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@ -2,6 +2,7 @@ import * as plugins from './smartdata.plugins.js';
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import { SmartdataDb } from './smartdata.classes.db.js';
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import { Manager, setDefaultManagerForDoc } from './smartdata.classes.collection.js';
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import { SmartDataDbDoc, svDb, unI } from './smartdata.classes.doc.js';
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import { SmartdataDbWatcher } from './smartdata.classes.watcher.js';
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@Manager()
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export class DistributedClass extends SmartDataDbDoc<DistributedClass, DistributedClass> {
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@ -39,6 +40,7 @@ export class SmartdataDistributedCoordinator extends plugins.taskbuffer.distribu
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public db: SmartdataDb;
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private asyncExecutionStack = new plugins.lik.AsyncExecutionStack();
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public ownInstance: DistributedClass;
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public distributedWatcher: SmartdataDbWatcher<DistributedClass>;
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constructor(dbArg: SmartdataDb) {
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super();
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@ -55,6 +57,7 @@ export class SmartdataDistributedCoordinator extends plugins.taskbuffer.distribu
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public async stop() {
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await this.asyncExecutionStack.getExclusiveExecutionSlot(async () => {
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if (this.ownInstance?.data.elected) {
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await this.distributedWatcher.close();
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this.ownInstance.data.elected = false;
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}
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if (this.ownInstance?.data.status === 'stopped') {
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@ -182,7 +185,7 @@ export class SmartdataDistributedCoordinator extends plugins.taskbuffer.distribu
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(instanceArg) =>
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instanceArg.data.status === 'bidding' &&
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instanceArg.data.lastUpdated >=
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Date.now() - plugins.smarttime.getMilliSecondsFromUnits({ seconds: 6 })
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Date.now() - plugins.smarttime.getMilliSecondsFromUnits({ seconds: 10 })
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);
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console.log(`found ${biddingInstances.length} bidding instances...`);
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this.ownInstance.data.elected = true;
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@ -208,12 +211,25 @@ export class SmartdataDistributedCoordinator extends plugins.taskbuffer.distribu
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* the leading is implemented here
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*/
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public async leadFunction() {
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const watcher = await DistributedClass.watch({});
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watcher.changeSubject.subscribe({
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this.distributedWatcher = await DistributedClass.watch({});
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const currentTaskRequests: Array<{
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taskName: string;
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taskExecutionTime: number;
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/**
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* all instances that requested this task
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*/
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requestingDistibutedInstanceIds: string[];
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responseTimeout: plugins.smartdelay.Timeout<any>;
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}> = [];
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this.distributedWatcher.changeSubject.subscribe({
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next: async (distributedDoc) => {
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console.log(`registered change for distributed doc ${distributedDoc.id}`);
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distributedDoc;
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},
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});
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while (this.ownInstance.data.status !== 'stopped' && this.ownInstance.data.elected) {
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const allInstances = await DistributedClass.getInstances({});
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for (const instance of allInstances) {
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@ -239,8 +255,18 @@ export class SmartdataDistributedCoordinator extends plugins.taskbuffer.distribu
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await this.ownInstance.save();
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});
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await plugins.smartdelay.delayFor(10000);
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return null;
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const result = await this.asyncExecutionStack.getExclusiveExecutionSlot(async () => {
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await this.ownInstance.updateFromDb();
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const taskRequestResult = this.ownInstance.data.taskRequestResults.find((resultItem) => {
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return resultItem.requestResponseId === taskRequestArg.requestResponseId;
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});
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return taskRequestResult;
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});
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if (!result) {
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console.warn('no result found for task request...');
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return null;
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}
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return result;
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}
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public async updateDistributedTaskRequest(
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