public CarRentalServiceImpl(Connection connection) {
System.out.println(" CarRentalServiceImpl Constructor Called ");
this.connection = DBUtility.getConnection();
}
@Component
public class CarRentalServiceImpl implements CarRentalService {
public CarRentalServiceImpl() {
System.out.println(" CarRentalServiceImpl Dflt Constructor Called ");
}
private Connection connection = DBUtility.getConnection();
public CarRentalServiceImpl(Connection connection) {
System.out.println(" CarRentalServiceImpl Constructor Called ");
this.connection = DBUtility.getConnection();
}
@Override
public Integer create(RentalInformation rentalInfo) {
String insertSQL = "insert into carrental.\"rentalinformation\" values (?,?,?,?)";
try {
PreparedStatement preparedStatement = connection.prepareStatement(insertSQL);
Integer refID = getNextSequenceValue();
preparedStatement.setInt(1, refID);
preparedStatement.setString(2, rentalInfo.getRentersName());
preparedStatement.setInt(3, rentalInfo.getRentersAge());
String jsonRentalDetail = convertObjectToJsonString(rentalInfo.getRentalDetail());
PGobject jsonObject = new PGobject();
jsonObject.setType("json");
jsonObject.setValue(jsonRentalDetail);
preparedStatement.setObject(4, jsonObject);
System.out.println("preparedStatement := " + preparedStatement);
preparedStatement.executeUpdate();
return refID;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
private Integer getNextSequenceValue() {
String selectSeqStr = "select nextval('carrental.carrentalsequence')";
Integer seqID = -9;
ResultSet rs = null;
try {
Statement statement = connection.createStatement();
rs = statement.executeQuery(selectSeqStr);
while (rs.next()) {
seqID = rs.getInt(1);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return seqID;
}
/**
* Convert object to json string.
*
* @param obj the obj
* @return the string
*/
public static String convertObjectToJsonString(final Object obj) {
String jsonString = null;
if (obj != null) {
ObjectMapper objectMapper = new ObjectMapper();
try {
jsonString = objectMapper.writeValueAsString(obj);
System.out.println(jsonString);
} catch (Exception exception) {
// logger.error("Unable to read user account settings", exception);
}
}
return jsonString;
}
@Override
public RentalInformation view(String reservationNumer) {
return null;
}
@Override
public void update(RentalInformation rentalInfo, String reservationNumer) {}
@Override
public void delete(String reservationNumer) {}
}
