org.apache.hadoop.metrics2
Interface MetricsSystem.Callback

All Known Implementing Classes:
MetricsSystem.AbstractCallback
Enclosing interface:
MetricsSystem

public static interface MetricsSystem.Callback

The metrics system callback interface


Method Summary
 void postStart()
          Called after start()
 void postStop()
          Called after stop()
 void preStart()
          Called before start()
 void preStop()
          Called before stop()
 

Method Detail

preStart

void preStart()
Called before start()


postStart

void postStart()
Called after start()


preStop

void preStop()
Called before stop()


postStop

void postStop()
Called after stop()



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