/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.optaplanner.core.impl.solver.event;
import java.util.Iterator;
import org.optaplanner.core.api.domain.solution.PlanningSolution;
import org.optaplanner.core.api.score.Score;
import org.optaplanner.core.api.solver.Solver;
import org.optaplanner.core.api.solver.event.BestSolutionChangedEvent;
import org.optaplanner.core.api.solver.event.SolverEventListener;
import org.optaplanner.core.impl.solver.scope.DefaultSolverScope;
/**
* Internal API.
* @param <Solution_> the solution type, the class with the {@link PlanningSolution} annotation
*/
public class SolverEventSupport<Solution_> extends AbstractEventSupport<SolverEventListener<Solution_>> {
private final Solver<Solution_> solver;
public SolverEventSupport(Solver<Solution_> solver) {
this.solver = solver;
}
public void fireBestSolutionChanged(DefaultSolverScope<Solution_> solverScope, Solution_ newBestSolution) {
final Iterator<SolverEventListener<Solution_>> it = eventListenerSet.iterator();
long timeMillisSpent = solverScope.getBestSolutionTimeMillisSpent();
Score bestScore = solverScope.getBestScore();
if (it.hasNext()) {
final BestSolutionChangedEvent<Solution_> event = new BestSolutionChangedEvent<>(solver,
timeMillisSpent, newBestSolution, bestScore);
do {
it.next().bestSolutionChanged(event);
} while (it.hasNext());
}
}
}