Class JmxMonitor

java.lang.Object

services.moleculer.monitor.Monitor

services.moleculer.monitor.JmxMonitor

public class JmxMonitor
extends Monitor

JMX-based System Monitor (queries the "SystemCpuLoad" attribute of the operating-system MXBean).

Field Summary

Fields

Modifier and Type	Field	Description
protected ObjectName	name
protected MBeanServer	server

Fields inherited from class Monitor

cachedCPU, cachedPID, cacheTimeout, cpuDetectedAt, invalidMonitor, logger

Constructor Summary

Constructors

Constructor	Description
JmxMonitor()

Method Summary

Modifier and Type	Method	Description
protected long	detectPID()	Returns the system CPU usage, in percents, between 0 and 100.
protected int	detectTotalCpuPercent()	Returns the system CPU usage, in percents, between 0 and 100.

Methods inherited from class Monitor

getPID, getTotalCpuPercent

Methods inherited from class Object

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

Field Details

server

protected MBeanServer server

name

protected ObjectName name

Constructor Details

JmxMonitor

public JmxMonitor()

Method Details

detectTotalCpuPercent

protected int detectTotalCpuPercent()
                             throws Exception

Returns the system CPU usage, in percents, between 0 and 100.

Specified by:

detectTotalCpuPercent in class Monitor

Returns:

total CPU usage of the current OS

Throws:

Exception - any I/O or missing DLL exception

detectPID

protected long detectPID()
                  throws Exception

Returns the system CPU usage, in percents, between 0 and 100.

Specified by:

detectPID in class Monitor

Returns:

total CPU usage of the current OS

Throws:

Exception - any I/O or missing DLL exception