Examples with Transaction com.haulmont.cuba.core.Transaction used on opensource projects

Example 61 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class AuthenticationManagerBean method substituteUser.

@Nonnull
@Override
public UserSession substituteUser(User substitutedUser) {
    UserSession currentSession = userSessionSource.getUserSession();
    try (Transaction tx = persistence.createTransaction()) {
        EntityManager em = persistence.getEntityManager();
        User user;
        if (currentSession.getUser().equals(substitutedUser)) {
            user = em.find(User.class, substitutedUser.getId());
            if (user == null) {
                throw new NoResultException("User not found");
            }
        } else {
            user = loadSubstitutedUser(substitutedUser, currentSession, em);
        }
        UserSession session = userSessionManager.createSession(currentSession, user);
        withSecurityContext(new SecurityContext(serverSession), () -> publishUserSubstitutedEvent(currentSession, session));
        tx.commit();
        userSessions.remove(currentSession);
        userSessionManager.clearPermissionsOnUser(session);
        userSessions.add(session);
        return session;
    }
}

Example 62 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class AuthenticationManagerBean method authenticate.

@Override
@Nonnull
public AuthenticationDetails authenticate(Credentials credentials) throws LoginException {
    checkNotNullArgument(credentials, "credentials should not be null");
    SecurityContext previousSecurityContext = AppContext.getSecurityContext();
    AppContext.setSecurityContext(new SecurityContext(serverSession));
    try (Transaction tx = persistence.createTransaction()) {
        AuthenticationDetails authenticationDetails = authenticateInternal(credentials);
        tx.commit();
        userSessionManager.clearPermissionsOnUser(authenticationDetails.getSession());
        return authenticationDetails;
    } finally {
        AppContext.setSecurityContext(previousSecurityContext);
    }
}

Example 63 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class UserSessionManager method getPermissionValue.

public Integer getPermissionValue(User user, PermissionType permissionType, String target) {
    Integer result;
    List<RoleDefinition> roles = new ArrayList<>();
    Transaction tx = persistence.createTransaction();
    try {
        EntityManager em = persistence.getEntityManager();
        user = em.find(User.class, user.getId());
        for (RoleDefinition role : rolesHelper.getRoleDefinitionsForUser(user, false)) {
            if (role != null) {
                roles.add(role);
            }
        }
        RoleDefinition joinedRole = buildJoinedRoleDefinition(roles);
        result = PermissionsUtils.getResultingPermissionValue(joinedRole, permissionType, target, rolesHelper.getPermissionUndefinedAccessPolicy());
        tx.commit();
    } finally {
        tx.end();
    }
    return result;
}

Example 64 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class CascadeDeleteTest method testRemoveCascade.

@Test
public void testRemoveCascade() throws Exception {
    try (Transaction tx = cont.persistence().createTransaction()) {
        EntityManager em = cont.persistence().getEntityManager();
        CascadeEntity loadedRoot = em.find(CascadeEntity.class, root.getId());
        em.find(CascadeEntity.class, first.getId());
        em.remove(loadedRoot);
        tx.commit();
    }
    try (Transaction tx = cont.persistence().createTransaction()) {
        EntityManager em = cont.persistence().getEntityManager();
        List r = em.createQuery("select e from test$CascadeEntity e where e.id in ?1").setParameter(1, Arrays.asList(root, first, second, third)).getResultList();
        assertEquals(0, r.size());
        tx.commit();
    }
}

Example 65 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class AttributeAccessServiceBean method computeSecurityState.

@Override
public SecurityState computeSecurityState(Entity entity) {
    Preconditions.checkNotNullArgument(entity, "entity is null");
    SecurityState state;
    String storeName = metadataTools.getStoreName(metadata.getClassNN(entity.getClass()));
    Transaction tx = persistence.createTransaction(storeName);
    try {
        Entity e;
        if (entityStates.isNew(entity)) {
            e = entity;
        } else {
            EntityManager em = persistence.getEntityManager(storeName);
            try {
                e = em.merge(entity);
            } catch (OptimisticLockException exception) {
                e = em.find(entity.getClass(), entity.getId());
            }
        }
        support.setupAttributeAccess(e);
        state = BaseEntityInternalAccess.getSecurityState(e);
    // do not commit the transaction
    } finally {
        tx.end();
    }
    return state;
}