private static void deleteWorkerFromAnywhere(String workerName) {
Worker workerForDel = workerDAO.getByName(workerName);
Department depForUpdate = departmentDAO.getByWorker(workerForDel);
if (depForUpdate != null) {
depForUpdate.removeWorker(workerForDel);
departmentDAO.update(depForUpdate);
}
workerDAO.remove(workerForDel);
}
public static Department getDepOrCreate(String departmentName) {
Department dp = departmentDAO.getByName(departmentName);
if (dp == null) {
dp = new Department(departmentName);
departmentDAO.save(dp);
}
return dp;
}
private static void deleteDepartmentAndRelocateWorkersToNullDep(
String departmentName, Department nullDepartment) {
Department depForDel = departmentDAO.getByName(departmentName);
if (depForDel != null) {
nullDepartment.getWorkers().addAll(depForDel.getWorkers());
departmentDAO.remove(depForDel);
departmentDAO.update(nullDepartment);
}
}
public static void main(String[] args) {
LOGGER.info(info);
Department nullDepartment = departmentDAO.getByName("with out department");
if (nullDepartment == null) {
nullDepartment = new Department("with out department");
departmentDAO.save(nullDepartment);
}
Department currentDepartment = null;
try (BufferedReader reader =
new BufferedReader(new InputStreamReader(System.in, Charset.forName("UTF-8")))) {
while (true) {
String line = reader.readLine();
if (line != null) {
if (line.equals("exit")) {
break;
} else if (line.startsWith("dep")) {
String departmentName = line.substring(4, line.length());
if (isNameOk(departmentName)) {
currentDepartment = getDepOrCreate(departmentName);
}
} else if (line.startsWith("work")) {
String workerName = line.substring(5, line.length());
if (isNameOk(workerName)) {
Worker newWorker = getWorkOrCreate(currentDepartment, nullDepartment, workerName);
}
} else if (line.startsWith("del_dep")) {
String departmentName = line.substring(8, line.length());
if (isNameOk(departmentName)) {
deleteDepartmentAndRelocateWorkersToNullDep(departmentName, nullDepartment);
}
} else if (line.startsWith("del_work_dep")) {
String workerName = line.substring(13, line.length());
if (isNameOk(workerName)) {
deleteWorkerFromHisDepartmentAndRelocateHimToNullDep(workerName, nullDepartment);
}
} else if (line.startsWith("del_work")) {
String workerName = line.substring(9, line.length());
if (isNameOk(workerName)) {
deleteWorkerFromAnywhere(workerName);
}
} else {
repeatInfoMessage();
}
}
}
} catch (IOException e) {
LOGGER.error("readLine exception", e);
}
LOGGER.info(workerDAO.getAll().toString());
LOGGER.info(departmentDAO.getAll().toString());
}
private static void deleteWorkerFromHisDepartmentAndRelocateHimToNullDep(
String workerName, Department nullDepartment) {
Worker workerForDel = workerDAO.getByName(workerName);
Department depForUpdate = departmentDAO.getByWorker(workerForDel);
if (depForUpdate != null) {
depForUpdate.removeWorker(workerForDel);
nullDepartment.addWorker(workerForDel);
departmentDAO.update(depForUpdate);
departmentDAO.update(nullDepartment);
}
}
private static Worker getWorkOrCreate(
Department currentDepartment, Department nullDepartment, String workerName) {
Worker w = workerDAO.getByName(workerName);
if (w == null) {
w = new Worker(workerName);
workerDAO.save(w);
} else {
Department oldWorkerDep = departmentDAO.getByWorker(w);
if (oldWorkerDep != null) {
oldWorkerDep.removeWorker(w);
departmentDAO.update(oldWorkerDep);
}
}
if (currentDepartment != null) {
currentDepartment.addWorker(w);
departmentDAO.update(currentDepartment);
} else {
nullDepartment.addWorker(w);
departmentDAO.update(nullDepartment);
}
return w;
}