TopicLink

see Concept:TopicLink

plantuml source

Example

Python example with Apache Tinkerpop compatible property graph

"""
Created on 2024-11-07

@author: wf
"""
from mogwai.core.mogwaigraph import MogwaiGraph, MogwaiGraphConfig
from mogwai.core.traversal import MogwaiGraphTraversalSource

from typing import Dict, Optional
import os
import json
from basemkit.yamlable import lod_storable

class RQM:
    """
    Requirements Management subgraph
    """
    def __init__(self):
        """
        constructor
        """
        config = MogwaiGraphConfig(
            name_field='_node_name',
            index_config='minimal'
        )
        self.graph=MogwaiGraph(config=config)
        self.g=MogwaiGraphTraversalSource(self.graph)

    def create_relationships(self):
        """Creates graph relationships"""
        self.graph.join('RQ', 'RQProfile', 'RQProfilename', 'RQProfilename', 'has_rqprofile')
        self.graph.join('AK', 'RQ', 'myRQ_RQid', 'RQid', 'has_rq')

    @classmethod
    def from_json(cls,root_path:str,with_join:bool=True)->'RQM':
        rqm=cls()
        for data_class,pk in [
            (RQProfile,"oid"),
            (RQ,"oid"),
            (AK,"oid")]:
            node_name=data_class.__name__
            json_path = os.path.join(root_path, f"{node_name.lower()}.json")

            # load JSON data
            with open(json_path, 'r') as json_file:
                data = json.load(json_file)
                for record in data:
                    name=record.get(pk)
                    non_null_props = {k: v for k, v in record.items() if v is not None}
                    rqm.graph.add_labeled_node(
                        node_name,
                        name=name,
                        properties=non_null_props
                    )
                    #instance=from_dict(data_class=data_class,data=record)
                    pass
        if with_join:
            rqm.create_relationships()
        return rqm

@lod_storable
class RQProfile:
    oid: str
    RQProfilename: str
    RQProfileNumber: Optional[str] = None
    longname: Optional[str] = None
    comment: Optional[str] = None
    startdate: Optional[str] = None # isodate
    customer: Optional[str] = None
    projectNo: Optional[str] = None


@lod_storable
class RQ:
    oid: str
    RQid: str
    name: str
    what: str
    RQProfilename: Optional[str] = None
    RQnumber: Optional[str] = None
    description: Optional[str] = None
    why: Optional[str] = None
    comment: Optional[str] = None
    enteredOn: Optional[str] = None # isodate
    enteredBy: Optional[str] = None
    owner: Optional[str] = None
    priority: Optional[str] = None
    weight: Optional[str] = None
    state: Optional[str] = None
    kind: Optional[str] = None
    design: Optional[int] = None #bool
    negative: Optional[int] = None #bool
    basedOn: Optional[str] = None
    qualityAcceptance: Optional[str] = None
    myRQProfile_RQProfilename: Optional[str] = None
    myReport_ReportId: Optional[str] = None


@lod_storable
class AK:
    oid: str
    AKid: str
    name: str
    situation: str
    action: str
    expectedResult: str
    RQProfilename: Optional[str] = None
    RQnumber: Optional[str] = None
    RQname: Optional[str] = None
    AKnumber: Optional[str] = None
    project: Optional[str] = None
    description: Optional[str] = None
    manualOnly: Optional[int] = None #bool
    comment: Optional[str] = None
    enteredBy: Optional[str] = None
    enteredOn: Optional[str] = None# isodate
    owner: Optional[str] = None
    qualityAcceptance: Optional[str] = None
    state: Optional[str] = None
    rejection: Optional[int] = None #bool
    disabled: Optional[int] = None #bool
    done: Optional[int] = None #bool
    doneDate: Optional[str] = None # isodate
    difficulty: Optional[str] = None
    acceptance: Optional[str] = None
    accDate: Optional[str] = None # isodate
    responsible: Optional[str] = None
    myRQ_RQid: Optional[str] = None

Links

• https://en.wikipedia.org/wiki/Property_graph
• NSGI-LD