package com.xvitcoder.angualrspringapp.service;
import com.xvitcoder.angualrspringapp.beans.Train;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.List;
/**
* Created with IntelliJ IDEA.
* User: xvitcoder
* Date: 12/21/12
* Time: 12:21 AM
*/
@Service("trainService")
public class TrainServiceImpl implements TrainService {
private static List<Train> trainList = new ArrayList<Train>();
private static Long id = 0L;
@Override
public List<Train> getAllTrains() {
return trainList;
}
@Override
public Train getTrainById(Long id) {
return findTrainById(id);
}
@Override
public void addTrain(Train train) {
train.setId(++id);
trainList.add(train);
}
@Override
public void deleteTrainById(Long id) {
Train foundTrain = findTrainById(id);
if (foundTrain != null) {
trainList.remove(foundTrain);
id--;
}
}
@Override
public void deleteAll() {
trainList.clear();
id = 0L;
}
@Override
public void updateTrain(Train train) {
Train foundTrain = findTrainById(train.getId());
if (foundTrain != null) {
trainList.remove(foundTrain);
trainList.add(train);
}
}
private Train findTrainById(Long id) {
for (Train train : trainList) {
if (train.getId() == id) {
return train;
}
}
return null;
}
}