@SuppressWarnings("deprecation")
private TransactionOptions createDatastoreTransactionOptionsPrototype(
PersistenceConfiguration persistenceConfig) {
// return TransactionOptions.Builder.withXG(
return TransactionOptions.Builder.allowMultipleEntityGroups(
persistenceConfig.getBooleanProperty(DATASTORE_ENABLE_XG_TXNS_PROPERTY));
}
@Test
public void crossGroupTransactions() {
TransactionOptions transactionOptions = TransactionOptions.Builder.withXG(true);
Transaction transaction = datastore.beginTransaction(transactionOptions);
Entity a = new Entity("A");
datastore.put(a);
Entity b = new Entity("B", a.getKey());
datastore.put(b);
Entity c = new Entity("C", a.getKey());
datastore.put(c);
Entity d = new Entity("D");
datastore.put(d);
Entity e = new Entity("E");
datastore.put(e);
Entity f = new Entity("F");
datastore.put(f);
Entity z = new Entity("Z");
datastore.put(z);
transaction.commit();
}
// visible for testing
static TransactionOptions copyTransactionOptions(TransactionOptions txnOpts) {
// Maintenance nightmare, use clone() once it's available in the sdk
TransactionOptions options = TransactionOptions.Builder.withDefaults();
if (txnOpts.isXG()) {
options.setXG(txnOpts.isXG());
} else {
options.clearXG();
}
return txnOpts;
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
UserPermissionsBean userPermissionsBean =
(UserPermissionsBean) req.getAttribute(AuthRequestAttribute.USER_PERMISSIONS.getName());
if (userPermissionsBean.getViewSessions() && userPermissionsBean.getViewSessionPermissions()) {
if (userPermissionsBean.getChangeSessionPermissions()) {
long sessionPermissionsCode = 0;
if (req.getParameter(HtmlVariable.VIEW_SESSIONS.getName()) != null)
sessionPermissionsCode =
sessionPermissionsCode + SessionPermissions.VIEW_SESSIONS.getCode();
if (req.getParameter(HtmlVariable.DISCONNECT_SESSIONS.getName()) != null)
sessionPermissionsCode =
sessionPermissionsCode + SessionPermissions.DISCONNECT_SESSIONS.getCode();
if (req.getParameter(HtmlVariable.VIEW_SESSION_PERMISSIONS.getName()) != null)
sessionPermissionsCode =
sessionPermissionsCode + SessionPermissions.VIEW_SESSION_PERMISSIONS.getCode();
if (req.getParameter(HtmlVariable.CHANGE_SESSION_PERMISSIONS.getName()) != null)
sessionPermissionsCode =
sessionPermissionsCode + SessionPermissions.CHANGE_SESSION_PERMISSIONS.getCode();
Error error = Error.NONE;
UserBean userBean = (UserBean) req.getAttribute(AuthRequestAttribute.USER.getName());
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
Transaction txn = datastore.beginTransaction(TransactionOptions.Builder.withXG(true));
User user = UserFactory.getByKey(datastore, txn, userBean.getKey());
UserPermissions userPermissions = null;
if (user == null) error = Error.NON_EXISTENT_USER;
else if ((userPermissions =
PermissionsFactory.getUserPermissionsByUserId(datastore, txn, user.getUserId()))
== null) error = Error.NO_PERMISSIONS;
else
try {
userPermissions.setSessionPermissions(sessionPermissionsCode);
PermissionsFactory.updateUserPermissions(datastore, txn, userPermissions);
txn.commit();
userPermissionsBean = new UserPermissionsBean(userPermissions);
req.setAttribute(AuthRequestAttribute.USER_PERMISSIONS.getName(), userPermissionsBean);
} catch (ConcurrentModificationException e) {
error = Error.ERROR_IN_SESSION_PERMISSIONS;
}
if (error != Error.NONE && txn.isActive()) txn.rollback();
if (userPermissionsBean.getViewSessions()
&& userPermissionsBean.getViewSessionPermissions()) {
req.setAttribute(HtmlVariable.ERROR.getName(), error.toString());
req.getRequestDispatcher("/WEB-INF/auth/session-permissions.jsp").forward(req, resp);
} else resp.sendRedirect("/auth/settings");
} else req.getRequestDispatcher("/WEB-INF/auth/session-permissions.jsp").forward(req, resp);
} else resp.sendRedirect("/auth/settings");
}
@Override
public boolean createOrUpdateSparePart(
String electronicShopID,
String sparePartID,
String name,
String sparePartGroupID,
String description,
double deliveryPrice,
String measuringUnit) {
boolean flagNew = false;
// check if we know that shop
if (!ConfigurationProperties.getElectronicShopID().equals(electronicShopID)) {
logger.warning("electronicShopID \"" + electronicShopID + "\" not known!");
return false;
}
List<SparePart> spl = SparePart.queryGetByForeignID(sparePartID, 0, 1);
SparePart sp;
if (spl.size() == 0) {
sp = new SparePart();
flagNew = true;
} else {
sp = spl.get(0);
}
try {
List<SparePartGroup> sparePartGroup =
SparePartGroup.queryGetByForeignID(sparePartGroupID, 0, 1);
if (sparePartGroup.size() == 0) {
logger.warning("sparePartGroupID \"" + sparePartGroupID + "\" not known!");
return false;
}
sp.setForeignID(sparePartID);
sp.setSparePartGroupID(sparePartGroup.get(0).getID());
sp.setName(name);
sp.setDescription(description);
sp.setDeliveryPrice(deliveryPrice);
sp.setSalePrice(deliveryPrice); // <--- отначало продажната цена е същата като доставната !!!
sp.setMeasuringUnit(measuringUnit);
Transaction tr =
DatastoreServiceFactory.getDatastoreService()
.beginTransaction(TransactionOptions.Builder.withXG(true));
sp.writeToDB();
if (flagNew) {
// добавяме нова част -> инициализираме записите за тази част във всички автосервизи
SparePartAutoservice spa = new SparePartAutoservice();
spa.setQuantityAvailable(0);
spa.setQuantityBad(0);
spa.setQuantityMinimum(0);
spa.setQuantityOrdered(0);
spa.setQuantityReserved(0);
spa.setQuantityRequested(0);
spa.setSparePartID(sp.getID());
List<Autoservice> al = Autoservice.queryGetAll(0, 1000);
for (Autoservice autoservice : al) {
spa.setAutoserviceID(autoservice.getID());
spa.writeToDB(true);
}
}
tr.commit();
} catch (RuntimeException e) {
logger.log(Level.WARNING, "Can't write to DB!", e);
return false;
}
return true;
}