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26 lines
1.3 KiB
Python
26 lines
1.3 KiB
Python
"""
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This module defines the BoolOperation database class.
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"""
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from ..base import ext
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from .Enums import OperationType
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from sqlalchemy.orm import backref
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class BoolOperation(ext.Model):
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__tablename__ = "bool_operation"
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id = ext.Column(ext.Integer, primary_key=True)
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operation = ext.Column(ext.Enum(OperationType), nullable=False)
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isRoot = ext.Column(ext.Boolean, default=False, nullable=False)
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# Foreign Keys
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condition_id = ext.Column(ext.Integer, ext.ForeignKey("condition.id"))
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node_1_id = ext.Column(ext.Integer, ext.ForeignKey("bool_operation.id"))
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node_2_id = ext.Column(ext.Integer, ext.ForeignKey("bool_operation.id"))
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alert_id = ext.Column(ext.Integer, ext.ForeignKey("alert.id"))
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# Relationships
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condition = ext.relationship("Condition", back_populates="operations")
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node_1 = ext.relationship("BoolOperation", primaryjoin=("bool_operation.c.node_1_id==bool_operation.c.id"),
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remote_side="BoolOperation.id", backref=backref("father_1", uselist=False))
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node_2 = ext.relationship("BoolOperation", primaryjoin=("bool_operation.c.node_2_id==bool_operation.c.id"),
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remote_side="BoolOperation.id", backref=backref("father_2", uselist=False))
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alert = ext.relationship("Alert", back_populates="operations")
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