2017-03-28 10:21:46 +01:00

96 lines
1.8 KiB
TypeScript

import { Injectable } from '@angular/core';
/// Model ///
export class Car {
name = 'Avocado Motors';
constructor(public engine: Engine, public tires: Tires) { }
get description() {
return `${this.name} car with ` +
`${this.engine.cylinders} cylinders and ${this.tires.make} tires.`;
}
}
export class Engine {
cylinders = 4;
}
export class Tires {
make = 'Flintstone';
model = 'Square';
}
//// Engine services ///
@Injectable()
export class EngineService {
id = 'E1';
getEngine() { return new Engine(); }
}
@Injectable()
export class EngineService2 {
id = 'E2';
getEngine() {
const eng = new Engine();
eng.cylinders = 8;
return eng;
}
}
//// Tire services ///
@Injectable()
export class TiresService {
id = 'T1';
getTires() { return new Tires(); }
}
/// Car Services ///
@Injectable()
export class CarService {
id = 'C1';
constructor(
protected engineService: EngineService,
protected tiresService: TiresService) { }
getCar() {
return new Car(
this.engineService.getEngine(),
this.tiresService.getTires());
}
get name() {
return `${this.id}-${this.engineService.id}-${this.tiresService.id}`;
}
}
@Injectable()
export class CarService2 extends CarService {
id = 'C2';
constructor(
protected engineService: EngineService,
protected tiresService: TiresService) {
super(engineService, tiresService);
}
getCar() {
const car = super.getCar();
car.name = 'BamBam Motors, BroVan 2000';
return car;
}
}
@Injectable()
export class CarService3 extends CarService2 {
id = 'C3';
constructor(
protected engineService: EngineService,
protected tiresService: TiresService) {
super(engineService, tiresService);
}
getCar() {
const car = super.getCar();
car.name = 'Chizzamm Motors, Calico UltraMax Supreme';
return car;
}
}