Class SimpleCounter

    • Constructor Summary

      Constructors 
      Constructor Description
      SimpleCounter​(java.lang.String name)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void add​(long value)
      Increment the value by a given amount.
      long get()
      Get the current value held by the counter.
      void reset()  
      java.util.Map<java.lang.String,​java.lang.Object> values()  
      • Methods inherited from class org.apache.zookeeper.server.metric.Metric

        add, add
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface org.apache.zookeeper.metrics.Counter

        inc
    • Constructor Detail

      • SimpleCounter

        public SimpleCounter​(java.lang.String name)
    • Method Detail

      • add

        public void add​(long value)
        Description copied from interface: Counter
        Increment the value by a given amount.

        This method is thread safe, The MetricsProvider will take care of synchronization.

        Specified by:
        add in interface Counter
        Overrides:
        add in class Metric
        Parameters:
        value - amount to increment, this cannot be a negative number.
      • reset

        public void reset()
        Overrides:
        reset in class Metric
      • get

        public long get()
        Description copied from interface: Counter
        Get the current value held by the counter.

        This method is thread safe, The MetricsProvider will take care of synchronization.

        Specified by:
        get in interface Counter
        Returns:
        the current value
      • values

        public java.util.Map<java.lang.String,​java.lang.Object> values()
        Specified by:
        values in class Metric