Method containsKey

output/java_guava/1.4.16/LocalCache.java:2871–2885

(Object key, int hash)

    }

    boolean containsKey(Object key, int hash) {
      try {
        if (count != 0) { // read-volatile
          long now = map.ticker.read();
          ReferenceEntry<K, V> e = getLiveEntry(key, hash, now);
          if (e == null) {
            return false;
          }
          return e.getValueReference().get() != null;
        }
        return false;
      } finally {
        postReadCleanup();
      }
    }

    /**
     * This method is a convenience for testing. Code should call {@link LocalCache#containsValue}