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Java > Open Source Codes > org > snmp4j > util > SchedulerTask


1 /*_############################################################################
2   _##
3   _## SNMP4J - SchedulerTask.java
4   _##
5   _## Copyright 2003-2007 Frank Fock and Jochen Katz (SNMP4J.org)
6   _##
7   _## Licensed under the Apache License, Version 2.0 (the "License");
8   _## you may not use this file except in compliance with the License.
9   _## You may obtain a copy of the License at
10   _##
11   _## http://www.apache.org/licenses/LICENSE-2.0
12   _##
13   _## Unless required by applicable law or agreed to in writing, software
14   _## distributed under the License is distributed on an "AS IS" BASIS,
15   _## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   _## See the License for the specific language governing permissions and
17   _## limitations under the License.
18   _##
19   _##########################################################################*/
20
21
22 package org.snmp4j.util;
23
24 /**
25  * The <code>SchedulerTask</code> extends the <code>Runnable</code> interface
26  * by methods that are needed for recurrent execution of a task.
27  *
28  * @author Frank Fock
29  * @version 1.6
30  * @since 1.6
31  */
32 public interface SchedulerTask extends Runnable JavaDoc {
33
34   /**
35    * Checks whether this task is ready to be executed. A task is
36    * @return
37    * <code>true</code> if this task can be executed now.
38    */
39   boolean isReadyToRun();
40
41   /**
42    * Returns <code>true</code> if this task is finished and should never be
43    * executed again.
44    * @return
45    * <code>true</code> if this task is finished and cannot be executed
46    * anymore.
47    */
48   boolean isDone();
49
50 }
51
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