org.rhq.plugins.hadoop
Class HadoopServiceComponent

java.lang.Object
  org.rhq.plugins.jmx.JMXServerComponent
      org.rhq.plugins.hadoop.HadoopServiceComponent

All Implemented Interfaces:

AvailabilityFacet, ResourceComponent, MeasurementFacet, OperationFacet, JMXComponent

public class HadoopServiceComponent
extends JMXServerComponent
implements JMXComponent, ResourceComponent, MeasurementFacet, OperationFacet

Field Summary

Fields inherited from interface org.rhq.plugins.jmx.JMXComponent

CREDENTIALS_CONFIG_PROP, PRINCIPAL_CONFIG_PROP

Constructor Summary

HadoopServiceComponent()

Method Summary

org.rhq.core.domain.measurement.AvailabilityType	getAvailability() Return availability of this resource
org.mc4j.ems.connection.EmsConnection	getEmsConnection()
void	getValues(org.rhq.core.domain.measurement.MeasurementReport report, Set<org.rhq.core.domain.measurement.MeasurementScheduleRequest> metrics) Gather measurement data
OperationResult	invokeOperation(String name, org.rhq.core.domain.configuration.Configuration params) Invokes the passed operation on the managed resource
void	start(ResourceContext context) Start the resource connection
void	startOperationFacet(OperationContext context)
void	stop() Tear down the resource connection

Methods inherited from class org.rhq.plugins.jmx.JMXServerComponent

getResourceContext, internalStart

Methods inherited from class java.lang.Object

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

Constructor Detail

HadoopServiceComponent

public HadoopServiceComponent()

Method Detail

getAvailability

public org.rhq.core.domain.measurement.AvailabilityType getAvailability()

Return availability of this resource

Specified by:

getAvailability in interface AvailabilityFacet

Overrides:

getAvailability in class JMXServerComponent

See Also:

AvailabilityFacet.getAvailability()

start

public void start(ResourceContext context)
           throws InvalidPluginConfigurationException,
                  Exception

Start the resource connection

Specified by:

start in interface ResourceComponent

Overrides:

start in class JMXServerComponent

Throws:

InvalidPluginConfigurationException

Exception

See Also:

ResourceComponent.start(org.rhq.core.pluginapi.inventory.ResourceContext)

stop

public void stop()

Tear down the resource connection

Specified by:

stop in interface ResourceComponent

Overrides:

stop in class JMXServerComponent

See Also:

ResourceComponent.stop()

getEmsConnection

public org.mc4j.ems.connection.EmsConnection getEmsConnection()

Specified by:

getEmsConnection in interface JMXComponent

Overrides:

getEmsConnection in class JMXServerComponent

getValues

public void getValues(org.rhq.core.domain.measurement.MeasurementReport report,
                      Set<org.rhq.core.domain.measurement.MeasurementScheduleRequest> metrics)
               throws Exception

Gather measurement data

Specified by:

getValues in interface MeasurementFacet

Throws:

Exception

See Also:

MeasurementFacet.getValues(org.rhq.core.domain.measurement.MeasurementReport, java.util.Set)

startOperationFacet

public void startOperationFacet(OperationContext context)

invokeOperation

public OperationResult invokeOperation(String name,
                                       org.rhq.core.domain.configuration.Configuration params)
                                throws Exception

Invokes the passed operation on the managed resource

Specified by:

invokeOperation in interface OperationFacet

Parameters:

name - Name of the operation

params - The method parameters

Returns:

An operation result

Throws:

Exception

See Also:

OperationFacet