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Java > Open Source Codes > org > objectweb > cjdbc > console > text > commands > dbadmin > EnableWrite


1 /**
2  * C-JDBC: Clustered JDBC.
3  * Copyright (C) 2002-2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Contact: c-jdbc@objectweb.org
6  *
7  * This library is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU Lesser General Public License as published by the
9  * Free Software Foundation; either version 2.1 of the License, or any later
10  * version.
11  *
12  * This library is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20  *
21  * Initial developer(s): Nicolas Modrzyk.
22  * Contributor(s): ______________________.
23  */
24
25 package org.objectweb.cjdbc.console.text.commands.dbadmin;
26
27 import java.util.StringTokenizer JavaDoc;
28
29 import org.objectweb.cjdbc.common.i18n.ConsoleTranslate;
30 import org.objectweb.cjdbc.common.jmx.mbeans.DatabaseBackendMBean;
31 import org.objectweb.cjdbc.common.jmx.mbeans.VirtualDatabaseMBean;
32 import org.objectweb.cjdbc.console.text.ConsoleException;
33 import org.objectweb.cjdbc.console.text.module.VirtualDatabaseAdmin;
34
35 /**
36  * This class defines a EnableWrite
37  *
38  * @author <a HREF="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk</a>
39  * @version 1.0
40  */
41 public class EnableWrite extends AbstractAdminCommand
42 {
43
44   /**
45    * Creates a new <code>EnableWrite</code> object
46    *
47    * @param module owning module
48    */
49   public EnableWrite(VirtualDatabaseAdmin module)
50   {
51     super(module);
52   }
53
54   /**
55    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#parse(java.lang.String)
56    */
57   public void parse(String JavaDoc commandText) throws Exception JavaDoc
58   {
59     StringTokenizer JavaDoc st = new StringTokenizer JavaDoc(commandText);
60     if (st.countTokens() != 1)
61       throw new ConsoleException(ConsoleTranslate
62           .get("console.error.invalid.comment.argument"));
63     String JavaDoc backendName = st.nextToken();
64     console.println(ConsoleTranslate.get("admin.command.enable.write.echo",
65         backendName));
66     VirtualDatabaseMBean vdjc = jmxClient.getVirtualDatabaseProxy(dbName, user,
67         password);
68     DatabaseBackendMBean mbean = jmxClient.getDatabaseBackendProxy(dbName,
69         backendName, user, password);
70     if(vdjc.hasRecoveryLog())
71     {
72       if(mbean.isWriteEnabled())
73         return;
74         vdjc.enableBackendFromCheckpoint(backendName);
75     }
76     else
77     {
78       mbean.enableWrite();
79     }
80       
81
82   }
83   
84   /**
85    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#getCommandName()
86    */
87   public String JavaDoc getCommandName()
88   {
89     return "enableWrite";
90   }
91
92   /**
93    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#getCommandDescription()
94    */
95   public String JavaDoc getCommandDescription()
96   {
97     return ConsoleTranslate.get("admin.command.enable.write");
98   }
99
100   /**
101    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#getCommandParameters()
102    */
103   public String JavaDoc getCommandParameters()
104   {
105     return "<backendName>";
106   }
107
108 }
109
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