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-rw-r--r--src/org/traccar/web/server/model/DataServiceImpl.java174
-rw-r--r--src/org/traccar/web/shared/model/Device.java7
-rw-r--r--src/org/traccar/web/shared/model/User.java3
3 files changed, 87 insertions, 97 deletions
diff --git a/src/org/traccar/web/server/model/DataServiceImpl.java b/src/org/traccar/web/server/model/DataServiceImpl.java
index 663f0e4..a81785b 100644
--- a/src/org/traccar/web/server/model/DataServiceImpl.java
+++ b/src/org/traccar/web/server/model/DataServiceImpl.java
@@ -25,6 +25,7 @@ import javax.naming.NamingException;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
+import javax.persistence.Query;
import javax.persistence.TypedQuery;
import javax.servlet.ServletException;
import javax.servlet.http.HttpSession;
@@ -45,7 +46,7 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
private static final String PERSISTENCE_UNIT_DEBUG = "debug";
private static final String PERSISTENCE_UNIT_RELEASE = "release";
private static final String ATTRIBUTE_USER = "traccar.user";
- private static final String ATTRIBUTE_SETTINGS = "traccar.settings";
+ private static final String ATTRIBUTE_ENTITYMANAGER = "traccar.entitymanager";
private EntityManagerFactory entityManagerFactory;
@@ -65,29 +66,38 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
entityManagerFactory = Persistence.createEntityManagerFactory(persistenceUnit);
// Create Administrator account
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
- TypedQuery<User> query = entityManager.createQuery("SELECT x FROM User x WHERE x.login = 'admin'", User.class);
- List<User> results = query.getResultList();
- if (results.isEmpty()) {
- User user = new User();
- user.setLogin("admin");
- user.setPassword("admin");
- user.setAdmin(true);
- createUser(user);
- }
- } finally {
- entityManager.close();
+ EntityManager entityManager = getServletEntityManager();
+ TypedQuery<User> query = entityManager.createQuery("SELECT x FROM User x WHERE x.login = 'admin'", User.class);
+ List<User> results = query.getResultList();
+ if (results.isEmpty()) {
+ User user = new User();
+ user.setLogin("admin");
+ user.setPassword("admin");
+ user.setAdmin(true);
+ createUser(entityManager, user);
}
}
- @Override
- public void destroy() {
- entityManagerFactory.close();
- super.destroy();
+ private EntityManager servletEntityManager;
+
+ private EntityManager getServletEntityManager() {
+ if (servletEntityManager == null) {
+ servletEntityManager = entityManagerFactory.createEntityManager();
+ }
+ return servletEntityManager;
}
- private void setUser(User user) {
+ private EntityManager getSessionEntityManager() {
+ HttpSession session = getThreadLocalRequest().getSession();
+ EntityManager entityManager = (EntityManager) session.getAttribute(ATTRIBUTE_ENTITYMANAGER);
+ if (entityManager == null) {
+ entityManager = entityManagerFactory.createEntityManager();
+ session.setAttribute(ATTRIBUTE_ENTITYMANAGER, entityManager);
+ }
+ return entityManager;
+ }
+
+ private void setSessionUser(User user) {
HttpSession session = getThreadLocalRequest().getSession();
if (user != null) {
session.setAttribute(ATTRIBUTE_USER, user);
@@ -96,20 +106,20 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
}
}
- private User getUser() {
+ private User getSessionUser() {
HttpSession session = getThreadLocalRequest().getSession();
return (User) session.getAttribute(ATTRIBUTE_USER);
}
@Override
public User authenticated() {
- return getUser();
+ return getSessionUser();
}
@Override
public User login(String login, String password) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
TypedQuery<User> query = entityManager.createQuery(
"SELECT x FROM User x WHERE x.login = :login", User.class);
query.setParameter("login", login);
@@ -117,18 +127,16 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
if (!results.isEmpty() && password.equals(results.get(0).getPassword())) {
User user = results.get(0);
- setUser(user);
+ setSessionUser(user);
return user;
}
return null;
- } finally {
- entityManager.close();
}
}
@Override
public boolean logout() {
- setUser(null);
+ setSessionUser(null);
return true;
}
@@ -138,8 +146,8 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
User user = new User();
user.setLogin(login);
user.setPassword(password);
- createUser(user);
- setUser(user);
+ createUser(getSessionEntityManager(), user);
+ setSessionUser(user);
return user;
} else {
throw new SecurityException();
@@ -148,22 +156,20 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
@Override
public List<User> getUsers() {
- List<User> users = new LinkedList<User>();
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
+ List<User> users = new LinkedList<User>();
users.addAll(entityManager.createQuery("SELECT x FROM User x", User.class).getResultList());
return users;
- } finally {
- entityManager.close();
}
}
@Override
public User addUser(User user) {
- User currentUser = getUser();
+ User currentUser = getSessionUser();
if (currentUser.getAdmin()) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
entityManager.getTransaction().begin();
try {
entityManager.persist(user);
@@ -173,8 +179,6 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
} else {
throw new SecurityException();
@@ -183,15 +187,14 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
@Override
public User updateUser(User user) {
- User currentUser = getUser();
+ User currentUser = getSessionUser();
if (currentUser.getAdmin() || (currentUser.getId() == user.getId() && !user.getAdmin())) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
entityManager.getTransaction().begin();
try {
// TODO: better solution?
if (currentUser.getId() == user.getId()) {
- entityManager.merge(currentUser);
currentUser.setLogin(user.getLogin());
currentUser.setPassword(user.getPassword());
currentUser.setUserSettings(user.getUserSettings());
@@ -202,14 +205,12 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
}
entityManager.getTransaction().commit();
- setUser(user);
+ setSessionUser(user);
return user;
} catch (RuntimeException e) {
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
} else {
throw new SecurityException();
@@ -218,13 +219,14 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
@Override
public User removeUser(User user) {
- User currentUser = getUser();
+ User currentUser = getSessionUser();
if (currentUser.getAdmin()) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
entityManager.getTransaction().begin();
try {
user = entityManager.merge(user);
+ user.getDevices().clear();
entityManager.remove(user);
entityManager.getTransaction().commit();
return user;
@@ -232,17 +234,14 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
} else {
throw new SecurityException();
}
}
- private void createUser(User user) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ private void createUser(EntityManager entityManager, User user) {
+ synchronized (entityManager) {
entityManager.getTransaction().begin();
try {
entityManager.persist(user);
@@ -251,44 +250,39 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
}
@Override
public List<Device> getDevices() {
List<Device> devices = new LinkedList<Device>();
- User user = getUser();
+ User user = getSessionUser();
devices.addAll(user.getDevices());
return devices;
}
@Override
public Device addDevice(Device device) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
- User user = getUser();
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
+ User user = getSessionUser();
entityManager.getTransaction().begin();
try {
entityManager.persist(device);
user.getDevices().add(device);
- entityManager.merge(user);
entityManager.getTransaction().commit();
return device;
} catch (RuntimeException e) {
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
}
@Override
public Device updateDevice(Device device) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
entityManager.getTransaction().begin();
try {
device = entityManager.merge(device);
@@ -298,37 +292,37 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
}
@Override
public Device removeDevice(Device device) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
- User user = getUser();
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
+ User user = getSessionUser();
entityManager.getTransaction().begin();
try {
device = entityManager.merge(device);
user.getDevices().remove(device);
+ device.setLatestPosition(null);
+ entityManager.flush();
+ Query query = entityManager.createQuery("DELETE FROM Position x WHERE x.device = :device");
+ query.setParameter("device", device);
+ query.executeUpdate();
entityManager.remove(device);
- entityManager.merge(user);
entityManager.getTransaction().commit();
return device;
} catch (RuntimeException e) {
entityManager.getTransaction().rollback();
throw e;
}
- } finally {
- entityManager.close();
}
}
@Override
public List<Position> getPositions(Device device, Date from, Date to) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
List<Position> positions = new LinkedList<Position>();
TypedQuery<Position> query = entityManager.createQuery(
"SELECT x FROM Position x WHERE x.device = :device AND x.time BETWEEN :from AND :to", Position.class);
@@ -337,17 +331,15 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
query.setParameter("to", to);
positions.addAll(query.getResultList());
return positions;
- } finally {
- entityManager.close();
}
}
@Override
public List<Position> getLatestPositions() {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getSessionEntityManager();
+ synchronized (entityManager) {
List<Position> positions = new LinkedList<Position>();
- User user = getUser();
+ User user = getSessionUser();
if (user.getDevices() != null && !user.getDevices().isEmpty()) {
TypedQuery<Position> query = entityManager.createQuery(
"SELECT x FROM Position x WHERE x.id IN (" +
@@ -356,16 +348,15 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
positions.addAll(query.getResultList());
}
return positions;
- } finally {
- entityManager.close();
}
}
+ private ApplicationSettings applicationSettings;
+
private ApplicationSettings getApplicationSettings() {
- ApplicationSettings applicationSettings = (ApplicationSettings) getServletContext().getAttribute(ATTRIBUTE_SETTINGS);
if (applicationSettings == null) {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
+ EntityManager entityManager = getServletEntityManager();
+ synchronized (entityManager) {
TypedQuery<ApplicationSettings> query = entityManager.createQuery("SELECT x FROM ApplicationSettings x", ApplicationSettings.class);
List<ApplicationSettings> resultList = query.getResultList();
if (resultList == null || resultList.isEmpty()) {
@@ -381,9 +372,6 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
} else {
applicationSettings = resultList.get(0);
}
- getServletContext().setAttribute(ATTRIBUTE_SETTINGS, applicationSettings);
- } finally {
- entityManager.close();
}
}
return applicationSettings;
@@ -394,15 +382,15 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
if (applicationSettings == null) {
return getApplicationSettings();
} else {
- EntityManager entityManager = entityManagerFactory.createEntityManager();
- try {
- User user = getUser();
+ EntityManager entityManager = getServletEntityManager();
+ synchronized (entityManager) {
+ User user = getSessionUser();
if (user.getAdmin()) {
entityManager.getTransaction().begin();
try {
entityManager.merge(applicationSettings);
entityManager.getTransaction().commit();
- getServletContext().setAttribute(ATTRIBUTE_SETTINGS, applicationSettings);
+ this.applicationSettings = applicationSettings;
return applicationSettings;
} catch (RuntimeException e) {
entityManager.getTransaction().rollback();
@@ -411,8 +399,6 @@ public class DataServiceImpl extends RemoteServiceServlet implements DataService
} else {
throw new SecurityException();
}
- } finally {
- entityManager.close();
}
}
}
diff --git a/src/org/traccar/web/shared/model/Device.java b/src/org/traccar/web/shared/model/Device.java
index 324bad8..6f6d6c5 100644
--- a/src/org/traccar/web/shared/model/Device.java
+++ b/src/org/traccar/web/shared/model/Device.java
@@ -17,7 +17,6 @@ package org.traccar.web.shared.model;
import java.io.Serializable;
-import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
@@ -49,9 +48,13 @@ public class Device implements Serializable {
return id;
}
- @OneToOne(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
+ @OneToOne(fetch = FetchType.EAGER)
private Position latestPosition;
+ public void setLatestPosition(Position latestPosition) {
+ this.latestPosition = latestPosition;
+ }
+
public Position getLatestPosition() {
return latestPosition;
}
diff --git a/src/org/traccar/web/shared/model/User.java b/src/org/traccar/web/shared/model/User.java
index ab11da4..20adc12 100644
--- a/src/org/traccar/web/shared/model/User.java
+++ b/src/org/traccar/web/shared/model/User.java
@@ -38,6 +38,7 @@ public class User implements Serializable, Cloneable {
private static final long serialVersionUID = 1;
public User() {
+ admin = false;
}
public User(User user) {
@@ -89,7 +90,7 @@ public class User implements Serializable, Cloneable {
}
@GwtTransient
- @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
+ @OneToMany(fetch = FetchType.EAGER)
private List<Device> devices = new LinkedList<Device>();
public void setDevices(List<Device> devices) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 13:59:36 +0000