Atomics.kt implementation

atomics.kt

import java.util.concurrent.atomic.AtomicReference
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty


private fun <T>atomicNullable(tIn: T? = null): ReadWriteProperty<Any?, T?> {
    return object : ReadWriteProperty<Any?, T?> {
        val t = AtomicReference<T>(tIn)
        override fun getValue(thisRef: Any?, property: KProperty<*>): T? {
            return t.get()
        }

        override fun setValue(thisRef: Any?, property: KProperty<*>, value: T?) {
            t.set(value)
        }
    }
}

private fun <T>atomic(tIn: T): ReadWriteProperty<Any?, T> {
    return object : ReadWriteProperty<Any?, T> {
        val t = AtomicReference<T>(tIn)
        override fun getValue(thisRef: Any?, property: KProperty<*>): T {
            return t.get()
        }

        override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
            t.set(value)
        }
    }
}


fun main() {
    var aIntResource: Int? by atomicNullable(0)
    var aLongResource: Long by atomic(0)
    aIntResource = 1
    aLongResource = 4L

    println("Int Resource = $aIntResource")
    println("Long Resource = $aLongResource")
    aIntResource = 4
    aLongResource = 100L
    println("Modified Int Resource = $aIntResource")
    println("Modified Long Resource = $aLongResource")

}