjust(ClassMetadata clazz) {
FixedUpdateDepth depth = (FixedUpdateDepth) forDepth(clazz.updateDepthFromConfig()).descend();
return depth;
}
public UpdateDepth adjustUpdateDepthForCascade(boolean isCollection) {
throw new IllegalStateException();
}
public UpdateDepth descend() {
throw new IllegalStateException();
}
protected abstract FixedUpdateDepth forDepth(int depth);
}