- Supports Field Injection using
@Autowire&@Qualifier - Supports
ConstructorInjection. - Supports
@PostConstruct
HornAirImp.java
@Component
public class HornAirImpl implements Horn {
@Override
public void honk() {
System.out.println("Air Horn Implementation called.");
}
@PostConstruct
public void postConstruct() {
System.out.println("Air Horn Initialized.");
}
}CarService.java
/** Constructor Injection. */
@Component
public class CarService {
private final Horn horn;
private int odometerReading;
@Autowire
public CarService(@Qualifier("HornAirImpl") Horn horn) {
odometerReading = 0;
this.horn = horn;
}
public void incrementOdometer() {
odometerReading++;
}
@PostConstruct
public void honk() {
System.out.print("In Car Service: ");
horn.honk();
}
}TruckService.java
/** Field Injection. */
@Component
public class TruckService {
private int odometerReading;
@Qualifier(value = "HornAirImpl")
@Autowire
private Horn horn;
public TruckService() {
odometerReading = 0;
}
public void incrementOdometer() {
odometerReading++;
}
@PostConstruct
public void honk() {
System.out.print("In Truck Service: ");
horn.honk();
}
}VehicleApplication.java
public class VehicleApplication {
public static void main(String[] args) {
CodekryptInjector.run(VehicleApplication.class);
}
}In Truck Service: Air Horn Implementation called.
Air Horn Initialized.
In Car Service: Air Horn Implementation called.
Implement Constructor Injection.- Post Construct invocation order.
- Fix multiple interface bean resolution.
- Fix class scanning inside fat JAR (ie after mvn clean install).