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Java > Open Source Codes > org > sape > carbon > services > perflog > PerformanceLogger


1 /*
2  * The contents of this file are subject to the Sapient Public License
3  * Version 1.0 (the "License"); you may not use this file except in compliance
4  * with the License. You may obtain a copy of the License at
5  * http://carbon.sf.net/License.html.
6  *
7  * Software distributed under the License is distributed on an "AS IS" basis,
8  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
9  * the specific language governing rights and limitations under the License.
10  *
11  * The Original Code is The Carbon Component Framework.
12  *
13  * The Initial Developer of the Original Code is Sapient Corporation
14  *
15  * Copyright (C) 2003 Sapient Corporation. All Rights Reserved.
16  */
17
18 package org.sape.carbon.services.perflog;
19
20 import org.sape.carbon.core.component.FunctionalInterface;
21
22 /**
23  * Standard interface for performance logging services.
24  *
25  * Copyright 2002 Sapient
26  * @since carbon 1.0
27  * @author Tim Fennell, May 2002
28  * @version $Revision: 1.5 $($Author: dvoet $ / $Date: 2003/05/05 21:21:31 $)
29  */
30 public interface PerformanceLogger extends FunctionalInterface {
31     /**
32      * Notifies the log a tracked object has started execution.
33      *
34      * @param trackedObject object being tracked.
35      */
36     void start(Object JavaDoc trackedObject);
37
38     /**
39      * Notifies the log a tracked object has completed execution.
40      *
41      * @param trackedObject object being tracked.
42      * @return the time the trackedObject took to execute
43      */
44     long end(Object JavaDoc trackedObject);
45 }
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