com.garethahealy.duneworld.sandworms.services.SandwormService.java Source code

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Here is the source code for com.garethahealy.duneworld.sandworms.services.SandwormService.java

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/*
 * #%L
 * GarethHealy :: Dune World :: Sandworms
 * %%
 * Copyright (C) 2013 - 2015 Gareth Healy
 * %%
 * 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.
 * #L%
 */
package com.garethahealy.duneworld.sandworms.services;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.UUID;

import com.garethahealy.duneworld.sandworms.entities.LongitudeAndLatitude;
import com.garethahealy.duneworld.sandworms.entities.Sandworm;

import org.joda.time.DateTime;

public class SandwormService {

    private ArrakisService arrakisService;
    private List<Sandworm> worms;
    private Random wormSelectorRand;

    public SandwormService(ArrakisService arrakisService) {
        this.arrakisService = arrakisService;
        this.worms = new ArrayList<Sandworm>();
        this.wormSelectorRand = new Random(DateTime.now().getMillis());
    }

    public void start() {

    }

    public void stop() {
        this.worms.clear();
        this.worms = null;
    }

    public Sandworm createWorm() {
        LongitudeAndLatitude cords = arrakisService.getLongitudeAndLatitude();

        Sandworm worm = new Sandworm();
        worm.setId(UUID.randomUUID());
        worm.setLatitude(cords.getLatitude());
        worm.setLongitude(cords.getLongitude());

        worms.add(worm);

        return worm;
    }

    public void generateSpice() {
        Integer max = this.worms.size() <= 1 ? 0 : this.worms.size() - 1;
        Integer index = max <= 0 ? 0 : wormSelectorRand.nextInt(max);

        if (index > 0) {
            Sandworm answer = this.worms.get(index);
            answer.incrementSpice();
        }
    }
}