com.almuradev.backpack.BackpackFactory.java Source code

Introduction

Here is the source code for com.almuradev.backpack.BackpackFactory.java

Source

/*
 * This file is part of Backpack, licensed under the MIT License (MIT).
 *
 * Copyright (c) AlmuraDev <http://github.com/AlmuraDev>
 * Copyright (c) contributors
 *
 * 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 com.almuradev.backpack;

import com.almuradev.backpack.backend.DatabaseManager;
import com.almuradev.backpack.backend.entity.Backpacks;
import com.almuradev.backpack.inventory.BackpackInventory;
import com.google.common.collect.Sets;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import org.spongepowered.api.entity.living.player.Player;
import org.spongepowered.api.world.World;

import java.io.IOException;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.Optional;
import java.util.Set;

public class BackpackFactory {

    private static final Set<BackpackInventory> BACKPACKS = Sets.newConcurrentHashSet();

    public static BackpackInventory load(World world, Player player) throws IOException, SQLException {
        final Session session = DatabaseManager.getSessionFactory().openSession();
        final Criteria criteria = session.createCriteria(Backpacks.class);
        Backpacks record = (Backpacks) criteria
                .add(Restrictions.and(Restrictions.eq("worldUniqueId", world.getUniqueId()),
                        Restrictions.eq("playerUniqueId", player.getUniqueId())))
                .uniqueResult();

        if (record == null) {
            record = new Backpacks();
            record.setWorldUniqueId(world.getUniqueId());
            record.setPlayerUniqueId(player.getUniqueId());
            record.setSize(9);
            record.setTitle("My Backpack");
            session.beginTransaction();
            session.saveOrUpdate(record);
            session.getTransaction().commit();
        }
        final BackpackInventory inventory = new BackpackInventory(record);
        for (int i = 0; i < inventory.getSizeInventory(); i++) {
            DatabaseManager.loadSlot(session, inventory, i);
        }
        session.close();
        BACKPACKS.add(inventory);
        return new BackpackInventory(record);
    }

    public static Optional<BackpackInventory> get(World world, Player player) {
        for (BackpackInventory inventory : BACKPACKS) {
            if (inventory.getRecord().getWorldUniqueId().equals(world.getUniqueId())
                    && inventory.getRecord().getPlayerUniqueId().equals(player.getUniqueId())) {
                return Optional.of(inventory);
            }
        }

        return Optional.empty();
    }

    public static void put(BackpackInventory inventory) {
        final Iterator<BackpackInventory> iter = BACKPACKS.iterator();
        while (iter.hasNext()) {
            if (iter.next().equals(inventory)) {
                iter.remove();
            }
        }
        BACKPACKS.add(inventory);
    }
}