Package org.jgroups.protocols

Class COUNTER.CounterImpl

  • All Implemented Interfaces:
    Counter
    Enclosing class:
    COUNTER
    protected class COUNTER.CounterImpl
extends java.lang.Object
implements Counter

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.lang.String name  

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected CounterImpl​(java.lang.String name)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long addAndGet​(long delta)
      Atomically adds the given value to the current value.
      boolean compareAndSet​(long expect, long update)
      Atomically updates the counter using a CAS operation
      long decrementAndGet()
      Atomically decrements the counter and returns the new value
      long get()
      Gets the current value of the counter
      java.lang.String getName()  
      long incrementAndGet()
      Atomically increments the counter and returns the new value
      void set​(long new_value)
      Sets the counter to a new value
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • name

        protected final java.lang.String name

    • Constructor Detail

      • CounterImpl

        protected CounterImpl​(java.lang.String name)

    • Method Detail

      • getName

        public java.lang.String getName()
        Specified by:
        getName in interface Counter

      • get

        public long get()
        Description copied from interface: Counter
        Gets the current value of the counter
        Specified by:
        get in interface Counter
        Returns:
        The current value

      • set

        public void set​(long new_value)
        Description copied from interface: Counter
        Sets the counter to a new value
        Specified by:
        set in interface Counter
        Parameters:
        new_value - The new value

      • compareAndSet

        public boolean compareAndSet​(long expect,
                             long update)
        Description copied from interface: Counter
        Atomically updates the counter using a CAS operation
        Specified by:
        compareAndSet in interface Counter
        Parameters:
        expect - The expected value of the counter
        update - The new value of the counter
        Returns:
        True if the counter could be updated, false otherwise

      • incrementAndGet

        public long incrementAndGet()
        Description copied from interface: Counter
        Atomically increments the counter and returns the new value
        Specified by:
        incrementAndGet in interface Counter
        Returns:
        The new value

      • decrementAndGet

        public long decrementAndGet()
        Description copied from interface: Counter
        Atomically decrements the counter and returns the new value
        Specified by:
        decrementAndGet in interface Counter
        Returns:
        The new value

      • addAndGet

        public long addAndGet​(long delta)
        Description copied from interface: Counter
        Atomically adds the given value to the current value.
        Specified by:
        addAndGet in interface Counter
        Parameters:
        delta - the value to add
        Returns:
        the updated value

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object