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.action;
19:
20: import de.finix.contelligent.CallData;
21: import de.finix.contelligent.Container;
22: import de.finix.contelligent.render.Renderable;
23:
24: /**
25: * An <code>Action</code> is a special {@link Renderable} which may perform
26: * complex tasks.
27: */
28: public interface Action extends Renderable, Container {
29:
30: final static public String GENERIC_ACTION_RESULT_KEY = "GenericActionResult";
31:
32: /**
33: * Performs the action.
34: *
35: * @param callData
36: * an <code>CallData</code> value
37: * @return a string representing the exit state of the action
38: * @exception ActionException
39: * if an error occurs
40: */
41: public String perform(CallData callData) throws ActionException;
42:
43: }
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