def as_dict(self):
        """
        Provides a simple though not complete dict serialization of the object (OMP missing, not all limits are
        kept in the dictionary, ... other things to be checked)

        Raise:
            `ValueError` if errors.
        """
        if self.has_omp:
            raise NotImplementedError('as_dict method of QueueAdapter not yet implemented when OpenMP is activated')
        return {'@module': self.__class__.__module__,
                '@class': self.__class__.__name__,
                'priority': self.priority,
                'hardware': self.hw.as_dict(),
                'queue': {'qtype': self.QTYPE,
                          'qname': self._qname,
                          'qnodes': self.qnodes,
                          'qparams': self._qparams},
                'limits': {'timelimit_hard': self._timelimit_hard,
                           'timelimit': self._timelimit,
                           'min_cores': self.min_cores,
                           'max_cores': self.max_cores,
                           'min_mem_per_proc': self.min_mem_per_proc,
                           'max_mem_per_proc': self.max_mem_per_proc,
                           'memory_policy': self.memory_policy
                           },
                'job': {},
                'mpi_procs': self._mpi_procs,
                'mem_per_proc': self._mem_per_proc,
                'master_mem_overhead': self._master_mem_overhead
                }