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Java > Open Source Codes > org > continuent > sequoia > common > log > StaticNoDebugLogger


1 /**
2  * Sequoia: Database clustering technology.
3  * Copyright (C) 2002-2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Contact: sequoia@continuent.org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  * Initial developer(s): Emmanuel Cecchet.
20  * Contributor(s): __________________.
21  */
22
23 package org.continuent.sequoia.common.log;
24
25 import org.apache.log4j.Logger;
26
27 /**
28  * This is a wrapper where debug logging has been statically disabled. It
29  * should improve the performance if one wants to completely disable debug
30  * traces.
31  *
32  * @author <a HREF="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet</a>
33  * @version 1.0
34  */
35 public class StaticNoDebugLogger extends Trace
36 {
37
38   /**
39    * Creates a new <code>StaticNoDebugLogger</code> object from a given log4j
40    * <code>Logger</code>.
41    *
42    * @param log4jLogger the log4j <code>Logger</code>
43    */
44   public StaticNoDebugLogger(Logger log4jLogger)
45   {
46     super(log4jLogger);
47   }
48
49   /**
50    * This method is overriden with an empty body.
51    *
52    * @see Trace#debug(Object, Throwable)
53    */
54   public void debug(Object JavaDoc message, Throwable JavaDoc t)
55   {
56   }
57
58   /**
59    * This method is overriden with an empty body.
60    *
61    * @see Trace#debug(Object)
62    */
63   public void debug(Object JavaDoc message)
64   {
65   }
66
67   /**
68    * @return <code>false</code>
69    * @see org.continuent.sequoia.common.log.Trace#isDebugEnabled()
70    */
71   public boolean isDebugEnabled()
72   {
73     return false;
74   }
75
76 }
77
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