Method build

guava/src/com/google/common/cache/CacheBuilder.java:1037–1041

Builds a cache, which either returns an already-loaded value for a given key or atomically computes or retrieves it using the supplied {@code CacheLoader}. If another thread is currently loading the value for this key, simply waits for that thread to finish and returns its loaded value. Note that mu

(
      CacheLoader<? super K1, V1> loader)

   * @return a cache having the requested features
   */
  public <K1 extends K, V1 extends V> LoadingCache<K1, V1> build(
      CacheLoader<? super K1, V1> loader) {
    checkWeightWithWeigher();
    return new LocalCache.LocalLoadingCache<>(this, loader);
  }

  /**
   * Builds a cache which does not automatically load values when keys are requested.