Method get

oshi-core/src/main/java/oshi/util/Memoizer.java:80–96

()

            volatile long expirationNanos;

            @Override
            public T get() {
                long nanos = expirationNanos;
                long now = System.nanoTime();
                if (nanos == 0 || (ttlNanos >= 0 && now - nanos >= 0)) {
                    synchronized (this) {
                        if (nanos == expirationNanos) { // recheck for lost race
                            T t = delegate.get();
                            value = t;
                            nanos = now + ttlNanos;
                            expirationNanos = (nanos == 0) ? 1 : nanos;
                            return t;
                        }
                    }
                }
                return value;
            }
        };
    }