Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
HierarchicalReloadableConfiguration |
|
| 1.25;1,25 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | package org.apache.commons.configuration; | |
18 | ||
19 | import org.apache.commons.configuration.reloading.Reloadable; | |
20 | ||
21 | /** | |
22 | * <p>A base class for hierarchical configurations with specific reloading | |
23 | * requirements.</p> | |
24 | * <p>This class manages a lock object which can be used for synchronization.</p> | |
25 | * | |
26 | * @author <a | |
27 | * href="http://commons.apache.org/configuration/team-list.html">Commons | |
28 | * Configuration team</a> | |
29 | * @since 1.7 | |
30 | * @version $Id: HierarchicalReloadableConfiguration.java 1210000 2011-12-03 20:43:38Z oheger $ | |
31 | */ | |
32 | public class HierarchicalReloadableConfiguration extends HierarchicalConfiguration | |
33 | implements Reloadable | |
34 | { | |
35 | /** Constant for the name used for the lock object. */ | |
36 | private static final String LOCK_NAME = "HierarchicalReloadableConfigurationLock"; | |
37 | ||
38 | /** The lock object used by this instance. */ | |
39 | private final Object reloadLock; | |
40 | ||
41 | /** | |
42 | * Creates a new instance of {@code HierarchicalReloadableConfiguration}. | |
43 | */ | |
44 | public HierarchicalReloadableConfiguration() | |
45 | { | |
46 | 87 | super(); |
47 | 87 | reloadLock = new Lock(LOCK_NAME); |
48 | 87 | } |
49 | ||
50 | /** | |
51 | * Creates a new instance of {@code HierarchicalReloadableConfiguration} and | |
52 | * initializes it with the given lock object. | |
53 | * | |
54 | * @param lock the lock object | |
55 | */ | |
56 | public HierarchicalReloadableConfiguration(Object lock) | |
57 | { | |
58 | 3842 | super(); |
59 | 3842 | reloadLock = lock == null ? new Lock(LOCK_NAME) : lock; |
60 | 3842 | } |
61 | ||
62 | /** | |
63 | * Creates a new instance of {@code HierarchicalReloadableConfiguration} and | |
64 | * copies all data contained in the specified configuration into the new | |
65 | * one. | |
66 | * | |
67 | * @param c the configuration that is to be copied (if <b>null</b>, this | |
68 | * constructor will behave like the standard constructor) | |
69 | */ | |
70 | public HierarchicalReloadableConfiguration(HierarchicalConfiguration c) | |
71 | { | |
72 | 0 | super(c); |
73 | 0 | reloadLock = new Lock(LOCK_NAME); |
74 | 0 | } |
75 | ||
76 | @Override | |
77 | public Object getReloadLock() | |
78 | { | |
79 | 44629 | return reloadLock; |
80 | } | |
81 | } |