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 }