@Override
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                accessor.set(message, input.mergeObject(
                        (Map<Enum<?>, Object>) accessor.get(message), schema));
            }
Static utility for creating runtime {@link java.util.Map} fields.

@author David Yu
@created Jan 21, 2011
protostuff-runtime/src/main/java/io/protostuff/runtime/RuntimeMapFieldFactory.java