Package oracle.pgx.algorithm

Interface Scalar<T>

  • Type Parameters:
    T - 
    public interface Scalar<T>
    A container for a scalar value.

    • Method Summary

      All Methods Static Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      static <T> Scalar<T> create()
      Instantiate a new scalar.
      static <T> Scalar<T> create​(T t)
      Instantiate a new scalar and initialize the scalar with the given value.
      void decrement()
      Decrement the scalar.
      T get()
      Get the value of the container.
      void increment()
      Increment the scalar.
      void reduceAdd​(T value)
      Atomically update this scalar to the addition of the current value and the given value.
      void reduceAnd​(T value)
      Atomically update this scalar to the conjunction of the current value and the given value.
      void reduceMax​(T value)
      Atomically update this scalar to the maximum of the current value and the given value.
      void reduceMin​(T value)
      Atomically update this scalar to the minimum of the current value and the given value.
      void reduceMul​(T value)
      Atomically update this scalar to the multiplication of the current value and the given value.
      void reduceOr​(T value)
      Atomically update this scalar to the disjunction of the current value and the given value.
      void set​(T t)
      Set the value of the container.

    • Method Detail

      • create

        static <T> Scalar<T> create()
        Instantiate a new scalar.
        Type Parameters:
        T -
        Returns:

      • create

        static <T> Scalar<T> create​(T t)
        Instantiate a new scalar and initialize the scalar with the given value.
        Type Parameters:
        T -
        Returns:

      • set

        void set​(T t)
        Set the value of the container.
        Parameters:
        t -

      • get

        T get()
        Get the value of the container.
        Returns:

      • reduceAdd

        void reduceAdd​(T value)
        Atomically update this scalar to the addition of the current value and the given value.
        Parameters:
        value -

      • reduceMul

        void reduceMul​(T value)
        Atomically update this scalar to the multiplication of the current value and the given value.
        Parameters:
        value -

      • reduceOr

        void reduceOr​(T value)
        Atomically update this scalar to the disjunction of the current value and the given value.
        Parameters:
        value -

      • reduceAnd

        void reduceAnd​(T value)
        Atomically update this scalar to the conjunction of the current value and the given value.
        Parameters:
        value -

      • reduceMax

        void reduceMax​(T value)
        Atomically update this scalar to the maximum of the current value and the given value.
        Parameters:
        value -

      • reduceMin

        void reduceMin​(T value)
        Atomically update this scalar to the minimum of the current value and the given value.
        Parameters:
        value -

      • increment

        void increment()
        Increment the scalar.

      • decrement

        void decrement()
        Decrement the scalar.