sun.jvmstat.perfdata.monitor

Class PerfStringMonitor

java.lang.Object

sun.jvmstat.monitor.AbstractMonitor

sun.jvmstat.perfdata.monitor.PerfByteArrayMonitor

sun.jvmstat.perfdata.monitor.PerfStringMonitor

All Implemented Interfaces:

ByteArrayMonitor, Monitor, StringMonitor

Direct Known Subclasses:

PerfStringConstantMonitor, PerfStringVariableMonitor

public class PerfStringMonitor
extends PerfByteArrayMonitor
implements StringMonitor

Class for monitoring a PerfData String instrument.

Since:

1.5

Author:

Brian Doherty

Field Summary

Fields inherited from class sun.jvmstat.monitor.AbstractMonitor

name, supported, units, variability, vectorLength

Constructor Summary

Constructors

Constructor and Description
PerfStringMonitor(String name, Variability v, boolean supported, ByteBuffer bb) Constructor to create a StringMonitor object for the string instrument represented by the data in the given buffer.
PerfStringMonitor(String name, Variability v, boolean supported, ByteBuffer bb, int maxLength) Constructor to create a StringMonitor object for the string instrument represented by the data in the given buffer.

Method Summary

Modifier and Type	Method and Description
Object	getValue() Return an Object that encapsulates this instrumentation object's current data value.
String	stringValue() Return the current value of the StringInstrument as a String.

Methods inherited from class sun.jvmstat.perfdata.monitor.PerfByteArrayMonitor

byteArrayValue, byteAt, getMaximumLength

Methods inherited from class sun.jvmstat.monitor.AbstractMonitor

getBaseName, getName, getUnits, getVariability, getVectorLength, isSupported, isVector

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface sun.jvmstat.monitor.Monitor

getBaseName, getName, getUnits, getVariability, getVectorLength, isSupported, isVector

Constructor Detail

PerfStringMonitor

public PerfStringMonitor(String name,
                         Variability v,
                         boolean supported,
                         ByteBuffer bb)

Constructor to create a StringMonitor object for the string instrument represented by the data in the given buffer.

Parameters:

name - the name of the string instrument

v - the variability attribute

supported - support level indicator

bb - the buffer containing the string instrument data.

PerfStringMonitor

public PerfStringMonitor(String name,
                         Variability v,
                         boolean supported,
                         ByteBuffer bb,
                         int maxLength)

Constructor to create a StringMonitor object for the string instrument represented by the data in the given buffer.

Parameters:

name - the name of the string instrument

v - the variability attribute

supported - support level indicator

bb - the buffer containing the string instrument data.

maxLength - the maximum length of the string data.

Method Detail

getValue

public Object getValue()

Return an Object that encapsulates this instrumentation object's current data value. The object returned contains a byte[] with a copy of the current elements of the ByteArrayInstrument. The object returned contains a String with a copy of the current value of the StringInstrument.

Specified by:

getValue in interface Monitor

Overrides:

getValue in class PerfByteArrayMonitor

Returns:

Object - a copy of the current value of the StringInstrument. The return value is guaranteed to be of type String.

stringValue

public String stringValue()

Return the current value of the StringInstrument as a String.

Specified by:

stringValue in interface StringMonitor

Returns:

String - a copy of the current value of the StringInstrument.