01: /*
02: * Copyright 2001-2006 C:1 Financial Services GmbH
03: *
04: * This software is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License Version 2.1, as published by the Free Software Foundation.
07: *
08: * This software is distributed in the hope that it will be useful,
09: * but WITHOUT ANY WARRANTY; without even the implied warranty of
10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11: * Lesser General Public License for more details.
12: *
13: * You should have received a copy of the GNU Lesser General Public
14: * License along with this library; if not, write to the Free Software
15: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
16: */
17:
18: package de.finix.contelligent;
19:
20: import java.util.Iterator;
21:
22: /**
23: * A {@link Component} which may hold other components as children.
24: */
25: public interface Container extends Component {
26:
27: /**
28: * Returns an <code>Iterator</code> over <code>String</code> instances
29: * representing the names of the subcomponents of this container.
30: *
31: * @return an <code>Iterator</code> value
32: */
33: public Iterator getSubcomponentNames();
34:
35: // public Iterator getSubcomponentNames(int start, int amount);
36:
37: // ============================================================================
38: // property access methods:
39: // ============================================================================
40:
41: // a read-only property without set-method (mode 'rn')
42: public boolean getHasChildren();
43:
44: }
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