1 /***
2 * @(#)TaskPersistStrategy.java
3 *
4 * JFoxSOAF, Service-Oriented Application Framework
5 *
6 * Copyright(c) JFoxSOAF Team
7 *
8 * Licensed under the GNU LGPL, Version 2.1 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.gnu.org/copyleft/lesser.html
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 *
20 * For more information, please visit:
21 * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
22 * http://www.huihoo.org/jfox/jfoxsoaf
23 */
24
25 package org.huihoo.jfox.soaf.services.timer;
26
27 /***
28 * <p>
29 * This interface is used by the TaskScheduler if we want to implement a
30 * strategy for persisting and reading task information.
31 * </p>
32 *
33 * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
34 * @author <a href="mailto:berkovichnyc@hotmail.com">Efraim Berkovich </a>
35 * @version $Revision: 1.1 $ $Date: 2005/05/22 06:52:07 $
36 * @version Revision: 1.0
37 */
38
39 public interface TaskPersistStrategy {
40
41 /***
42 * Write an individual task to storage.
43 *
44 * @exception Various possible depending on strategy e.g. IOException
45 */
46 public void write(Task task) throws Exception;
47
48 /***
49 * Delete an individual task from storage.
50 */
51 public void delete(Task task);
52
53 /***
54 * Delete all tasks in storage.
55 */
56 public void deleteAll();
57
58 /***
59 * Read all the tasks in storage
60 *
61 * @return array of Tasks
62 * @exception Various possible depending on strategy e.g. IOException
63 */
64 public Task[] readAll() throws Exception;
65
66 }