implementing scoped services

Author: Umed Khudoiberdiev

sample/sample12-array-values/BeanFactory.ts

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+import {Service} from "../../src/decorators/Service";
+import {Factory} from "./Factory";
+import {FactoryToken} from "./FactoryToken";
+
+@Service({ id: FactoryToken, scope: "prototype" })
+export class BeanFactory implements Factory {
+
+    create() {
+        console.log("bean created");
+    }
+
+}

sample/sample12-array-values/Factory.ts

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+export interface Factory {
+
+    create(): any;
+
+}

sample/sample12-array-values/FactoryToken.ts

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+import {Token} from "../../src/Token";
+import {Factory} from "./Factory";
+
+export const FactoryToken = new Token<Factory>("factories");

sample/sample12-array-values/SugarFactory.ts

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+import {Service} from "../../src/decorators/Service";
+import {Factory} from "./Factory";
+import {FactoryToken} from "./FactoryToken";
+
+@Service({ id: FactoryToken, scope: "prototype" })
+export class SugarFactory implements Factory {
+
+    create() {
+        console.log("sugar created");
+    }
+
+}

sample/sample12-array-values/WaterFactory.ts

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+import {Service} from "../../src/decorators/Service";
+import {Factory} from "./Factory";
+import {FactoryToken} from "./FactoryToken";
+
+@Service({ id: FactoryToken, scope: "prototype" })
+export class WaterFactory implements Factory {
+
+    create() {
+        console.log("water created");
+    }
+
+}

sample/sample12-array-values/app.ts

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+import "reflect-metadata";
+import {Container} from "../../src/index";
+import {FactoryToken} from "./FactoryToken";
+import {SugarFactory} from "./SugarFactory";
+import {WaterFactory} from "./WaterFactory";
+import {BeanFactory} from "./BeanFactory";
+
+Container.import([
+    BeanFactory,
+    SugarFactory,
+    WaterFactory,
+]);
+const factories = Container.getMany(FactoryToken);
+factories.forEach(factory => factory.create());
+console.log(factories);

sample/sample13-request-services/QuestionController.ts

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+import {Service} from "../../src/decorators/Service";
+import {QuestionRepository} from "./QuestionRepository";
+
+@Service({ scope: "request" })
+export class QuestionController {
+
+    constructor(protected questionRepository: QuestionRepository) {
+    }
+
+    save(name: string) {
+        if (name)
+            this.questionRepository.userName = name;
+        this.questionRepository.save();
+    }
+}

sample/sample13-request-services/QuestionRepository.ts

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+import {Service} from "../../src/decorators/Service";
+
+@Service({ scope: "request" })
+export class QuestionRepository {
+    userName: string;
+
+    save() {
+        console.log(`saving question. author is ${this.userName}`);
+    }
+
+}

sample/sample13-request-services/app.ts

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+import "reflect-metadata";
+import {Container} from "../../src/index";
+import {QuestionRepository} from "./QuestionRepository";
+import {QuestionController} from "./QuestionController";
+
+Container.import([
+    QuestionController,
+    QuestionRepository,
+]);
+const request1 = { param: "Timber" };
+const controller1 = Container.getFromRequest(request1, QuestionController);
+controller1.save("Timber");
+Container.removeFromRequest(request1, QuestionController);
+
+const request2 = { param: "Guest" };
+const controller2 = Container.getFromRequest(request2, QuestionController);
+controller2.save("");
+
+console.log((Container as any)["services"]);