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from typing import Dict
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import logging
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import detectors
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from analytic_unit_worker import AnalyticUnitWorker
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logger = logging.getLogger('AnalyticUnitManager')
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analytic_unit_id = str
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analytic_workers: Dict[analytic_unit_id, AnalyticUnitWorker] = dict()
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def get_detector(self, analytic_unit_type) -> detectors.Detector:
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if analytic_unit_type == 'GENERAL':
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detector = detectors.GeneralDetector()
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else:
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detector = detectors.PatternDetector(analytic_unit_type)
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return detector
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def ensure_worker(analytic_unit_id, analytic_unit_type) -> AnalyticUnitWorker:
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if analytic_unit_id in analytic_workers:
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# TODO: check that type is the same
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return analytic_workers[analytic_unit_id]
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detector = get_detector(analytic_unit_type)
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worker = AnalyticUnitWorker(analytic_unit_id, detector)
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analytic_workers[analytic_unit_id] = worker
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return worker
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async def handle_analytic_task(task):
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try:
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worker = ensure_worker(task['analyticUnitId'], task['type'])
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payload = task['payload']
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if type == "PREDICT":
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result_payload = await worker.do_predict(analytic_unit_id, payload)
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elif type == "LEARN":
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result_payload = await worker.do_learn(analytic_unit_id, payload)
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else:
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raise ValueError('Unknown task type "%s"' % type)
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except Exception as e:
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logger.error("handle_analytic_task exception: '%s'" % error_text)
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# TODO: move result to a class which renders to json for messaging to analytics
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result = {
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'status': "FAILED",
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'error': str(e)
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}
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return {
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'status': 'SUCCESS',
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'payload': result_payload
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}
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