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Java > Open Source Codes > com > sun > slamd > example > ReplicaLatencyCheckJobClass


1 /*
2  * Sun Public License
3  *
4  * The contents of this file are subject to the Sun Public License Version
5  * 1.0 (the "License"). You may not use this file except in compliance with
6  * the License. A copy of the License is available at http://www.sun.com/
7  *
8  * The Original Code is the SLAMD Distributed Load Generation Engine.
9  * The Initial Developer of the Original Code is Neil A. Wilson.
10  * Portions created by Neil A. Wilson are Copyright (C) 2004.
11  * Some preexisting portions Copyright (C) 2002-2004 Sun Microsystems, Inc.
12  * All Rights Reserved.
13  *
14  * Contributor(s): Neil A. Wilson
15  */
16 package com.sun.slamd.example;
17
18
19
20 import com.sun.slamd.job.*;
21 import com.sun.slamd.stat.*;
22
23
24
25 /**
26  * This class defines a generic type of job class that may be used in checking
27  * latency associated with replicated operations. It merely defines a few
28  * additional attributes that are expected to be present in subclasses that can
29  * be accessed by the threads that perform the work of checking the latency.
30  *
31  *
32  * @author Neil A. Wilson
33  */
34 public abstract class ReplicaLatencyCheckJobClass
35        extends JobClass
36 {
37   // The stat tracker that is used to categorize the latencies by second.
38 protected CategoricalTracker latencyCategories;
39
40   // The mutex used to help in the latency timing.
41 protected Object JavaDoc latencyCheckMutex;
42
43   // The stat tracker that is used to determine how much time passes between a
44 // change occurs on a master and the change appears in a consumer.
45 protected TimeTracker latencyTime;
46 }
47
48
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