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43 lines
1.4 KiB
43 lines
1.4 KiB
import { Status, isStatus } from '../const/status.ts'
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import { Unit } from './decorators.ts'
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import { Collection } from '../collection/Collection.ts'
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import {container, make} from '../../../di/src/global.ts'
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import {DependencyKey} from "../../../di/src/type/DependencyKey.ts";
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import Instantiable, {isInstantiable} from "../../../di/src/type/Instantiable.ts";
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const isLifecycleUnit = (something: any): something is (typeof LifecycleUnit) => {
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return isInstantiable(something) && something.prototype instanceof LifecycleUnit
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}
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export default abstract class LifecycleUnit {
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private _status = Status.Stopped
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public get status() {
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return this._status
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}
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public set status(status) {
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this._status = status
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}
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public async up(): Promise<void> {};
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public async down(): Promise<void> {};
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public static get_dependencies(): Collection<typeof LifecycleUnit> {
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if ( isInstantiable(this) ) {
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const deps = new Collection<typeof LifecycleUnit>()
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for ( const dependency of container.get_dependencies(this) ) {
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if ( isLifecycleUnit(dependency) )
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deps.push(dependency)
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}
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return deps
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}
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return new Collection<typeof LifecycleUnit>()
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}
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protected make<T>(target: Instantiable<T>|DependencyKey, ...parameters: any[]) {
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return make(target, ...parameters)
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}
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}
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