sun.jvmstat.perfdata.monitor.protocol.file
Class PerfDataBuffer

java.lang.Object
  sun.jvmstat.perfdata.monitor.AbstractPerfDataBuffer
      sun.jvmstat.perfdata.monitor.protocol.file.PerfDataBuffer

public class PerfDataBuffer
extends AbstractPerfDataBuffer

The concrete PerfDataBuffer implementation for the file: protocol for the HotSpot PerfData monitoring implemetation.

This class is responsible for acquiring access to the instrumentation buffer stored in a file referenced by a file URI.

Since:

1.5

Field Summary

Fields inherited from class sun.jvmstat.perfdata.monitor.AbstractPerfDataBuffer

impl

Constructor Summary

PerfDataBuffer(VmIdentifier vmid)
Create a PerfDataBuffer instance for accessing the specified instrumentation buffer.

Method Summary

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

createPerfDataBuffer, findByName, findByPattern, getByteBuffer, getBytes, getCapacity, getLocalVmId, getMonitorStatus

Methods inherited from class java.lang.Object

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

Constructor Detail

PerfDataBuffer

public PerfDataBuffer(VmIdentifier vmid)
               throws MonitorException

Create a PerfDataBuffer instance for accessing the specified instrumentation buffer.

Parameters:

vmid - the file: URI to the instrumentation buffer file

Throws:

MonitorException