Method removeAllZeros

output/java_guava/1.4.17/AtomicLongMap.java:282–291

Removes all mappings from this map whose values are zero. This method is not atomic: the map may be visible in intermediate states, where some of the zero values have been removed and others have not.

()

  public void removeAllZeros() {
    Iterator<Map.Entry<K, AtomicLong>> entryIterator = map.entrySet().iterator();
    while (entryIterator.hasNext()) {
      Map.Entry<K, AtomicLong> entry = entryIterator.next();
      AtomicLong atomic = entry.getValue();
      if (atomic != null && atomic.get() == 0L) {
        entryIterator.remove();
      }
    }
  }

  /**
   * Returns the sum of all values in this map.