JezK

Name: test
Start: 2022-11-25
End: 2022-11-25

Edit File: ring_buffer.rb

module Celluloid
  class RingBuffer
    def initialize(size)
      @size = size
      @start = 0
      @count = 0
      @buffer = Array.new(size)
      @mutex = Mutex.new
    end

def full?
      @count == @size
    end

def empty?
      @count == 0
    end

def push(value)
      @mutex.synchronize do
        stop = (@start + @count) % @size
        @buffer[stop] = value
        if full?
          @start = (@start + 1) % @size
        else
          @count += 1
        end
        value
      end
    end
    alias :<< :push

def shift
      @mutex.synchronize do
        remove_element
      end
    end

def flush
      values = []
      @mutex.synchronize do
        while !empty?
          values << remove_element
        end
      end
      values
    end

def clear
      @buffer = Array.new(@size)
      @start = 0
      @count = 0
    end

private

def remove_element
      return nil if empty?
      value, @buffer[@start] = @buffer[@start], nil
      @start = (@start + 1) % @size
      @count -= 1
      value
    end
  end
end

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25 Nov. 2022

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13:00 - 18:00

JezK

Edit File: ring_buffer.rb

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