Entity Car - Das Entity Car wird um das Attribut carManufacturer vom Typ CarManufacturer erweitert.
@ManyToOne(fetch = FetchType.EAGER)
@JoinColumn(name = "carManufacturer_id")
public CarManufacturer getCarManufacturer()
{
return this.carManufacturer;
}
public void setCarManufacturer(final CarManufacturer carManufacturer)
{
this.carManufacturer = carManufacturer;
} |
Entity CarManufacturer - Durch die übernommene Einstellung Bidirectional wird gleichzeitig das Entity CarManufacturer um eine Liste mit allen cars erweitert.
@OneToMany(fetch = FetchType.LAZY, mappedBy = "carManufacturer")
public List<Car> getCars()
{
return this.cars;
}
public void setCars(final List<Car> cars)
{
this.cars = cars;
}
public Car addCar(final Car car)
{
this.getCars().add(car);
car.setCarManufacturer(this);
return car;
}
public Car removeCar(final Car car)
{
this.getCars().remove(car);
car.setCarManufacturer(null);
return car;
} |