/* 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 class LegacyActivationDepthProvider implements ActivationDepthProvider {
public static final ActivationDepthProvider INSTANCE = new LegacyActivationDepthProvider();
public ActivationDepth activationDepthFor(ClassMetadata classMetadata, ActivationMode mode) {
if (mode.isPrefetch()) {
return new LegacyActivationDepth(1, mode);
}
final int globalLegacyActivationDepth = configImpl(classMetadata).activationDepth();
Config4Class config = classMetadata.configOrAncestorConfig();
int defaultDepth = null == config
? globalLegacyActivationDepth
: config.adjustActivationDepth(globalLegacyActivationDepth);
return new LegacyActivationDepth(defaultDepth, mode);
}
public ActivationDepth activationDepth(int depth, ActivationMode mode) {
return new LegacyActivationDepth(depth, mode);
}
private Config4Impl configImpl(ClassMetadata classMetadata) {
return classMetadata.container().configImpl();
}
}