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Java > Open Source Codes > org > apache > avalon > excalibur > command > RepeatedCommand


1 /*
2  * Copyright (C) The Apache Software Foundation. All rights reserved.
3  *
4  * This software is published under the terms of the Apache Software License
5  * version 1.1, a copy of which has been included with this distribution in
6  * the LICENSE.txt file.
7  */
8 package org.apache.avalon.excalibur.command;
9
10 /**
11  * A Signal is a specific type of QueueElement that denotes a Control code for
12  * the Queue system.
13  *
14  * @author <a HREF="mailto:bloritsch@apache.org">Berin Loritsch</a>
15  */
16 public interface RepeatedCommand extends DelayedCommand
17 {
18     /**
19      * If the value is less than 1 (0 or negative), the command repeats for as
20      * long as the CommandManager is running. If the value is above 0, the Command
21      * repeats only for that specific amount of times before it is removed from
22      * the system.
23      */
24     int getNumberOfRepeats();
25
26     /**
27      * Gets the repeat interval so that the CommandQueue keeps it for the specified
28      * amount of time before enqueuing it again. This value must not be negative.
29      */
30     long getRepeatInterval();
31 }
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