/**
* Copyright 2005 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.spi;
import java.io.Serializable;
import java.util.Comparator;
/**
* Strategy for resolving conflicts amongst multiple rules.
*
* <p>
* Since a fact or set of facts may activate multiple rules, a
* <code>ConflictResolutionStrategy</code> is used to provide priority
* ordering of conflicting rules.
* </p>
*
* @see Activation
* @see Tuple
* @see org.drools.rule.Rule
*
* @author <a href="mailto:bob@werken.com">bob mcwhirter </a>
* @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris </a>
*
* @version $Id: ConflictResolver.java,v 1.1 2005/07/26 01:06:32 mproctor Exp $
*/
public interface ConflictResolver
extends
Serializable,
Comparator {
int compare(Activation lhs,
Activation rhs);
}