Invaders1Main.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.games.invaders;

import org.drools.games.GameConfiguration;
import org.drools.games.GameUI;
import org.kie.api.KieServices;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Invaders1Main {

    private static final Logger LOG = LoggerFactory.getLogger(Invaders1Main.class);

    public static void main(String[] args) {
        new Invaders1Main().init(true);
    }

    public Invaders1Main() {
    }

    public void init(boolean exitOnClose) {
        KieContainer kc = KieServices.Factory.get().getKieClasspathContainer();
        final KieSession ksession = kc.newKieSession( "Invaders1KS");

        GameConfiguration cong = new GameConfiguration();
        cong.setExitOnClose(exitOnClose);

        GameUI ui = new GameUI(ksession, cong);
        ui.init();

        runKSession(ksession);
    }

    public void runKSession(final KieSession ksession) {
        ExecutorService executorService = Executors.newFixedThreadPool(1);
        executorService.submit(new Runnable() {
            public void run() {
                // run forever
                try {
                    ksession.fireUntilHalt();
                } catch ( Exception e ) {
                    LOG.error("Exception", e);
                }
            }
        });
    }
}