jrunx.metrics
Interface MetricsServiceMBean

All Superinterfaces:

java.io.Serializable, Service, ServiceMBean

All Known Subinterfaces:

Metrics

public interface MetricsServiceMBean

extends ServiceMBean

The MBean interface for the metrics container.

Author:

Karl Moss

Fields inherited from interface jrunx.kernel.Service

INITIALIZED, STARTED, STARTING, STOPPED, STOPPING, UNINITIALIZED

Method Summary

int	getHistorySize() Gets the current size of the metrics history buffer
int	getInitialSize() Gets the initial size of the metrics array
Metrics	getMetricsService() Convenience method for returning a reference to the current object instance.
void	setHistorySize(int size) Sets the size of the metrics history buffer.
void	setInitialSize(int size) Sets the initial size of the metrics array.

Methods inherited from interface jrunx.kernel.ServiceMBean

bind, getBindToJNDI, getDeactivated, getDomainName, getJRunService, getLogger, getName, getParentService, getServerName, requestServer, setBindToJNDI, setDeactivated, setDomainName, setName, setParentService, unbind

Methods inherited from interface jrunx.kernel.Service

destroy, getStatus, init, start, stop, updateStatus

Method Detail

getHistorySize

public int getHistorySize()

Gets the current size of the metrics history buffer

Returns:

The size of the buffer

setHistorySize

public void setHistorySize(int size)

Sets the size of the metrics history buffer. The default is 10.

Parameters:

size - The size of the buffer

getInitialSize

public int getInitialSize()

Gets the initial size of the metrics array

Returns:

The size of the metrics array

setInitialSize

public void setInitialSize(int size)

Sets the initial size of the metrics array. The default is 100.

Parameters:

size - The size of the metrics array

getMetricsService

public Metrics getMetricsService()

Convenience method for returning a reference to the current object instance. There is no way using JMX to directly reference an object (you must make method calls via invoke). Since this would incur additional overhead, and metrics gathering should be as non-obtrusive as possible, this method allows you direct access to the metrics service.