code: public MethodDef[] getMethods(Context context,
                                            String PID,
                                            String sDefPID,
                                            Date asOfDateTime)
              throws ServerException {
          //m_ipRestriction.enforce(context);
          return da.getMethods(context, PID, sDefPID, asOfDateTime);
      }
docs: Get the method defintions for a given dynamic disseminator that
  is associated with the digital object. The dynamic disseminator is
  identified by the sDefPID.
  
  @param context
  @param PID
  identifier of digital object being reflected upon
  @param sDefPID
  identifier of dynamic service definition
  @param asOfDateTime
  @return an array of method definitions
  @throws ServerException