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Java > Open Source Codes > org > dbforms > event > eventtype > CompositeEventTypeStrategy


1 /*
2  * $Header: /cvsroot/jdbforms/dbforms/src/org/dbforms/event/eventtype/CompositeEventTypeStrategy.java,v 1.6 2004/08/18 12:26:04 hkollmann Exp $
3  * $Revision: 1.6 $
4  * $Date: 2004/08/18 12:26:04 $
5  *
6  * DbForms - a Rapid Application Development Framework
7  * Copyright (C) 2001 Joachim Peer <joepeer@excite.com>
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23
24 package org.dbforms.event.eventtype;
25
26 import java.util.ArrayList JavaDoc;
27
28
29
30 //import org.apache.commons.logging.Log;\nimport org.apache.commons.logging.LogFactory;
31
32 /**
33  * Abstract composite EventTypeStrategy class.
34  *
35  * @author Luca Fossato
36  *
37  */
38 public abstract class CompositeEventTypeStrategy implements EventTypeStrategy {
39    /** the list of EventTypeStrategy objects */
40    protected ArrayList JavaDoc strategyList = new ArrayList JavaDoc();
41
42    /**
43     * Gets the child EventTypeStrategy having the input index
44     *
45     * @param index DOCUMENT ME!
46     *
47     * @return the child EventTypeStrategy having the input index
48     */
49    public EventTypeStrategy getChild(int index) {
50       return (EventTypeStrategy) strategyList.get(index);
51    }
52
53
54    /**
55     * Adds an EventTypeStrategy object to the Strategy list
56     *
57     * @param strategy the EventTypeStrategy object to add to
58     */
59    public void add(EventTypeStrategy strategy) {
60       strategyList.add(strategy);
61    }
62
63
64    /**
65     * Remove an EventTypeStrategy object to the Strategy list
66     *
67     * @param strategy the EventTypeStrategy object to remove to
68     *
69     * @return true if the object had removed from the list; false otherwise
70     */
71    public boolean remove(EventTypeStrategy strategy) {
72       return strategyList.remove(strategy);
73    }
74 }
75
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