Java Doc for PerfByteArrayMonitor.java in  » 6.0-JDK-Modules-sun » jvmstat » sun » jvmstat » perfdata » monitor » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules sun » jvmstat » sun.jvmstat.perfdata.monitor 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   sun.jvmstat.monitor.AbstractMonitor
      sun.jvmstat.perfdata.monitor.PerfByteArrayMonitor

All known Subclasses:   sun.jvmstat.perfdata.monitor.PerfStringMonitor,
PerfByteArrayMonitor
public class PerfByteArrayMonitor extends AbstractMonitor implements ByteArrayMonitor(Code)
Class for monitoring a PerfData Byte Array instrumentation object. This class is provided to support the PerfStringMonitor classes. Instrumentation objects of this direct type currently cannot be created or monitored.
author:
   Brian Doherty
version:
   1.8, 05/05/07
since:
   1.5
See Also:   sun.jvmstat.instrument.ByteArrayInstrument


Field Summary
 ByteBufferbb
     The buffer containing the data for the byte array instrument.

Constructor Summary
public  PerfByteArrayMonitor(String name, Units u, Variability v, boolean supported, ByteBuffer bb, int vectorLength)
     Constructor to create a ByteArrayMonitor for the byte array instrument represented by the data in the given buffer.

Method Summary
public  byte[]byteArrayValue()
     Get a copy of the elements of the byte array instrument.
public  bytebyteAt(int index)
     Get the current value of an element of the byte array instrument.
public  intgetMaximumLength()
     Get the maximum length of the byte array for this byte array instrument.
public  ObjectgetValue()
     The object returned contains a byte[] with a copy of the current elements of the ByteArrayInstrument. Object - a copy of the current value of the elements of thebyte array instrument.

Field Detail
bb
ByteBuffer bb(Code)
The buffer containing the data for the byte array instrument.




Constructor Detail
PerfByteArrayMonitor
public PerfByteArrayMonitor(String name, Units u, Variability v, boolean supported, ByteBuffer bb, int vectorLength)(Code)
Constructor to create a ByteArrayMonitor for the byte array instrument represented by the data in the given buffer.
Parameters:
  name - the name of the instrumentation object
Parameters:
  u - the units of measure attribute
Parameters:
  v - the variability attribute
Parameters:
  supported - support level indicator
Parameters:
  bb - the buffer containing the byte array instrument data
Parameters:
  vectorLength - the length of the vector.




Method Detail
byteArrayValue
public byte[] byteArrayValue()(Code)
Get a copy of the elements of the byte array instrument. byte[] - a copy of the current value of the elements of thebyte array instrument.



byteAt
public byte byteAt(int index)(Code)
Get the current value of an element of the byte array instrument. byte - a copy of the current value of the element at indexindex of the byte array instrument.



getMaximumLength
public int getMaximumLength()(Code)
Get the maximum length of the byte array for this byte array instrument. int - the maximum length of the byte array.



getValue
public Object getValue()(Code)
The object returned contains a byte[] with a copy of the current elements of the ByteArrayInstrument. Object - a copy of the current value of the elements of thebyte array instrument. The return type is guaranteedto be of type byte[].



Fields inherited from sun.jvmstat.monitor.AbstractMonitor
protected String name(Code)(Java Doc)
protected boolean supported(Code)(Java Doc)
protected Units units(Code)(Java Doc)
protected Variability variability(Code)(Java Doc)
protected int vectorLength(Code)(Java Doc)

Methods inherited from sun.jvmstat.monitor.AbstractMonitor
public String getBaseName()(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public Units getUnits()(Code)(Java Doc)
abstract public Object getValue()(Code)(Java Doc)
public Variability getVariability()(Code)(Java Doc)
public int getVectorLength()(Code)(Java Doc)
public boolean isSupported()(Code)(Java Doc)
public boolean isVector()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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