# Source code for pacman.model.constraints.placer_constraints.same_chip_as_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_placer_constraint import AbstractPlacerConstraint

[docs]class SameChipAsConstraint(AbstractPlacerConstraint):
""" Indicates that a vertex should be placed on the same chip as another\
vertex.
"""

__slots__ = [
#  The vertex to place on the same chip
"_vertex"
]

def __init__(self, vertex):
"""
:param AbstractVertex vertex: The vertex to place on the same chip
"""
self._vertex = vertex

@property
def vertex(self):
""" The vertex to place on the same chip

:rtype: AbstractVertex
"""
return self._vertex

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

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

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

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