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Java > Open Source Codes > org > apache > derby > impl > store > raw > data > PageVersion


1 /*
2
3    Derby - Class org.apache.derby.impl.store.raw.data.PageVersion
4
5    Licensed to the Apache Software Foundation (ASF) under one or more
6    contributor license agreements. See the NOTICE file distributed with
7    this work for additional information regarding copyright ownership.
8    The ASF licenses this file to you under the Apache License, Version 2.0
9    (the "License"); you may not use this file except in compliance with
10    the License. You may obtain a copy of the License at
11
12       http://www.apache.org/licenses/LICENSE-2.0
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  */

21
22 package org.apache.derby.impl.store.raw.data;
23
24 import org.apache.derby.iapi.store.raw.PageTimeStamp;
25
26 /**
27     A per page version number is one way to implement a page time stamp
28 */

29
30 public class PageVersion implements PageTimeStamp
31 {
32     private long pageNumber;
33     private long pageVersion;
34
35     public PageVersion(long number, long version)
36     {
37         pageNumber = number;
38         pageVersion = version;
39     }
40
41     public long getPageVersion()
42     {
43         return pageVersion;
44     }
45
46     public long getPageNumber()
47     {
48         return pageNumber;
49     }
50
51     public void setPageVersion(long pageVersion)
52     {
53         this.pageVersion = pageVersion;
54     }
55
56     public void setPageNumber(long pageNumber)
57     {
58         this.pageNumber = pageNumber;
59     }
60
61 }
62
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