UNPKG

@euirim/microsoft-cognitiveservices-speech-sdk

Version:
1 lines 9.39 kB
{"version":3,"sources":["src/common/Queue.ts"],"names":[],"mappings":"AAKA,OAAO,EAAE,WAAW,EAAE,MAAM,eAAe,CAAC;AAC5C,OAAO,EAAE,IAAI,EAAE,MAAM,QAAQ,CAAC;AAC9B,OAAO,EAAY,OAAO,EAAiB,MAAM,WAAW,CAAC;AAE7D,MAAM,WAAW,MAAM,CAAC,KAAK,CAAE,SAAQ,WAAW;IAC9C,OAAO,CAAC,IAAI,EAAE,KAAK,GAAG,IAAI,CAAC;IAC3B,kBAAkB,CAAC,OAAO,EAAE,OAAO,CAAC,KAAK,CAAC,GAAG,IAAI,CAAC;IAClD,OAAO,IAAI,OAAO,CAAC,KAAK,CAAC,CAAC;IAC1B,IAAI,IAAI,OAAO,CAAC,KAAK,CAAC,CAAC;IACvB,MAAM,IAAI,MAAM,CAAC;CACpB;AAOD,qBAAa,KAAK,CAAC,KAAK,CAAE,YAAW,MAAM,CAAC,KAAK,CAAC;IAC9C,OAAO,CAAC,gBAAgB,CAAoD;IAC5E,OAAO,CAAC,QAAQ,CAAc;IAC9B,OAAO,CAAC,eAAe,CAAgB;IACvC,OAAO,CAAC,eAAe,CAA4D;IACnF,OAAO,CAAC,qBAAqB,CAAkB;IAC/C,OAAO,CAAC,eAAe,CAAkB;IACzC,OAAO,CAAC,iBAAiB,CAAgB;gBAEtB,IAAI,CAAC,EAAE,IAAI,CAAC,KAAK,CAAC;IAO9B,OAAO,wBAGb;IAEM,kBAAkB,oCAiBxB;IAEM,OAAO,uBAUb;IAEM,IAAI,uBAWV;IAEM,MAAM,eAGZ;IAEM,UAAU,gBAEhB;IAEM,eAAe,mGAkDrB;IAEM,OAAO,4BAEb;IAED,OAAO,CAAC,KAAK,CA8CZ;IAED,OAAO,CAAC,cAAc,CAUrB;CACJ","file":"Queue.d.ts","sourcesContent":["// Copyright (c) Microsoft Corporation. All rights reserved.\n// Licensed under the MIT license.\n\nimport { InvalidOperationError, ObjectDisposedError } from \"./Error\";\nimport { IDetachable } from \"./IDetachable\";\nimport { IDisposable } from \"./IDisposable\";\nimport { List } from \"./List\";\nimport { Deferred, Promise, PromiseHelper } from \"./Promise\";\n\nexport interface IQueue<TItem> extends IDisposable {\n enqueue(item: TItem): void;\n enqueueFromPromise(promise: Promise<TItem>): void;\n dequeue(): Promise<TItem>;\n peek(): Promise<TItem>;\n length(): number;\n}\n\nenum SubscriberType {\n Dequeue,\n Peek,\n}\n\nexport class Queue<TItem> implements IQueue<TItem> {\n private privPromiseStore: List<Promise<TItem>> = new List<Promise<TItem>>();\n private privList: List<TItem>;\n private privDetachables: IDetachable[];\n private privSubscribers: List<{ type: SubscriberType, deferral: Deferred<TItem> }>;\n private privIsDrainInProgress: boolean = false;\n private privIsDisposing: boolean = false;\n private privDisposeReason: string = null;\n\n public constructor(list?: List<TItem>) {\n this.privList = list ? list : new List<TItem>();\n this.privDetachables = [];\n this.privSubscribers = new List<{ type: SubscriberType, deferral: Deferred<TItem> }>();\n this.privDetachables.push(this.privList.onAdded(this.drain));\n }\n\n public enqueue = (item: TItem): void => {\n this.throwIfDispose();\n this.enqueueFromPromise(PromiseHelper.fromResult(item));\n }\n\n public enqueueFromPromise = (promise: Promise<TItem>): void => {\n this.throwIfDispose();\n this.privPromiseStore.add(promise);\n promise.finally(() => {\n while (this.privPromiseStore.length() > 0) {\n if (!this.privPromiseStore.first().result().isCompleted) {\n break;\n } else {\n const p = this.privPromiseStore.removeFirst();\n if (!p.result().isError) {\n this.privList.add(p.result().result);\n } else {\n // TODO: Log as warning.\n }\n }\n }\n });\n }\n\n public dequeue = (): Promise<TItem> => {\n this.throwIfDispose();\n const deferredSubscriber = new Deferred<TItem>();\n\n if (this.privSubscribers) {\n this.privSubscribers.add({ deferral: deferredSubscriber, type: SubscriberType.Dequeue });\n this.drain();\n }\n\n return deferredSubscriber.promise();\n }\n\n public peek = (): Promise<TItem> => {\n this.throwIfDispose();\n const deferredSubscriber = new Deferred<TItem>();\n\n const subs = this.privSubscribers;\n if (subs) {\n this.privSubscribers.add({ deferral: deferredSubscriber, type: SubscriberType.Peek });\n this.drain();\n }\n\n return deferredSubscriber.promise();\n }\n\n public length = (): number => {\n this.throwIfDispose();\n return this.privList.length();\n }\n\n public isDisposed = (): boolean => {\n return this.privSubscribers == null;\n }\n\n public drainAndDispose = (pendingItemProcessor: (pendingItemInQueue: TItem) => void, reason?: string): Promise<boolean> => {\n if (!this.isDisposed() && !this.privIsDisposing) {\n this.privDisposeReason = reason;\n this.privIsDisposing = true;\n\n const subs = this.privSubscribers;\n if (subs) {\n while (subs.length() > 0) {\n const subscriber = subs.removeFirst();\n // TODO: this needs work (Resolve(null) instead?).\n subscriber.deferral.resolve(undefined);\n // subscriber.deferral.reject(\"Disposed\");\n }\n\n // note: this block assumes cooperative multitasking, i.e.,\n // between the if-statement and the assignment there are no\n // thread switches.\n // Reason is that between the initial const = this.; and this\n // point there is the derral.resolve() operation that might have\n // caused recursive calls to the Queue, especially, calling\n // Dispose() on the queue alredy (which would reset the var\n // here to null!).\n // That should generally hold true for javascript...\n if (this.privSubscribers === subs) {\n this.privSubscribers = subs;\n }\n }\n\n for (const detachable of this.privDetachables) {\n detachable.detach();\n }\n\n if (this.privPromiseStore.length() > 0 && pendingItemProcessor) {\n return PromiseHelper\n .whenAll(this.privPromiseStore.toArray())\n .continueWith(() => {\n this.privSubscribers = null;\n this.privList.forEach((item: TItem, index: number): void => {\n pendingItemProcessor(item);\n });\n this.privList = null;\n return true;\n });\n } else {\n this.privSubscribers = null;\n this.privList = null;\n }\n }\n\n return PromiseHelper.fromResult(true);\n }\n\n public dispose = (reason?: string): void => {\n this.drainAndDispose(null, reason);\n }\n\n private drain = (): void => {\n if (!this.privIsDrainInProgress && !this.privIsDisposing) {\n this.privIsDrainInProgress = true;\n\n const subs = this.privSubscribers;\n const lists = this.privList;\n if (subs && lists) {\n while (lists.length() > 0 && subs.length() > 0 && !this.privIsDisposing) {\n const subscriber = subs.removeFirst();\n if (subscriber.type === SubscriberType.Peek) {\n subscriber.deferral.resolve(lists.first());\n } else {\n const dequeuedItem = lists.removeFirst();\n subscriber.deferral.resolve(dequeuedItem);\n }\n }\n\n // note: this block assumes cooperative multitasking, i.e.,\n // between the if-statement and the assignment there are no\n // thread switches.\n // Reason is that between the initial const = this.; and this\n // point there is the derral.resolve() operation that might have\n // caused recursive calls to the Queue, especially, calling\n // Dispose() on the queue alredy (which would reset the var\n // here to null!).\n // That should generally hold true for javascript...\n if (this.privSubscribers === subs) {\n this.privSubscribers = subs;\n }\n\n // note: this block assumes cooperative multitasking, i.e.,\n // between the if-statement and the assignment there are no\n // thread switches.\n // Reason is that between the initial const = this.; and this\n // point there is the derral.resolve() operation that might have\n // caused recursive calls to the Queue, especially, calling\n // Dispose() on the queue alredy (which would reset the var\n // here to null!).\n // That should generally hold true for javascript...\n if (this.privList === lists) {\n this.privList = lists;\n }\n }\n\n this.privIsDrainInProgress = false;\n }\n }\n\n private throwIfDispose = (): void => {\n if (this.isDisposed()) {\n if (this.privDisposeReason) {\n throw new InvalidOperationError(this.privDisposeReason);\n }\n\n throw new ObjectDisposedError(\"Queue\");\n } else if (this.privIsDisposing) {\n throw new InvalidOperationError(\"Queue disposing\");\n }\n }\n}\n"]}