How to use

convertMapToList

method

in

com.google.protobuf.MapField

/** Gets a mutable List view of this MapField. */
List<Message> getMutableList() {
 if (mode != StorageMode.LIST) {
  if (mode == StorageMode.MAP) {
   listData = convertMapToList(mapData);
  }
  mapData = null;
  mode = StorageMode.LIST;
 }
 return listData;
}

/** Gets the content of this MapField as a read-only List. */
List<Message> getList() {
 if (mode == StorageMode.MAP) {
  synchronized (this) {
   if (mode == StorageMode.MAP) {
    listData = convertMapToList(mapData);
    mode = StorageMode.BOTH;
   }
  }
 }
 return Collections.unmodifiableList(listData);
}

/** Gets a mutable List view of this MapField. */
List<Message> getMutableList() {
 if (mode != StorageMode.LIST) {
  if (mode == StorageMode.MAP) {
   listData = convertMapToList(mapData);
  }
  mapData = null;
  mode = StorageMode.LIST;
 }
 return listData;
}

/** Gets the content of this MapField as a read-only List. */
List<Message> getList() {
 if (mode == StorageMode.MAP) {
  synchronized (this) {
   if (mode == StorageMode.MAP) {
    listData = convertMapToList(mapData);
    mode = StorageMode.BOTH;
   }
  }
 }
 return Collections.unmodifiableList(listData);
}