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Java > Open Source Codes > javax > jcr > lock > Lock


1 /*
2  * $Id: Lock.java,v 1.2 2004/07/24 00:16:22 benjmestrallet Exp $
3  *
4  * Copyright 2002-2004 Day Management AG, Switzerland.
5  *
6  * Licensed under the Day RI License, Version 2.0 (the "License"),
7  * as a reference implementation of the following specification:
8  *
9  * Content Repository API for Java Technology, revision 0.12
10  * <http://www.jcp.org/en/jsr/detail?id=170>
11  *
12  * You may not use this file except in compliance with the License.
13  * You may obtain a copy of the License files at
14  *
15  * http://www.day.com/content/en/licenses/day-ri-license-2.0
16  * http://www.apache.org/licenses/LICENSE-2.0
17  *
18  * Unless required by applicable law or agreed to in writing, software
19  * distributed under the License is distributed on an "AS IS" BASIS,
20  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21  * See the License for the specific language governing permissions and
22  * limitations under the License.
23  */

24 package javax.jcr.lock;
25
26 import javax.jcr.Item;
27
28
29 /**
30  * Represents a lock placed on an item.
31  * <p/>
32  * <b>Level 2 only</b>
33  * <p/>
34  * A lock is associated with an item and a user (not a ticket)
35  *
36  * @author Peeter Piegaze
37  */

38 public interface Lock {
39
40   /**
41    * Returns the user ID of the user who has this lock.
42    *
43    * @return a user ID.
44    */

45   public String JavaDoc getOwner();
46
47   /**
48    * Returns the type of this lock. This standard specifies only one
49    * type of lock: <code>LockType.WRITE_LOCK</code> though more can be
50    * supported by a specific JCR implementation.
51    *
52    * @return the type of this lock.
53    * @see LockCapabilities#getSupportedLockTypes
54    * @see LockType
55    */

56   public int getType();
57
58   /**
59    * Returns <code>true</code> if this lock is a shared lock.
60    *
61    * @return <code>true</code> if this is a shered lock, <code>false</code>
62    * otherwise.
63    */

64   public boolean isShared();
65
66   /**
67    * Returns the locked item.
68    *
69    * @return an <code>Item</code>.
70    */

71   public Item getItem();
72 }
73
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