Examples with UserTransaction javax.transaction.UserTransaction used on opensource projects

Example 61 with UserTransaction

use of javax.transaction.UserTransaction in project acs-community-packaging by Alfresco.

the class WorkflowBean method getTasksToDo.

/**
 * Returns a list of nodes representing the to do tasks the
 * current user has.
 *
 * @return List of to do tasks
 */
public List<Node> getTasksToDo() {
    if (this.tasks == null) {
        // get the current username
        FacesContext context = FacesContext.getCurrentInstance();
        User user = Application.getCurrentUser(context);
        String userName = user.getUserName();
        UserTransaction tx = null;
        try {
            tx = Repository.getUserTransaction(context, true);
            tx.begin();
            // get the current in progress tasks for the current user
            List<WorkflowTask> tasks = this.getWorkflowService().getAssignedTasks(userName, WorkflowTaskState.IN_PROGRESS, true);
            // create a list of transient nodes to represent
            this.tasks = new ArrayList<Node>(tasks.size());
            for (WorkflowTask task : tasks) {
                Node node = createTask(task);
                this.tasks.add(node);
                if (logger.isDebugEnabled())
                    logger.debug("Added to do task: " + node);
            }
            // commit the changes
            tx.commit();
        } catch (Throwable e) {
            // rollback the transaction
            try {
                if (tx != null) {
                    tx.rollback();
                }
            } catch (Exception ex) {
            }
            Utils.addErrorMessage("Failed to get to do tasks: " + e.toString(), e);
        }
    }
    return this.tasks;
}

Example 62 with UserTransaction

use of javax.transaction.UserTransaction in project acs-community-packaging by Alfresco.

the class CommandServlet method service.

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 */
protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    String uri = req.getRequestURI();
    if (logger.isDebugEnabled())
        logger.debug("Processing URL: " + uri + (req.getQueryString() != null ? ("?" + req.getQueryString()) : ""));
    AuthenticationStatus status = servletAuthenticate(req, res);
    if (status == AuthenticationStatus.Failure) {
        return;
    }
    setNoCacheHeaders(res);
    uri = uri.substring(req.getContextPath().length());
    StringTokenizer t = new StringTokenizer(uri, "/");
    int tokenCount = t.countTokens();
    if (tokenCount < 3) {
        throw new IllegalArgumentException("Command Servlet URL did not contain all required args: " + uri);
    }
    // skip servlet name
    t.nextToken();
    // get the command processor to execute the command e.g. "workflow"
    String procName = t.nextToken();
    // get the command to perform
    String command = t.nextToken();
    // get any remaining uri elements to pass to the processor
    String[] urlElements = new String[tokenCount - 3];
    for (int i = 0; i < tokenCount - 3; i++) {
        urlElements[i] = t.nextToken();
    }
    // retrieve the URL arguments to pass to the processor
    Map<String, String> args = new HashMap<String, String>(8, 1.0f);
    Enumeration names = req.getParameterNames();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        args.put(name, req.getParameter(name));
    }
    try {
        // get configured command processor by name from Config Service
        CommandProcessor processor = createCommandProcessor(procName);
        // validate that the processor has everything it needs to run the command
        if (processor.validateArguments(getServletContext(), command, args, urlElements) == false) {
            redirectToLoginPage(req, res, getServletContext());
            return;
        }
        ServiceRegistry serviceRegistry = getServiceRegistry(getServletContext());
        UserTransaction txn = null;
        try {
            txn = serviceRegistry.getTransactionService().getUserTransaction();
            txn.begin();
            // inform the processor to execute the specified command
            if (processor instanceof ExtCommandProcessor) {
                ((ExtCommandProcessor) processor).process(serviceRegistry, req, res, command);
            } else {
                processor.process(serviceRegistry, req, command);
            }
            // commit the transaction
            txn.commit();
        } catch (Throwable txnErr) {
            try {
                if (txn != null) {
                    txn.rollback();
                }
            } catch (Exception tex) {
            }
            throw txnErr;
        }
        String returnPage = req.getParameter(ARG_RETURNPAGE);
        if (returnPage != null && returnPage.length() != 0) {
            validateReturnPage(returnPage, req);
            if (logger.isDebugEnabled())
                logger.debug("Redirecting to specified return page: " + returnPage);
            res.sendRedirect(returnPage);
        } else {
            if (logger.isDebugEnabled())
                logger.debug("No return page specified, displaying status output.");
            if (res.getContentType() == null && !res.isCommitted()) {
                res.setContentType("text/html");
                // request that the processor output a useful status message
                PrintWriter out = res.getWriter();
                processor.outputStatus(out);
                out.close();
            }
        }
    } catch (Throwable err) {
        throw new AlfrescoRuntimeException("Error during command servlet processing: " + err.getMessage(), err);
    }
}

Example 63 with UserTransaction

use of javax.transaction.UserTransaction in project acs-community-packaging by Alfresco.

the class NodeDescendantsLinkRenderer method encodeEnd.

/**
 * @see javax.faces.render.Renderer#encodeEnd(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
 */
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
    // always check for this flag - as per the spec
    if (component.isRendered() == true) {
        Writer out = context.getResponseWriter();
        UINodeDescendants control = (UINodeDescendants) component;
        // make sure we have a NodeRef from the 'value' property ValueBinding
        Object val = control.getValue();
        if (val instanceof NodeRef == false) {
            throw new IllegalArgumentException("UINodeDescendants component 'value' property must resolve to a NodeRef!");
        }
        NodeRef parentRef = (NodeRef) val;
        // use Spring JSF integration to get the node service bean
        NodeService service = getNodeService(context);
        DictionaryService dd = getDictionaryService(context);
        UserTransaction tx = null;
        try {
            tx = Repository.getUserTransaction(FacesContext.getCurrentInstance(), true);
            tx.begin();
            // TODO: need a comparator to sort node refs (based on childref qname)
            // as currently the list is returned in a random order per request!
            String separator = (String) component.getAttributes().get("separator");
            if (separator == null) {
                separator = DEFAULT_SEPARATOR;
            }
            // calculate the number of displayed child refs
            if (service.exists(parentRef) == true) {
                List<ChildAssociationRef> childRefs = service.getChildAssocs(parentRef, ContentModel.ASSOC_CONTAINS, RegexQNamePattern.MATCH_ALL);
                List<Node> nodes = new ArrayList<Node>(childRefs.size());
                for (int index = 0; index < childRefs.size(); index++) {
                    ChildAssociationRef ref = childRefs.get(index);
                    QName type = service.getType(ref.getChildRef());
                    TypeDefinition typeDef = dd.getType(type);
                    if (typeDef != null && dd.isSubClass(type, ContentModel.TYPE_FOLDER) && dd.isSubClass(type, ContentModel.TYPE_SYSTEM_FOLDER) == false) {
                        nodes.add(new Node(ref.getChildRef()));
                    }
                }
                QuickSort sorter = new QuickSort(nodes, "name", true, IDataContainer.SORT_CASEINSENSITIVE);
                sorter.sort();
                // walk each child ref and output a descendant link control for each item
                int total = 0;
                int maximum = nodes.size() > control.getMaxChildren() ? control.getMaxChildren() : nodes.size();
                for (int index = 0; index < maximum; index++) {
                    Node node = nodes.get(index);
                    QName type = service.getType(node.getNodeRef());
                    TypeDefinition typeDef = dd.getType(type);
                    if (typeDef != null && dd.isSubClass(type, ContentModel.TYPE_FOLDER) && dd.isSubClass(type, ContentModel.TYPE_SYSTEM_FOLDER) == false) {
                        // output separator if appropriate
                        if (total > 0) {
                            out.write(separator);
                        }
                        out.write(renderDescendant(context, control, node.getNodeRef(), false));
                        total++;
                    }
                }
                // do we need to render ellipses to indicate more items than the maximum
                if (control.getShowEllipses() == true && nodes.size() > maximum) {
                    out.write(separator);
                    // TODO: is this the correct way to get the information we need?
                    // e.g. primary parent may not be the correct path? how do we make sure we find
                    // the correct parent and more importantly the correct Display Name value!
                    out.write(renderDescendant(context, control, service.getPrimaryParent(parentRef).getChildRef(), true));
                }
            }
            tx.commit();
        } catch (Throwable err) {
            try {
                if (tx != null) {
                    tx.rollback();
                }
            } catch (Exception tex) {
            }
            throw new RuntimeException(err);
        }
    }
}

Example 64 with UserTransaction

use of javax.transaction.UserTransaction in project microservices by pwillhan.

the class OneToOneForeignKey method storeNonUniqueRelationship.

@Test(expectedExceptions = org.hibernate.exception.ConstraintViolationException.class)
public void storeNonUniqueRelationship() throws Throwable {
    UserTransaction tx = TM.getUserTransaction();
    try {
        tx.begin();
        EntityManager em = JPA.createEntityManager();
        Address someAddress = new Address("Some Street 123", "12345", "Some City");
        User userOne = new User("johndoe");
        userOne.setShippingAddress(someAddress);
        // OK
        em.persist(userOne);
        User userTwo = new User("janeroe");
        userTwo.setShippingAddress(someAddress);
        // Fails, true unique @OneToOne!
        em.persist(userTwo);
        try {
            // Hibernate tries the INSERT but fails
            em.flush();
        } catch (Exception ex) {
            throw unwrapCauseOfType(ex, org.hibernate.exception.ConstraintViolationException.class);
        }
    } finally {
        TM.rollback();
    }
}

Example 65 with UserTransaction

use of javax.transaction.UserTransaction in project microservices by pwillhan.

the class OneToOneSharedPrimaryKey method storeAndLoadUserAddress.

@Test
public void storeAndLoadUserAddress() throws Exception {
    UserTransaction tx = TM.getUserTransaction();
    try {
        tx.begin();
        EntityManager em = JPA.createEntityManager();
        Address someAddress = new Address("Some Street 123", "12345", "Some City");
        // Generate identifier value
        em.persist(someAddress);
        User someUser = new User(// Assign same identifier value
        someAddress.getId(), "johndoe");
        em.persist(someUser);
        // Optional...
        someUser.setShippingAddress(someAddress);
        tx.commit();
        em.close();
        Long USER_ID = someUser.getId();
        Long ADDRESS_ID = someAddress.getId();
        tx.begin();
        em = JPA.createEntityManager();
        User user = em.find(User.class, USER_ID);
        assertEquals(user.getShippingAddress().getZipcode(), "12345");
        Address address = em.find(Address.class, ADDRESS_ID);
        assertEquals(address.getZipcode(), "12345");
        assertEquals(user.getId(), address.getId());
        tx.commit();
        em.close();
    } finally {
        TM.rollback();
    }
}