/* 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;
import com.db4o.query.*;
/**
* Diagnostic, if Native Query can not be run optimized.
*/
public class NativeQueryNotOptimized extends DiagnosticBase{
private final Predicate _predicate;
private final Exception _details;
public NativeQueryNotOptimized(Predicate predicate, Exception details) {
_predicate = predicate;
_details = details;
}
public Object reason() {
if (_details == null) return _predicate;
return _predicate != null ? _predicate.toString() : "" + "\n" + _details.getMessage();
}
public String problem() {
return "Native Query Predicate could not be run optimized";
}
public String solution() {
return "This Native Query was run by instantiating all objects of the candidate class. "
+ "Consider simplifying the expression in the Native Query method. If you feel that "
+ "the Native Query processor should understand your code better, you are invited to "
+ "post yout query code to db4o forums at http://developer.db4o.com/forums";
}
}