/* 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.query.processor;
import com.db4o.internal.*;
/**
* @exclude
*/
public class QConUnconditional extends QCon {
// cannot be final for C/S unmarshalling
private boolean _value;
public QConUnconditional() {
// C/S only
}
public QConUnconditional(Transaction trans, boolean value) {
super(trans);
_value = value;
}
void evaluateSimpleExec(QCandidates a_candidates) {
a_candidates.filter(this);
}
boolean evaluate(InternalCandidate a_candidate) {
return _value;
}
@Override
protected boolean canResolveByFieldIndex() {
return false;
}
}