Method scheduleRefresh

output/java_guava/1.4.13/LocalCache.java:2438–2448

(ReferenceEntry<K, V> entry, K key, int hash, V oldValue, long now, CacheLoader<? super K, V> loader)

    }

    V scheduleRefresh(ReferenceEntry<K, V> entry, K key, int hash, V oldValue, long now, CacheLoader<? super K, V> loader) {
            if (map.refreshes()
                && (now - entry.getWriteTime() > map.refreshNanos)
                && !entry.getValueReference().isLoading()) {
        V newValue = refresh(key, hash, loader, true);
        if (newValue != null) {
                                                                                                                               return newValue;
        }
            }
            return oldValue;
    }

    /**
     * Refreshes the value associated with {@code key}, unless another thread is already doing so.