Package io.debezium.crdt

Class StateBasedPNCounter

java.lang.Object
io.debezium.crdt.StateBasedPNCounter
All Implemented Interfaces:
Count, GCount, GCounter, PNCount, PNCounter
Direct Known Subclasses:
StateBasedPNDeltaCounter
@NotThreadSafe class StateBasedPNCounter extends Object implements PNCounter

  • Field Details

    • adds

      private long adds

    • removes

      private long removes

  • Constructor Details

    • StateBasedPNCounter

      protected StateBasedPNCounter()

    • StateBasedPNCounter

      protected StateBasedPNCounter(long adds, long removes)

  • Method Details

    • increment

      public PNCounter increment()
      Description copied from interface: PNCounter
      Increment the counter and get the result.
      Specified by:
      increment in interface GCounter
      Specified by:
      increment in interface PNCounter
      Returns:
      this instance so methods can be chained together; never null

    • decrement

      public PNCounter decrement()
      Description copied from interface: PNCounter
      Decrement the counter and get the result.
      Specified by:
      decrement in interface PNCounter
      Returns:
      this instance so methods can be chained together; never null

    • incrementAndGet

      public long incrementAndGet()
      Description copied from interface: GCounter
      Increment the counter and get the result.
      Specified by:
      incrementAndGet in interface GCounter
      Returns:
      the current result after incrementing

    • decrementAndGet

      public long decrementAndGet()
      Description copied from interface: PNCounter
      Decrement the counter and get the result.
      Specified by:
      decrementAndGet in interface PNCounter
      Returns:
      the current result after decrementing

    • getAndIncrement

      public long getAndIncrement()
      Description copied from interface: GCounter
      Increment the counter and get the result.
      Specified by:
      getAndIncrement in interface GCounter
      Returns:
      the current result before incrementing

    • getAndDecrement

      public long getAndDecrement()
      Description copied from interface: PNCounter
      Decrement the counter and get the result.
      Specified by:
      getAndDecrement in interface PNCounter
      Returns:
      the current result before decrementing

    • get

      public long get()
      Description copied from interface: PNCount
      Get the current value.
      Specified by:
      get in interface Count
      Specified by:
      get in interface PNCount
      Returns:
      the current value

    • getIncrement

      public long getIncrement()
      Description copied from interface: GCount
      Get the amount that the value incremented.
      Specified by:
      getIncrement in interface GCount
      Returns:
      the incremented value

    • getDecrement

      public long getDecrement()
      Description copied from interface: PNCount
      Get the amount that the value decremented. The value is the total increments minus the total decrements
      Specified by:
      getDecrement in interface PNCount
      Returns:
      the decremented value

    • merge

      public PNCounter merge(Count other)
      Description copied from interface: PNCounter
      Merge the supplied counter into this counter.
      Specified by:
      merge in interface GCounter
      Specified by:
      merge in interface PNCounter
      Parameters:
      other - the other counter to merge into this one; may be null
      Returns:
      this counter so that methods can be chained

    • toString

      public String toString()
      Overrides:
      toString in class Object