Method advanceTo

output/java_guava/1.4.17/LocalCache.java:4406–4421

Advances to the given entry. Returns true if the entry was valid, false if it should be skipped.

(ReferenceEntry<K, V> entry)

     */

    boolean advanceTo(ReferenceEntry<K, V> entry) {
      try {
        long now = ticker.read();
        K key = entry.getKey();
        V value = getLiveValue(entry, now);
        if (value != null) {
          nextExternal = new WriteThroughEntry(key, value);
          return true;
        } else {
          // Skip stale entry.
          return false;
        }
      } finally {
        currentSegment.postReadCleanup();
      }
    }

    @Override
    public boolean hasNext() {