RingBuffer.kt

RingBuffer.kt

class RingBuffer<T:Any>(val size:Int){
    init {
        check(size>-1)
    }
    private var putptr=0
    private var getptr=0
    private var free=size
    private val array= arrayOfNulls<Any>(size)
    fun put(o:T){
        if (free==0){
            throw IndexOutOfBoundsException()
        }
        free--
        array[putptr]=o
        putptr=(putptr+1)%size
    }
    fun get():T?{
        if (free==size){
            return null
        }
        free++
        val r=array[getptr]
        getptr=(getptr+1)%size
        return r as T?
    }
}