| author | chris <chris@marvin> |
| Tue, 20 Jan 2009 10:21:03 +0100 | |
| changeset 0 | f907866f0e4b |
| permissions | -rw-r--r-- |
| chris@0 | 1 |
/* |
| chris@0 | 2 |
* StarOffice News Server |
| chris@0 | 3 |
* see AUTHORS for the list of contributors |
| chris@0 | 4 |
* |
| chris@0 | 5 |
* This program is free software: you can redistribute it and/or modify |
| chris@0 | 6 |
* it under the terms of the GNU General Public License as published by |
| chris@0 | 7 |
* the Free Software Foundation, either version 3 of the License, or |
| chris@0 | 8 |
* (at your option) any later version. |
| chris@0 | 9 |
* |
| chris@0 | 10 |
* This program is distributed in the hope that it will be useful, |
| chris@0 | 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| chris@0 | 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| chris@0 | 13 |
* GNU General Public License for more details. |
| chris@0 | 14 |
* |
| chris@0 | 15 |
* You should have received a copy of the GNU General Public License |
| chris@0 | 16 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
| chris@0 | 17 |
*/ |
| chris@0 | 18 |
|
| chris@0 | 19 |
package com.so.news.storage; |
| chris@0 | 20 |
|
| chris@0 | 21 |
import java.util.Date; |
| chris@0 | 22 |
|
| chris@0 | 23 |
import com.so.news.Config; |
| chris@0 | 24 |
import com.so.news.Debug; |
| chris@0 | 25 |
|
| chris@0 | 26 |
/** |
| chris@0 | 27 |
* The purger is started in configurable intervals to search |
| chris@0 | 28 |
* for old messages that can be purged. |
| chris@0 | 29 |
* @author Christian Lins |
| chris@0 | 30 |
*/ |
| chris@0 | 31 |
public class Purger extends Thread |
| chris@0 | 32 |
{
|
| chris@0 | 33 |
private int interval; |
| chris@0 | 34 |
|
| chris@0 | 35 |
public Purger() |
| chris@0 | 36 |
{
|
| chris@0 | 37 |
setDaemon(true); // Daemons run only along with the main thread |
| chris@0 | 38 |
setPriority(Thread.MIN_PRIORITY); |
| chris@0 | 39 |
|
| chris@0 | 40 |
this.interval = Config.getInstance().get("n3tpd.article.lifetime", 30) * 24 * 60 * 60 * 1000; // Milliseconds
|
| chris@0 | 41 |
if(this.interval < 0) |
| chris@0 | 42 |
this.interval = Integer.MAX_VALUE; |
| chris@0 | 43 |
} |
| chris@0 | 44 |
|
| chris@0 | 45 |
/** |
| chris@0 | 46 |
* Runloop of this Purger class. |
| chris@0 | 47 |
*/ |
| chris@0 | 48 |
@Override |
| chris@0 | 49 |
public void run() |
| chris@0 | 50 |
{
|
| chris@0 | 51 |
for(;;) |
| chris@0 | 52 |
{
|
| chris@0 | 53 |
purge(); |
| chris@0 | 54 |
|
| chris@0 | 55 |
try |
| chris@0 | 56 |
{
|
| chris@0 | 57 |
sleep(interval); |
| chris@0 | 58 |
} |
| chris@0 | 59 |
catch(InterruptedException e) |
| chris@0 | 60 |
{
|
| chris@0 | 61 |
e.printStackTrace(Debug.getInstance().getStream()); |
| chris@0 | 62 |
} |
| chris@0 | 63 |
} |
| chris@0 | 64 |
} |
| chris@0 | 65 |
|
| chris@0 | 66 |
/** |
| chris@0 | 67 |
* Loops through all messages and deletes them if their time |
| chris@0 | 68 |
* has come. |
| chris@0 | 69 |
*/ |
| chris@0 | 70 |
private void purge() |
| chris@0 | 71 |
{
|
| chris@0 | 72 |
Debug.getInstance().log("Purging old messages...");
|
| chris@0 | 73 |
|
| chris@0 | 74 |
try |
| chris@0 | 75 |
{
|
| chris@0 | 76 |
for(;;) |
| chris@0 | 77 |
{
|
| chris@0 | 78 |
Article art = null; //Database.getInstance().getOldestArticle(); |
| chris@0 | 79 |
if(art == null) // No articles in the database |
| chris@0 | 80 |
break; |
| chris@0 | 81 |
|
| chris@0 | 82 |
if(art.getDate().getTime() < (new Date().getTime() + this.interval)) |
| chris@0 | 83 |
{
|
| chris@0 | 84 |
Database.getInstance().delete(art); |
| chris@0 | 85 |
Debug.getInstance().log("Deleted: " + art);
|
| chris@0 | 86 |
} |
| chris@0 | 87 |
else |
| chris@0 | 88 |
break; |
| chris@0 | 89 |
} |
| chris@0 | 90 |
} |
| chris@0 | 91 |
catch(Exception ex) |
| chris@0 | 92 |
{
|
| chris@0 | 93 |
ex.printStackTrace(); |
| chris@0 | 94 |
} |
| chris@0 | 95 |
} |
| chris@0 | 96 |
} |