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Java > Open Source Codes > org > alfresco > repo > domain > VersionCount


1 /*
2  * Copyright (C) 2005 Alfresco, Inc.
3  *
4  * Licensed under the Mozilla Public License version 1.1
5  * with a permitted attribution clause. You may obtain a
6  * copy of the License at
7  *
8  * http://www.alfresco.org/legal/license.txt
9  *
10  * Unless required by applicable law or agreed to in writing,
11  * software distributed under the License is distributed on an
12  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13  * either express or implied. See the License for the specific
14  * language governing permissions and limitations under the
15  * License.
16  */
17 package org.alfresco.repo.domain;
18
19 /**
20  * Represents a version count entity for a particular store.
21  *
22  * @author Derek Hulley
23  */
24 public interface VersionCount
25 {
26     /**
27      * @return Returns the key for the version counter
28      */
29     public StoreKey getKey();
30
31     /**
32      * @param key the key uniquely identifying this version counter
33      */
34     public void setKey(StoreKey key);
35     
36     /**
37      * Increments and returns the next version counter associated with this
38      * store.
39      *
40      * @return Returns the next version counter in the sequence
41      *
42      * @see #getVersionCount()
43      */
44     public int incrementVersionCount();
45     
46     /**
47      * Reset the store's version counter
48      */
49     public void resetVersionCount();
50     
51     /**
52      * Retrieve the current version counter
53      *
54      * @return Returns a current version counter
55      *
56      * @see #incrementVersionCount()
57      */
58     public int getVersionCount();
59 }
60
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