1 /* 2 * Grapht, an open source dependency injector. 3 * Copyright 2014-2015 various contributors (see CONTRIBUTORS.txt) 4 * Copyright 2010-2014 Regents of the University of Minnesota 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU Lesser General Public License as 8 * published by the Free Software Foundation; either version 2.1 of the 9 * License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 14 * details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 51 18 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 19 */ 20 package org.grouplens.grapht; 21 22 /** 23 * Interface for instantiating components. It functions much like {@link javax.inject.Provider}, 24 * except that it reports failure with a checked exception. 25 * 26 * @author <a href="http://www.grouplens.org">GroupLens Research</a> 27 * @since 0.9 28 */ 29 public interface Instantiator{ 30 Object instantiate() throws ConstructionException; 31 32 /** 33 * Get the type that this instantiator will instantiate. 34 * @return The type returned by this instantiator. 35 */ 36 Class getType(); 37 }