Method populateCache

output/java_guava/1.4.18/Enums.java:81–89

(Class<T> enumClass)

  private static final Map<Class<? extends Enum<?>>, Map<String, WeakReference<? extends Enum<?>>>> enumConstantCache = new WeakHashMap<Class<? extends Enum<?>>, Map<String, WeakReference<? extends Enum<?>>>>();

  @GwtIncompatible // java.lang.ref.WeakReference
  private static <T extends Enum<T>> Map<String, WeakReference<? extends Enum<?>>> populateCache(Class<T> enumClass) {
    Map<String, WeakReference<? extends Enum<?>>> result = new HashMap<String, WeakReference<? extends Enum<?>>>();
    for (T enumInstance : EnumSet.allOf(enumClass)) {
      result.put(enumInstance.name(), new WeakReference<Enum<?>>(enumInstance));
    }
    enumConstantCache.put(enumClass, result);
    return result;
  }

  @GwtIncompatible // java.lang.ref.WeakReference
  static <T extends Enum<T>> Map<String, WeakReference<? extends Enum<?>>> getEnumConstants(Class<T> enumClass) {