/* 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.diagnostic;
/**
* Diagnostic, if class has no fields.
*/
public class ClassHasNoFields extends DiagnosticBase{
private final String _className;
public ClassHasNoFields(String className){
_className = className;
}
public Object reason() {
return _className;
}
public String problem() {
return "Class does not contain any persistent fields";
}
public String solution() {
return "Every class in the hierarchy requires overhead for the maintenance of a class index."
+ " Consider removing this class from the hierarchy, if it is not needed.";
}
}