001/*
002 * Stallion Core: A Modern Web Framework
003 *
004 * Copyright (C) 2015 - 2016 Stallion Software LLC.
005 *
006 * This program is free software: you can redistribute it and/or modify it under the terms of the
007 * GNU General Public License as published by the Free Software Foundation, either version 2 of
008 * the License, or (at your option) any later version. This program is distributed in the hope that
009 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
011 * License for more details. You should have received a copy of the GNU General Public License
012 * along with this program.  If not, see <http://www.gnu.org/licenses/gpl-2.0.html>.
013 *
014 *
015 *
016 */
017
018package io.stallion.plugins.javascript;
019
020import io.stallion.dataAccess.ModelController;
021import io.stallion.dataAccess.Model;
022import io.stallion.exceptions.UsageException;
023
024import java.util.HashSet;
025import java.util.List;
026
027
028public abstract class JsDataSyncer {
029
030    public abstract long getBaseId();
031    public abstract void onSyncObject(Object o);
032
033    private HashSet<Long> usedIds = new HashSet<>();
034
035    public long newId(Long i) {
036        long id = getBaseId() + i;
037        if (usedIds.contains(id)) {
038            throw new UsageException("You used the id " + i + " twice!");
039        }
040        usedIds.add(id);
041        return id;
042    }
043
044    public long getId(Long i) {
045        return getBaseId() + i;
046    }
047
048    public void syncObjects(List<Model> models) {
049        if (models.size() == 0) {
050            return;
051        }
052        ModelController controller = models.get(0).getController();
053        for (Model model: models) {
054            onSyncObject(model);
055            controller.save(model);
056        }
057    }
058}