1 /*
2 * Copyright 2008-2010 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package de.smartics.maven.issues.cache;
18
19 import org.eclipse.mylyn.tasks.core.data.TaskData;
20
21 /**
22 * Interface to handle the persistency of task data information.
23 *
24 * @author <a href="mailto:robert.reiner@smartics.de">Robert Reiner</a>
25 * @version $Revision:591 $
26 */
27 public interface TaskDataStore
28 {
29 // ********************************* Fields *********************************
30
31 // --- constants ------------------------------------------------------------
32
33 // ****************************** Initializer *******************************
34
35 // ****************************** Inner Classes *****************************
36
37 // ********************************* Methods ********************************
38
39 // --- get&set --------------------------------------------------------------
40
41 // --- business -------------------------------------------------------------
42
43 /**
44 * Persists the task information.
45 *
46 * @param task the task information to persist.
47 * @throws PersistenceException if the task cannot be persisted.
48 */
49 void persist(TaskData task) throws PersistenceException;
50
51 /**
52 * Retrieves the task information.
53 *
54 * @param id the unique identifier of the task information.
55 * @return the requested task information with the given identifier or
56 * <code>null</code> if no task data is stored for the given
57 * identifier.
58 * @throws PersistenceException if the task information cannot be retrieved.
59 */
60 TaskData load(String id) throws PersistenceException;
61
62 // --- object basics --------------------------------------------------------
63
64 }