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January 14, 2025 19:53
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Implementation of "update" method in a "in memory" repository.
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| @Override | |
| public Vehicle update(Long id, UpdateVehicleDto dto) { | |
| Vehicle vehicleToUpdate = findById(id).orElse(null); | |
| if (vehicleToUpdate == null) { | |
| return null; | |
| } | |
| // method 1 | |
| if (dto.getBrand() != null) vehicleToUpdate.setBrand(dto.getBrand()); | |
| if (dto.getModel() != null) vehicleToUpdate.setModel(dto.getModel()); | |
| if (dto.getRegistration() != null) vehicleToUpdate.setRegistration(dto.getRegistration()); | |
| if (dto.getColor() != null) vehicleToUpdate.setColor(dto.getColor()); | |
| if (dto.getYear() != null) vehicleToUpdate.setYear(dto.getYear()); | |
| if (dto.getMax_speed() != null) vehicleToUpdate.setMax_speed(dto.getMax_speed()); | |
| if (dto.getPassengers() != null) vehicleToUpdate.setPassengers(dto.getPassengers()); | |
| if (dto.getFuel_type() != null) vehicleToUpdate.setFuel_type(dto.getFuel_type()); | |
| if (dto.getTransmission() != null) vehicleToUpdate.setTransmission(dto.getTransmission()); | |
| if (dto.getLength() != null) vehicleToUpdate.setLength(dto.getLength()); | |
| if (dto.getWidth() != null) vehicleToUpdate.setWidth(dto.getWidth()); | |
| if (dto.getWeight() != null) vehicleToUpdate.setWeight(dto.getWeight()); | |
| // method 2 | |
| dto.iterable(false) | |
| .forEach( | |
| (key, newValue) -> { | |
| System.out.printf("==========\n%s: %s%n", key, newValue); | |
| switch (key) { | |
| case "brand": | |
| vehicleToUpdate.setBrand(newValue.toString()); | |
| break; | |
| case "model": | |
| vehicleToUpdate.setModel(newValue.toString()); | |
| break; | |
| case "registration": | |
| vehicleToUpdate.setRegistration(newValue.toString()); | |
| break; | |
| case "color": | |
| vehicleToUpdate.setColor(newValue.toString()); | |
| break; | |
| case "year": | |
| vehicleToUpdate.setYear(Integer.parseInt(newValue.toString())); | |
| break; | |
| case "max_speed": | |
| vehicleToUpdate.setMax_speed(newValue.toString()); | |
| break; | |
| case "passengers": | |
| vehicleToUpdate.setPassengers(Integer.parseInt(newValue.toString())); | |
| break; | |
| case "fuel_type": | |
| vehicleToUpdate.setFuel_type(newValue.toString()); | |
| break; | |
| case "transmission": | |
| vehicleToUpdate.setTransmission(newValue.toString()); | |
| break; | |
| case "length": | |
| vehicleToUpdate.setLength(Double.valueOf(newValue.toString())); | |
| break; | |
| case "width": | |
| vehicleToUpdate.setWidth(Double.valueOf(newValue.toString())); | |
| break; | |
| case "weight": | |
| vehicleToUpdate.setWeight(Double.valueOf(newValue.toString())); | |
| break; | |
| } | |
| } | |
| ); | |
| return vehicleToUpdate; | |
| } |
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Yep, this is a overengineering.
Study purposes