/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2010  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/. */
using Db4objects.Db4o.Internal;
using Db4objects.Db4o.Internal.Query.Processor;

namespace Db4objects.Db4o.Internal.Query.Processor
{
	/// <exclude></exclude>
	public class QConUnconditional : QCon
	{
		private bool _value;

		public QConUnconditional()
		{
		}

		public QConUnconditional(Transaction trans, bool value) : base(trans)
		{
			// cannot be final for C/S unmarshalling
			// C/S only
			_value = value;
		}

		internal override void EvaluateSimpleExec(QCandidates a_candidates)
		{
			a_candidates.Filter(this);
		}

		internal override bool Evaluate(QCandidate a_candidate)
		{
			return _value;
		}
	}
}
