# Source code for spynnaker.pyNN.utilities.extracted_data

# 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 collections import defaultdict

[docs]class ExtractedData(object):
""" Data holder for all synaptic data being extracted in parallel.
"""
# @Chimp: play here to hearts content.

__slots__ = ["__data"]

def __init__(self):
self.__data = defaultdict(dict)

[docs]    def get(self, projection, attribute):
""" Allow getting data from a given projection and attribute

:param ~spynnaker.pyNN.models.projection.Projection projection:
the projection data was extracted from
:param attribute: the attribute to retrieve
:type attribute: list(int) or tuple(int) or None
:return: the attribute data in a connection holder
:rtype: ConnectionHolder
"""
if projection in self.__data:
if attribute in self.__data[projection]:
return self.__data[projection][attribute]
return None

[docs]    def set(self, projection, attribute, data):
""" Allow the addition of data from a projection and attribute.

:param ~spynnaker.pyNN.models.projection.Projection projection:
the projection data was extracted from
:param attribute: the attribute to store
:type attribute: list(int) or tuple(int) or None
:param ConnectionHolder data:
attribute data in a connection holder
:rtype: None
"""
self.__data[projection][attribute] = data