org.apache.hadoop.chukwa.datacollection.adaptor.sigar
Class SystemMetrics

java.lang.Object
  org.apache.hadoop.chukwa.datacollection.adaptor.AbstractAdaptor
      org.apache.hadoop.chukwa.datacollection.adaptor.sigar.SystemMetrics

All Implemented Interfaces:

Adaptor

public class SystemMetrics
extends AbstractAdaptor

Field Summary

Fields inherited from class org.apache.hadoop.chukwa.datacollection.adaptor.AbstractAdaptor

adaptorID, control, dest, type

Constructor Summary

SystemMetrics()

Method Summary

String	getCurrentStatus() Return the adaptor's state Should not include class name or byte offset, which are written by caller.
String	parseArgs(String args)
long	shutdown(AdaptorShutdownPolicy shutdownPolicy) Signals this adaptor to come to an orderly stop.
void	start(long offset)

Methods inherited from class org.apache.hadoop.chukwa.datacollection.adaptor.AbstractAdaptor

deregisterAndStop, getType, hardStop, parseArgs, shutdown, start

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemMetrics

public SystemMetrics()

Method Detail

parseArgs

public String parseArgs(String args)

Specified by:

parseArgs in class AbstractAdaptor

start

public void start(long offset)
           throws AdaptorException

Specified by:

start in class AbstractAdaptor

Throws:

AdaptorException

getCurrentStatus

public String getCurrentStatus()

Description copied from interface: Adaptor

Return the adaptor's state Should not include class name or byte offset, which are written by caller. The datatype should, however, be written by this method.

Returns:

the adaptor state as a string

shutdown

public long shutdown(AdaptorShutdownPolicy shutdownPolicy)
              throws AdaptorException

Description copied from interface: Adaptor

Signals this adaptor to come to an orderly stop. The adaptor ought to push out all the data it can before exiting depending of the shutdown policy

Returns:

the logical offset at which the adaptor was when the method return

Throws:

AdaptorException