Method setValue

guava/src/com/google/common/cache/LocalCache.java:2032–2043

Sets a new value of an entry. Adds newly created entries at the end of the access queue.

(ReferenceEntry<K, V> entry, K key, V value, long now)

    /** Sets a new value of an entry. Adds newly created entries at the end of the access queue. */
    @GuardedBy("this")
    void setValue(ReferenceEntry<K, V> entry, K key, V value, long now) {
      ValueReference<K, V> previous = entry.getValueReference();
      int weight = map.weigher.weigh(key, value);
      checkState(weight >= 0, "Weights must be non-negative");

      ValueReference<K, V> valueReference =
          map.valueStrength.referenceValue(this, entry, value, weight);
      entry.setValueReference(valueReference);
      recordWrite(entry, weight, now);
      previous.notifyNewValue(value);
    }

    // loading