/* 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 query was required to load candidate set from class index.
*/
public class LoadedFromClassIndex extends DiagnosticBase{
private final String _className;
public LoadedFromClassIndex(String className) {
_className = className;
}
public Object reason() {
return _className;
}
public String problem() {
return "Query candidate set could not be loaded from a field index";
}
public String solution() {
return "Consider indexing fields that you query for: "
+ "configuration.common().objectClass("+_className+").objectField([fieldName]).indexed(true)" ;
}
}