Minecraft electricity example using FlowAPI

ModExample.java

/*
 * MIT License
 * Copyright 2018 Tin Svagelj (a.k.a. Caellian) <tin.svagelj.email@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package hr.caellian.flow.mcmod;

import hr.caellian.flow.data.Flux;
import hr.caellian.flow.data.FluxType;
import hr.caellian.flow.data.Property;
import hr.caellian.flow.util.PropertyMap;

public class Electricity implements FluxType<Electricity.ElectricityFlux> {
    public static final Electricity INSTANCE = new Electricity();

    public static final String ID                 = "mod:electricity";
    public static final String PROPERTY_POTENTIAL = "mod:electricity:potential";

    private Electricity() {}

    @Override
    public String getID() {
        return ID;
    }

    @Override
    public ElectricityFlux createUnit(Property... properties) {
        int potential = 0;
        for (Property property : properties) {
            if (property.getID().equals(PROPERTY_POTENTIAL)) {
                potential = (int) (property).get();
                break;
            }
        }

        return new ElectricityFlux(potential);
    }

    public class ElectricityFlux implements Flux<Electricity> {
        private PropertyMap properties = new PropertyMap();

        ElectricityFlux(int potential) {
            addProperty(new Property<>(PROPERTY_POTENTIAL, potential));
        }

        @Override
        public Electricity getType() {
            return Electricity.INSTANCE;
        }

        @Override
        public Flux<Electricity> add(Flux<FluxType> other) {
            if (other.getID().equals(this.getID())) {
                Property<Integer> otherPotential = other.getProperties().getProperty(PROPERTY_POTENTIAL);
                properties.<Integer>getProperty(PROPERTY_POTENTIAL).apply(
                        potential -> potential + otherPotential.get());
                otherPotential.set(0);
                return this;
            }
            return null;
        }

        @Override
        public Flux<Electricity> take(Property[] extract) {
            int amount = 0;
            for (Property property : extract) {
                if (property.getID().equals(PROPERTY_POTENTIAL)) {
                    amount = (int) (property).get();
                    break;
                }
            }

            if (amount >= properties.<Integer>getPropertyValue(PROPERTY_POTENTIAL)) {
                return this;
            } else {
                properties.getProperty(PROPERTY_POTENTIAL)
                          .set(properties.<Integer>getPropertyValue(PROPERTY_POTENTIAL) - amount);
                return new ElectricityFlux(amount);
            }
        }

        @Override
        public PropertyMap getModifiableProperties() {
            return properties;
        }
    }
}