1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
*
* Derby - Class org.apache.derbyTesting.system.mailjdbc.tasks.Backup
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
*/
package org.apache.derbyTesting.system.mailjdbc.tasks;
/**
* This class is used to do the back up activity and inline compression
*/
import java.sql.Connection;
import org.apache.derbyTesting.system.mailjdbc.MailJdbc;
import org.apache.derbyTesting.system.mailjdbc.utils.DbTasks;
import org.apache.derbyTesting.system.mailjdbc.utils.LogFile;
public class Backup extends Thread{
private boolean isRunning = false;
private DbTasks dbtasks = new DbTasks();
private Connection conn = null;
public Backup(String name)throws Exception{
setName(name);
//After fix of Derby-1062 only owner can perform backup
//Please refer Derby-4295
//conn = DbTasks.getConnection("BACKUP", "Backup");
conn = DbTasks.getConnection("REFRESH", "Refresh");
}
public void run() {
try {
while (true) {
doWork();
try {
Thread.sleep(150000);
} catch (InterruptedException ie) {
MailJdbc.logAct.logMsg("#### " + getName()
+ "...Interrupted");
}
}
} catch (Exception e) {
e.printStackTrace();
MailJdbc.logAct.logMsg(LogFile.ERROR
+ "Error while sleeping the thread in Backup: "
+ e.getMessage());
}
}
//Notifies backup thread is active and then does compress and takes Backup
private void doWork() {
isRunning = true;
try {
DoCompress();
DoBackup();
} catch (Exception e) {
MailJdbc.logAct.logMsg(LogFile.ERROR
+ "Error while doing work with the thread in Backup: "
+ e.getMessage());
e.printStackTrace();
}
}
public void DoCompress() throws Exception{
dbtasks.compressTable(conn, "INBOX", this.getName());
dbtasks.compressTable(conn, "ATTACH", this.getName());
}
public void DoBackup() throws Exception{
dbtasks.Backup(conn, this.getName());
}
public boolean isRunning() {
return isRunning;
}
}
|
