Source code for tvb.adapters.datatypes.db.fcd

# -*- coding: utf-8 -*-
#
#
# TheVirtualBrain-Framework Package. This package holds all Data Management, and
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# (c) 2012-2023, Baycrest Centre for Geriatric Care ("Baycrest") and others
#
# This program is free software: you can redistribute it and/or modify it under the
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import json
from sqlalchemy import Column, Integer, ForeignKey, String
from sqlalchemy.orm import relationship
from tvb.datatypes.fcd import Fcd
from tvb.adapters.datatypes.db.time_series import TimeSeriesIndex
from tvb.core.entities.model.model_datatype import DataTypeMatrix


class FcdIndex(DataTypeMatrix):
    id = Column(Integer, ForeignKey(DataTypeMatrix.id), primary_key=True)

    fk_source_gid = Column(String(32), ForeignKey(TimeSeriesIndex.gid), nullable=not Fcd.source.required)
    source = relationship(TimeSeriesIndex, foreign_keys=fk_source_gid, primaryjoin=TimeSeriesIndex.gid == fk_source_gid)

    labels_ordering = Column(String)

    def get_extra_info(self):
        labels_dict = {}
        labels_dict["labels_ordering"] = self.source.labels_ordering
        labels_dict["labels_dimensions"] = self.source.labels_dimensions
        return labels_dict

    def fill_from_has_traits(self, datatype):
        # type: (Fcd)  -> None
        super(FcdIndex, self).fill_from_has_traits(datatype)
        self.labels_ordering = json.dumps(datatype.labels_ordering)
        self.fk_source_gid = datatype.source.gid.hex