01: /*
02: * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: */
18: package org.mandarax.util;
19:
20: /**
21: * Interface for objects delivering data. The intention of introducing such
22: * an interface is to support both "explicit" data sources that are more or less
23: * normal collections, as well as datasources that hold only a
24: * description how to build an iteratorn and do so only when the method
25: * <code>getData()</code> is sent. Examples include data sources retrieving objects from a database.
26: * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
27: * @version 3.4 <7 March 05>
28: * @since 1.0
29: */
30: public interface DataSource {
31:
32: /**
33: * Get the data.
34: * @return a collection of data
35: */
36: java.util.Collection getData();
37: }
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