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25 
26 package sun.jvmstat.perfdata.monitor;
27 
28 import sun.jvmstat.monitor.*;
29 import java.nio.ByteBuffer;
30 
31 /**
32  *
33  * Class for monitoring a variable PerfData String instrument.
34  * The current value of a variable string instrument changes over time.
35  *
36  * @author Brian Doherty
37  * @since 1.5
38  */
39 public class PerfStringVariableMonitor extends PerfStringMonitor {
40 
41     /**
42      * Constructor to create a StringMonitor object for the variable string
43      * instrument represented by the data in the given buffer.
44      *
45      * @param name the name of the string instrument
46      * @param supported support level indicator
47      * @param bb the buffer containing the string instrument data.
48      */
PerfStringVariableMonitor(String name, boolean supported, ByteBuffer bb)49     public PerfStringVariableMonitor(String name, boolean supported,
50                                      ByteBuffer bb) {
51         this(name, supported, bb, bb.limit());
52     }
53 
54     /**
55      * Constructor to create a StringMonitor object for the variable
56      * string instrument represented by the data in the given buffer.
57      *
58      * @param name the name of the string instrument
59      * @param bb the buffer containing the string instrument data.
60      * @param supported support level indicator
61      * @param maxLength the maximum length of the string data.
62      */
PerfStringVariableMonitor(String name, boolean supported, ByteBuffer bb, int maxLength)63     public PerfStringVariableMonitor(String name, boolean supported,
64                                      ByteBuffer bb, int maxLength) {
65         // account for the null terminator by adding 1 to maxLength
66         super(name, Variability.VARIABLE, supported, bb, maxLength+1);
67     }
68 }
69