[6a3a178] | 1 | import { Observable } from '../Observable';
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| 2 | import { Subscription } from '../Subscription';
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| 3 | import { Scheduler } from '../Scheduler';
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| 4 | import { TestMessage } from './TestMessage';
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| 5 | import { SubscriptionLog } from './SubscriptionLog';
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| 6 | import { SubscriptionLoggable } from './SubscriptionLoggable';
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| 7 | import { applyMixins } from '../util/applyMixins';
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| 8 | import { Subscriber } from '../Subscriber';
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| 9 |
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| 10 | /**
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| 11 | * We need this JSDoc comment for affecting ESDoc.
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| 12 | * @ignore
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| 13 | * @extends {Ignored}
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| 14 | */
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| 15 | export class ColdObservable<T> extends Observable<T> implements SubscriptionLoggable {
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| 16 | public subscriptions: SubscriptionLog[] = [];
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| 17 | scheduler: Scheduler;
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| 18 | logSubscribedFrame: () => number;
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| 19 | logUnsubscribedFrame: (index: number) => void;
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| 20 |
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| 21 | constructor(public messages: TestMessage[],
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| 22 | scheduler: Scheduler) {
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| 23 | super(function (this: Observable<T>, subscriber: Subscriber<any>) {
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| 24 | const observable: ColdObservable<T> = this as any;
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| 25 | const index = observable.logSubscribedFrame();
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| 26 | const subscription = new Subscription();
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| 27 | subscription.add(new Subscription(() => {
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| 28 | observable.logUnsubscribedFrame(index);
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| 29 | }));
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| 30 | observable.scheduleMessages(subscriber);
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| 31 | return subscription;
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| 32 | });
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| 33 | this.scheduler = scheduler;
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| 34 | }
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| 35 |
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| 36 | scheduleMessages(subscriber: Subscriber<any>) {
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| 37 | const messagesLength = this.messages.length;
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| 38 | for (let i = 0; i < messagesLength; i++) {
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| 39 | const message = this.messages[i];
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| 40 | subscriber.add(
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| 41 | this.scheduler.schedule(({ message, subscriber }) => { message.notification.observe(subscriber); },
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| 42 | message.frame,
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| 43 | { message, subscriber })
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| 44 | );
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| 45 | }
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| 46 | }
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| 47 | }
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| 48 | applyMixins(ColdObservable, [SubscriptionLoggable]);
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