1 /* Copyright (c) 2008 Sascha Kohlmann
2 *
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU Affero General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Affero General Public License for more details.
12 *
13 * You should have received a copy of the GNU Affero General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16 package net.sf.eos;
17
18 import java.util.List;
19 import java.util.Map;
20
21 /**
22 * Support for metadata.
23 * @author Sascha Kohlmann
24 */
25 public interface Metadata {
26
27 /**
28 * Returns simple metadata. The content of the metadata depends on the
29 * implementation.
30 * @return implementation dependend metadata. Maybe {@code null}.
31 */
32 Map<String, List<String>> getMeta();
33 }