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95 lines
2.6 KiB
95 lines
2.6 KiB
import { getTarget } from './metrics_controler'; |
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import { getLabeledSegments, insertSegments, removeSegments } from './segments_controller' |
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import * as AnalyticUnit from '../models/analytic_unit' |
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import { AnalyticsService } from '../services/analytics_service' |
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const taskMap = {}; |
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let nextTaskId = 0; |
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const analyticsService = new AnalyticsService(onResponse); |
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function onResponse(response: any) { |
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let taskId = response.__task_id; |
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let status = response.status; |
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if(status === 'success' || status === 'failed') { |
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if(taskId in taskMap) { |
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let resolver = taskMap[taskId]; |
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resolver(response); |
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delete taskMap[taskId]; |
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} |
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} |
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} |
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async function runTask(task): Promise<any> { |
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let anomaly: AnalyticUnit.AnalyticUnit = AnalyticUnit.findById(task.analyticUnitId); |
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task.metric = { |
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datasource: anomaly.metric.datasource, |
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targets: anomaly.metric.targets.map(getTarget) |
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}; |
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task.__task_id = nextTaskId++; |
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await analyticsService.sendTask(task); |
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return new Promise<void>(resolve => { |
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taskMap[task.__task_id] = resolve; |
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}) |
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} |
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export async function runLearning(id: AnalyticUnit.AnalyticUnitId) { |
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let segments = getLabeledSegments(id); |
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AnalyticUnit.setStatus(id, 'learning'); |
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let unit = AnalyticUnit.findById(id); |
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let pattern = unit.type; |
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let task = { |
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analyticUnitId: id, |
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type: 'learn', |
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pattern, |
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segments: segments |
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}; |
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let result = await runTask(task); |
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if (result.status === 'success') { |
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AnalyticUnit.setStatus(id, 'ready'); |
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insertSegments(id, result.segments, false); |
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AnalyticUnit.setPredictionTime(id, result.lastPredictionTime); |
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} else { |
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AnalyticUnit.setStatus(id, 'failed', result.error); |
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} |
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} |
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export async function runPredict(id: AnalyticUnit.AnalyticUnitId) { |
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let unit = AnalyticUnit.findById(id); |
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let pattern = unit.type; |
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let task = { |
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type: 'predict', |
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predictor_id: id, |
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pattern, |
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lastPredictionTime: unit.lastPredictionTime |
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}; |
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let result = await runTask(task); |
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if(result.status === 'failed') { |
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return []; |
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} |
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// Merging segments |
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let segments = getLabeledSegments(id); |
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if(segments.length > 0 && result.segments.length > 0) { |
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let lastOldSegment = segments[segments.length - 1]; |
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let firstNewSegment = result.segments[0]; |
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if(firstNewSegment.start <= lastOldSegment.finish) { |
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result.segments[0].start = lastOldSegment.start; |
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removeSegments(id, [lastOldSegment.id]); |
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} |
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} |
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insertSegments(id, result.segments, false); |
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AnalyticUnit.setPredictionTime(id, result.lastPredictionTime); |
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return result.segments; |
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} |
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export function isAnalyticReady(): boolean { |
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return analyticsService.ready; |
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} |