org.drools.planner.examples.travelingtournament.persistence.smart.SmartTravelingTournamentSolutionExporter Maven / Gradle / Ivy
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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule
engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use
Drools Planner.
/*
* 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.examples.travelingtournament.persistence.smart;
import java.io.IOException;
import org.drools.planner.examples.common.persistence.AbstractTxtSolutionExporter;
import org.drools.planner.examples.travelingtournament.domain.TravelingTournament;
import org.drools.planner.examples.travelingtournament.domain.Team;
import org.drools.planner.examples.travelingtournament.domain.Match;
import org.drools.planner.examples.travelingtournament.domain.Day;
import org.drools.planner.core.solution.Solution;
public class SmartTravelingTournamentSolutionExporter extends AbstractTxtSolutionExporter {
private static final String OUTPUT_FILE_SUFFIX = ".trick.txt";
public static void main(String[] args) {
new SmartTravelingTournamentSolutionExporter().convertAll();
}
public SmartTravelingTournamentSolutionExporter() {
super(new SmartTravelingTournamentDaoImpl());
}
@Override
protected String getOutputFileSuffix() {
return OUTPUT_FILE_SUFFIX;
}
public TxtOutputBuilder createTxtOutputBuilder() {
return new SmartTravelingTournamentOutputBuilder();
}
public class SmartTravelingTournamentOutputBuilder extends TxtOutputBuilder {
private TravelingTournament travelingTournament;
public void setSolution(Solution solution) {
travelingTournament = (TravelingTournament) solution;
}
public void writeSolution() throws IOException {
int maximumTeamNameLength = 0;
for (Team team : travelingTournament.getTeamList()) {
if (team.getName().length() > maximumTeamNameLength) {
maximumTeamNameLength = team.getName().length();
}
}
for (Team team : travelingTournament.getTeamList()) {
bufferedWriter.write(String.format("%-" + (maximumTeamNameLength + 3) + "s", team.getName()));
}
bufferedWriter.write("\n");
for (Team team : travelingTournament.getTeamList()) {
bufferedWriter.write(String.format("%-" + (maximumTeamNameLength + 3) + "s", team.getName().replaceAll("[\\w\\d]", "-")));
}
bufferedWriter.write("\n");
for (Day day : travelingTournament.getDayList()) {
for (Team team : travelingTournament.getTeamList()) {
// this could be put in a hashmap first for performance
boolean opponentIsHome = false;
Team opponentTeam = null;
for (Match match : travelingTournament.getMatchList()) {
if (match.getDay().equals(day)) {
if (match.getHomeTeam().equals(team)) {
opponentIsHome = false;
opponentTeam = match.getAwayTeam();
} else if (match.getAwayTeam().equals(team)) {
opponentIsHome = true;
opponentTeam = match.getHomeTeam();
}
}
}
String opponentName = (opponentIsHome ? "@" : "") + opponentTeam.getName();
bufferedWriter.write(String.format("%-" + (maximumTeamNameLength + 3) + "s", opponentName));
}
bufferedWriter.write("\n");
}
}
}
}