Package org.apache.hadoop.metrics2.lib

Class MutableGaugeLong

java.lang.Object
org.apache.hadoop.metrics2.lib.MutableMetric
org.apache.hadoop.metrics2.lib.MutableGauge
org.apache.hadoop.metrics2.lib.MutableGaugeLong
@Public @Evolving public class MutableGaugeLong extends MutableGauge
A mutable long gauge

  • Method Details

    • value

      public long value()

    • incr

      public void incr()
      Description copied from class: MutableGauge
      Increment the value of the metric by 1
      Specified by:
      incr in class MutableGauge

    • incr

      public void incr(long delta)
      Increment by delta
      Parameters:
      delta - of the increment

    • decr

      public void decr()
      Description copied from class: MutableGauge
      Decrement the value of the metric by 1
      Specified by:
      decr in class MutableGauge

    • decr

      public void decr(long delta)
      decrement by delta
      Parameters:
      delta - of the decrement

    • set

      public void set(long value)
      Set the value of the metric
      Parameters:
      value - to set

    • snapshot

      public void snapshot(MetricsRecordBuilder builder, boolean all)
      Description copied from class: MutableMetric
      Get a snapshot of the metric
      Specified by:
      snapshot in class MutableMetric
      Parameters:
      builder - the metrics record builder
      all - if true, snapshot unchanged metrics as well

    • toString

      public String toString()
      Overrides:
      toString in class Object
      Returns:
      the value of the metric