Package org.apache.hadoop.metrics2

Interface MetricsSystem.Callback

All Known Implementing Classes:
MetricsSystem.AbstractCallback
Enclosing class:
MetricsSystem
public static interface MetricsSystem.Callback
The metrics system callback interface (needed for proxies.)

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    postStart()
    Called after start()
    void
    postStop()
    Called after stop()
    void
    preStart()
    Called before start()
    void
    preStop()
    Called before stop()

  • Method Details

    • preStart

      void preStart()
      Called before start()

    • postStart

      void postStart()
      Called after start()

    • preStop

      void preStop()
      Called before stop()

    • postStop

      void postStop()
      Called after stop()