// threads/AtomicEvenSupplier.java

// (c)2016 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

// Atomic classes are occasionally useful in regular code

// {IgnoreOutput} // No output validation

import java.util.concurrent.atomic.*;

import onjava.TimedAbort;

public class AtomicEvenSupplier extends IntSupplier {

private AtomicInteger currentEvenValue =

new AtomicInteger(0);

@Override

public int next() {

return currentEvenValue.addAndGet(2);

}

public static void main(String[] args) {

new TimedAbort(4);

EvenChecker.test(new AtomicEvenSupplier());

}

}