Package kieker.monitoring.sampler.mxbean

Class AbstractMXBeanSampler

java.lang.Object

kieker.monitoring.sampler.mxbean.AbstractMXBeanSampler

All Implemented Interfaces:

ISampler

Direct Known Subclasses:

ClassLoadingSampler, CompilationSampler, GCSampler, MemorySampler, ThreadsStatusSampler, UptimeSampler

public abstract class AbstractMXBeanSampler
extends Object
implements ISampler

This is an abstract base for all sampler using the MXBean interface to access information from the JVM.

Since:

1.10

Author:

Nils Christian Ehmke

Constructor Summary

Constructors

Constructor	Description
AbstractMXBeanSampler()	Empty constructor.

Method Summary

Modifier and Type	Method	Description
protected abstract IMonitoringRecord[]	createNewMonitoringRecords(long timestamp, String hostname, String vmName, IMonitoringController monitoringCtr)	Abstract method used as interface to realize concrete samplers.
final void	sample(IMonitoringController monitoringController)	Perform one measurement with potential multiple records.

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractMXBeanSampler

public AbstractMXBeanSampler()

Empty constructor.

Method Details

sample

public final void sample(IMonitoringController monitoringController)
                  throws Exception

Perform one measurement with potential multiple records.

Specified by:

sample in interface ISampler

Parameters:

monitoringController - The monitoring controller for this probe.

Throws:

Exception - depending on the concrete sampler different exceptions can be raised

createNewMonitoringRecords

protected abstract IMonitoringRecord[] createNewMonitoringRecords(long timestamp,
 String hostname,
 String vmName,
 IMonitoringController monitoringCtr)

Abstract method used as interface to realize concrete samplers.

Parameters:

timestamp - the current time.

hostname - the hostname of the machine where this measurement is performed

vmName - name of the vm

monitoringCtr - monitoring controller used in the measurement

Returns:

returns an array of records containing the measurement