Class PureJavaLongAddable

output/java_guava/1.4.13/LongAddables.java:59–74

    }

    private static final class PureJavaLongAddable extends AtomicLong implements LongAddable {
    @Override
    public void increment() {
        getAndIncrement();
    }

    @Override
    public void add(long x) {
        getAndAdd(x);
    }

    @Override
    public long sum() {
        return get();
    }
    }
}