Method weakValues

output/java_guava/1.4.19/MapMaker.java:249–253

Specifies that each value (not key) stored in the map should be wrapped in a WeakReference (by default, strong references are used). Weak values will be garbage collected once they are weakly reachable. This makes them a poor candidate for caching. Warning: when this method is

()

   */

  @CanIgnoreReturnValue
  @GwtIncompatible // java.lang.ref.WeakReference
  public MapMaker weakValues() {
    return setValueStrength(Strength.WEAK);
  }

  MapMaker setValueStrength(Strength strength) {
    checkState(valueStrength == null, "Value strength was already set to %s", valueStrength);