SolverEventListener.java

/**
 * Copyright 2010 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.planner.core.event;

import java.util.EventListener;

/**
 * @author Geoffrey De Smet
 */
public interface SolverEventListener extends EventListener {

    /**
     * Called from the solver thread.
     * Should return fast, as it steals time from the Solver.
     * @param event never null
     */
    void bestSolutionChanged(BestSolutionChangedEvent event);

}