ArrayGettersSafeAction(Class subclass,
    Class immutableClass) 
{
            this.subclass = subclass;
            this.immutableClass = immutableClass;
}

 public Boolean run() 
{
            Method[] methods = immutableClass.getMethods();
            for (int i = 0; i <  methods.length; i++) {
                Method method = methods[i];
                String methodName = method.getName();
                if (methodName.startsWith("get") &&
                        method.getParameterTypes().length == 0 &&
                        method.getReturnType().isArray()) {
                    try {
                        Method submethod =
                            subclass.getMethod(methodName);
                        if (!submethod.equals(method))
                            return false;
                    } catch (NoSuchMethodException e) {
                        return false;
                    }
                }
            }
            return true;
}