Forager.java example

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/**
 * 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.localsearch.decider.forager;

import java.util.List;

import org.drools.planner.core.localsearch.LocalSearchSolverLifecycleListener;
import org.drools.planner.core.localsearch.StepScope;
import org.drools.planner.core.localsearch.decider.MoveScope;
import org.drools.planner.core.move.Move;

/**
 * A Forager collects the accepted moves and picks the next step from those for the Decider.
 * @see AbstractForager
 * @author Geoffrey De Smet
 */
public interface Forager extends LocalSearchSolverLifecycleListener {

    void addMove(MoveScope moveScope);

    boolean isQuitEarly();

    MoveScope pickMove(StepScope stepScope);

    int getAcceptedMovesSize();

    List<Move> getTopList(int topSize);
    
}