Method writeMultimap

output/java_guava/1.4.16/Serialization.java:152–161

Stores the contents of a multimap in an output stream, as part of serialization. It does not support concurrent multimaps whose content may change while the method is running. The Multimap#asMap view determines the ordering in which data is written to the stream. The serialized output co

(Multimap<K, V> multimap, ObjectOutputStream stream)

   */

  static <K, V> void writeMultimap(Multimap<K, V> multimap, ObjectOutputStream stream) throws IOException {
    stream.writeInt(multimap.asMap().size());
    for (Map.Entry<K, Collection<V>> entry : multimap.asMap().entrySet()) {
      stream.writeObject(entry.getKey());
      stream.writeInt(entry.getValue().size());
      for (V value : entry.getValue()) {
        stream.writeObject(value);
      }
    }
  }

  /**
   * Populates a multimap by reading an input stream, as part of