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…4018) Prevents errors in Alert Executors from forcing their underlying tasks into a zombie state.
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x-pack/legacy/plugins/alerting/server/alert_instance/index.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
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| export { AlertInstance } from './alert_instance'; | ||
| export { createAlertInstanceFactory } from './create_alert_instance_factory'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
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| export interface Ok<T> { | ||
| tag: 'ok'; | ||
| value: T; | ||
| } | ||
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| export interface Err<E> { | ||
| tag: 'err'; | ||
| error: E; | ||
| } | ||
| export type Result<T, E> = Ok<T> | Err<E>; | ||
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| export function asOk<T>(value: T): Ok<T> { | ||
| return { | ||
| tag: 'ok', | ||
| value, | ||
| }; | ||
| } | ||
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| export function asErr<T>(error: T): Err<T> { | ||
| return { | ||
| tag: 'err', | ||
| error, | ||
| }; | ||
| } | ||
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| export function isOk<T, E>(result: Result<T, E>): result is Ok<T> { | ||
| return result.tag === 'ok'; | ||
| } | ||
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| export function isErr<T, E>(result: Result<T, E>): result is Err<E> { | ||
| return !isOk(result); | ||
| } | ||
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| export async function promiseResult<T, E>(future: Promise<T>): Promise<Result<T, E>> { | ||
| try { | ||
| return asOk(await future); | ||
| } catch (e) { | ||
| return asErr(e); | ||
| } | ||
| } | ||
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| export function map<T, E, Resolution>( | ||
| result: Result<T, E>, | ||
| onOk: (value: T) => Resolution, | ||
| onErr: (error: E) => Resolution | ||
| ): Resolution { | ||
| return isOk(result) ? onOk(result.value) : onErr(result.error); | ||
| } |
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