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Java > Open Source Codes > org > apache > jetspeed > cache > FileCacheEntry


1 /*
2  * Copyright 2000-2001,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.jetspeed.cache;
18
19 import java.util.Date JavaDoc;
20 import java.io.File JavaDoc;
21
22 /**
23  * FileCache entry keeps the cached content along with last access information.
24  *
25  * @author David S. Taylor <a HREF="mailto:taylor@apache.org">David Sean Taylor</a>
26  * @version $Id: FileCacheEntry.java,v 1.3 2004/02/23 02:46:05 jford Exp $
27  */
28
29 public class FileCacheEntry
30 {
31     protected File JavaDoc file;
32     protected Object JavaDoc document;
33
34     protected long lastAccessed;
35     protected Date JavaDoc lastModified;
36
37     private FileCacheEntry()
38     {
39     }
40
41     /**
42      * Constructs a FileCacheEntry object
43      *
44      * @param document The user specific content being cached
45      * @param lastModified The document's last modified stamp
46      */
47     public FileCacheEntry(File JavaDoc file, Object JavaDoc document)
48     {
49         this.file = file;
50         this.document = document;
51         this.lastModified = new Date JavaDoc(file.lastModified());
52         this.lastAccessed = new Date JavaDoc().getTime();
53     }
54
55     /**
56      * Get the file descriptor
57      *
58      * @return the file descriptor
59      */
60     public File JavaDoc getFile()
61     {
62         return this.file;
63     }
64
65     /**
66      * Set the file descriptor
67      *
68      * @param file the new file descriptor
69      */
70     public void setFile(File JavaDoc file)
71     {
72         this.file = file;
73     }
74
75     /**
76      * Set the cache's last accessed stamp
77      *
78      * @param lastAccessed the cache's last access stamp
79      */
80     public void setLastAccessed(long lastAccessed)
81     {
82         this.lastAccessed = lastAccessed;
83     }
84
85     /**
86      * Get the cache's lastAccessed stamp
87      *
88      * @return the cache's last accessed stamp
89      */
90     public long getLastAccessed()
91     {
92         return this.lastAccessed;
93     }
94
95     /**
96      * Set the cache's last modified stamp
97      *
98      * @param lastModified the cache's last modified stamp
99      */
100     public void setLastModified(Date JavaDoc lastModified)
101     {
102         this.lastModified = lastModified;
103     }
104
105     /**
106      * Get the entry's lastModified stamp (which may be stale compared to file's stamp)
107      *
108      * @return the last modified stamp
109      */
110     public Date JavaDoc getLastModified()
111     {
112         return this.lastModified;
113     }
114
115     /**
116      * Set the Document in the cache
117      *
118      * @param document the document being cached
119      */
120     public void setDocument(Object JavaDoc document)
121     {
122         this.document = document;
123     }
124
125     /**
126      * Get the Document
127      *
128      * @return the document being cached
129      */
130     public Object JavaDoc getDocument()
131     {
132         return this.document;
133     }
134
135 }
136
137
138
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