01: /*
02:
03: Derby - Class org.apache.derby.impl.store.raw.data.PageVersion
04:
05: Licensed to the Apache Software Foundation (ASF) under one or more
06: contributor license agreements. See the NOTICE file distributed with
07: this work for additional information regarding copyright ownership.
08: The ASF licenses this file to you under the Apache License, Version 2.0
09: (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: private long pageNumber;
32: private long pageVersion;
33:
34: public PageVersion(long number, long version) {
35: pageNumber = number;
36: pageVersion = version;
37: }
38:
39: public long getPageVersion() {
40: return pageVersion;
41: }
42:
43: public long getPageNumber() {
44: return pageNumber;
45: }
46:
47: public void setPageVersion(long pageVersion) {
48: this .pageVersion = pageVersion;
49: }
50:
51: public void setPageNumber(long pageNumber) {
52: this.pageNumber = pageNumber;
53: }
54:
55: }
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