@Override
    public void mergeFrom(Input input, Object owner) throws IOException
    {
        setValue(readObjectFrom(input, this, owner, strategy), owner);
    }
Used when a field is an array (Object[] or any polymorphic component type).

@author David Yu
@created Apr 25, 2012
protostuff-runtime/src/main/java/io/protostuff/runtime/ArraySchema.java