# Source code for pacman.model.constraints.partitioner_constraints.same_atoms_as_vertex_constraint

# Copyright (c) 2017-2019 The University of Manchester
#
# This program is free software: you can redistribute it and/or modify
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from .abstract_partitioner_constraint import AbstractPartitionerConstraint

[docs]class SameAtomsAsVertexConstraint(AbstractPartitionerConstraint):
""" A constraint which indicates that a vertex must be split in the\
same way as another vertex.
"""

__slots__ = [
# The application vertex to which the constraint refers
"_vertex"
]

def __init__(self, vertex):
"""
:param ApplicationVertex vertex:
The vertex to which the constraint refers
"""
self._vertex = vertex
raise NotImplementedError(
"SameAtomsAsVertexConstraint is no longer supported. "
"requirements.")

@property
def vertex(self):
""" The vertex to partition with

:rtype: ApplicationVertex
"""
return self._vertex

def __repr__(self):
return "SameAtomsAsVertexConstraint(vertex={})".format(
self._vertex)

def __eq__(self, other):
if not isinstance(other, SameAtomsAsVertexConstraint):
return False
return self._vertex == other.vertex

def __ne__(self, other):
if not isinstance(other, SameAtomsAsVertexConstraint):
return True
return not self.__eq__(other)

def __hash__(self):
return hash((self._vertex,))