public void readData(ObjectDataInput in) throws IOException {
mapName = in.readUTF();
int size = in.readInt();
for (int i = 0; i < size; i++) {
String id = in.readUTF();
MapInterceptor interceptor = in.readObject();
interceptors.add(new AbstractMap.SimpleImmutableEntry<String, MapInterceptor>(id, interceptor));
}
}