Stateful.java

/*
 * Copyright (c) 2015 NOVA, All rights reserved.
 * This library is free software, licensed under GNU Lesser General Public License version 3
 *
 * This file is part of NOVA.
 *
 * NOVA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * NOVA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with NOVA.  If not, see <http://www.gnu.org/licenses/>.
 */

package nova.core.block;

import nova.core.event.bus.Event;

/**
 * This interface should be implemented by any block willing to keep a
 * per-block-instance state. This means that once the block instance is
 * created, it will be kept throughout the lifetime of the world.
 *
 * To make sure your block gets saved on world reloads (etc.), implement
 * Storable.
 */
public interface Stateful {
	/**
	 * Called when the stateful object loads
	 */
	class LoadEvent extends Event {

	}

	/**
	 * Called when the stateful object unloads.
	 */
	class UnloadEvent extends Event {

	}
}