001/*
002 * Forge Mod Loader
003 * Copyright (c) 2012-2013 cpw.
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser Public License v2.1
006 * which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
008 * 
009 * Contributors:
010 *     cpw - implementation
011 */
012
013package cpw.mods.fml.relauncher;
014
015import java.util.Map;
016import java.util.concurrent.Callable;
017
018/**
019 * This call hook allows for code to execute at the very early stages of
020 * minecraft initialization. FML uses it to validate that there is a
021 * safe environment for further loading of FML.
022 *
023 * @author cpw
024 *
025 */
026public interface IFMLCallHook extends Callable<Void>
027{
028    /**
029     * Injected with data from the FML environment:
030     * "classLoader" : The FML Class Loader
031     * @param data
032     */
033    void injectData(Map<String,Object> data);
034}