EventIndex: Subclass the event emitter instead of putting one in a property.
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1 changed files with 3 additions and 11 deletions
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@ -22,8 +22,9 @@ import {EventEmitter} from "events";
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/*
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/*
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* Event indexing class that wraps the platform specific event indexing.
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* Event indexing class that wraps the platform specific event indexing.
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*/
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*/
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export default class EventIndex {
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export default class EventIndex extends EventEmitter {
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constructor() {
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constructor() {
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super();
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this.crawlerCheckpoints = [];
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this.crawlerCheckpoints = [];
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// The time in ms that the crawler will wait loop iterations if there
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// The time in ms that the crawler will wait loop iterations if there
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// have not been any checkpoints to consume in the last iteration.
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// have not been any checkpoints to consume in the last iteration.
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@ -35,7 +36,6 @@ export default class EventIndex {
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this._crawler = null;
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this._crawler = null;
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this._currentCheckpoint = null;
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this._currentCheckpoint = null;
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this.liveEventsForIndex = new Set();
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this.liveEventsForIndex = new Set();
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this._eventEmitter = new EventEmitter();
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}
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}
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async init() {
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async init() {
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@ -188,7 +188,7 @@ export default class EventIndex {
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}
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}
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emitNewCheckpoint() {
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emitNewCheckpoint() {
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this._eventEmitter.emit("changedCheckpoint", this.currentRoom());
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this.emit("changedCheckpoint", this.currentRoom());
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}
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}
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async crawlerFunc() {
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async crawlerFunc() {
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@ -459,12 +459,4 @@ export default class EventIndex {
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return client.getRoom(this.crawlerCheckpoints[0].roomId);
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return client.getRoom(this.crawlerCheckpoints[0].roomId);
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}
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}
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}
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}
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on(eventName, callback) {
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this._eventEmitter.on(eventName, callback);
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}
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removeListener(eventName, callback) {
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this._eventEmitter.removeListener(eventName, callback);
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}
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}
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}
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