Package org.apache.tapestry.vlib

Examples of org.apache.tapestry.vlib.VirtualLibraryEngine

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                ? null
                : (Integer[]) deletedIds.toArray(new Integer[deletedIds.size()]);

        // Now, push the updates through to the database

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        int i = 0;
        while (true)
        {
            try
            {
                IOperations operations = vengine.getOperations();

                operations.updatePublishers(updated, deleted);

                break;
            }
            catch (FinderException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoveException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure(getMessage("update-failure"), ex, i++);
            }
        }

        // Clear any cached info about publishers.

        vengine.clearCache();
    }
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        // An error, from a validation field, may already have occured.

        if (delegate.getHasErrors())
            return;

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        int i = 0;
        while (true)
        {
            try
            {
                IOperations operations = vengine.getOperations();

                Person person = operations.login(getEmail(), password);

                loginUser(person, cycle);

                break;

            }
            catch (LoginException ex)
            {
                String fieldName = ex.isPasswordError() ? "inputPassword" : "inputEmail";

                setErrorField(fieldName, ex.getMessage());
                return;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception validating user.", ex, i++);
            }
        }
    }
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     **/

    public void activate(IRequestCycle cycle)
    {
        Visit visit = (Visit) getVisit();
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) cycle.getEngine();

        Integer userId = visit.getUserId();
        Map attributes = null;

        int i = 0;
        while (true)
        {
            try
            {
                IOperations operations = vengine.getOperations();

                attributes = operations.getPersonAttributes(userId);

                break;
            }
            catch (FinderException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception reading user.", ex, i++);
            }
        }

        attributes.remove("password");
        setAttributes(attributes);
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            attributes.put("password", password1);
        }

        Visit visit = (Visit) getVisit();
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) cycle.getEngine();
        Integer userId = visit.getUserId();

        int i = 0;
        while (true)
        {
            try
            {
                /**
                 *  Note:  this allows the user to change thier e-mail
                 *  such that it conflicts with another user!  Need yet-another
                 *  IOperations method to perform the update!
                 *
                 **/

                IOperations operations = vengine.getOperations();

                operations.updatePerson(userId, attributes);
                break;
            }
            catch (FinderException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception updating user attributes.", ex, i++);
            }
        }

        vengine.clearCache();

        MyLibrary myLibrary = (MyLibrary) cycle.getPage("MyLibrary");
        myLibrary.activate(cycle);
    }
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    public void beginEdit(IRequestCycle cycle, Integer bookId)
    {
        setBookId(bookId);

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        int i = 0;
        while (true)
        {
            try
            {
                // Get the attributes as a source for our input fields.

                IOperations operations = vengine.getOperations();

                setAttributes(operations.getBookAttributes(bookId));

                break;
            }
            catch (FinderException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure(
                    "Remote exception setting up page for book #" + bookId + ".",
                    ex,
                    i++);
            }
        }
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        if (isInError())
            return;

        // OK, do the update.

        VirtualLibraryEngine vengine = (VirtualLibraryEngine)cycle.getEngine();
        Integer bookId = getBookId();

        int i = 0;
        while (true)
        {
            IOperations bean = vengine.getOperations();

            try
            {
                if (publisherId != null)
                    bean.updateBook(bookId, attributes);
                else
                {
                    bean.updateBook(bookId, attributes, publisherName);
          vengine.clearCache();
                }

                break;
            }
            catch (FinderException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (CreateException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception updating book #" + bookId + ".", ex, i++);

                continue;
            }
        }
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    public abstract Integer getTargetUserId();

    public void formSubmit(IRequestCycle cycle)
    {
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        Integer targetUserId = getTargetUserId();

        Person target = vengine.readPerson(targetUserId);

        List selectedBooks = getSelectedBooks();

        int count = Tapestry.size(selectedBooks);

        if (count == 0)
        {
            setError(format("select-at-least-one-book", target.getNaturalName()));
            return;
        }

        Integer[] bookIds = (Integer[]) selectedBooks.toArray(new Integer[count]);

        int i = 0;
        while (true)
        {
            IOperations operations = vengine.getOperations();

            try
            {
                operations.transferBooks(targetUserId, bookIds);

                break;
            }
            catch (FinderException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure(getMessage("update-failure"), ex, i++);
            }
        }

        MyLibrary myLibrary = (MyLibrary) cycle.getPage("MyLibrary");
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        myLibrary.activate(cycle);
    }

    private IPropertySelectionModel buildPersonModel()
    {
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        Visit visit = (Visit) vengine.getVisit();
        Integer userPK = visit.getUserId();

        Person[] persons = null;

        int i = 0;
        while (true)
        {
            IOperations operations = vengine.getOperations();

            try
            {
                persons = operations.getPersons();

                break;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure(getMessage("read-users-failure"), ex, i++);
            }
        }

        EntitySelectionModel result = new EntitySelectionModel();
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        }
    }

    private IPropertySelectionModel buildBooksModel()
    {
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        Visit visit = (Visit) vengine.getVisit();
        Integer userPK = visit.getUserId();
        Book[] books = null;

        int i = 0;
        while (true)
        {
            books = null;

            try
            {
                IBookQuery query = vengine.createNewQuery();

                int count = query.ownerQuery(userPK, null);

                if (count > 0)
                    books = query.get(0, count);

                break;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure(getMessage("read-books-failure"), ex, i++);
            }
        }

        EntitySelectionModel result = new EntitySelectionModel();
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        setBookId(bookId);
    }

    private void readBook()
    {
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        Integer bookId = getBookId();

        int i = 0;
        while (true)
        {
            IOperations bean = vengine.getOperations();

            try
            {
                setBook(bean.getBook(bookId));

                return;
            }
            catch (FinderException ex)
            {
                vengine.presentError("Book not found in database.", getRequestCycle());
                return;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure(
                    "Remote exception obtaining information for book #" + bookId + ".",
                    ex,
                    i++);
            }
        }
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Related Classes of org.apache.tapestry.vlib.VirtualLibraryEngine

  • org.apache.tapestry.vlib.components.Border
  • org.apache.tapestry.vlib.components.Borrow
  • org.apache.tapestry.vlib.components.Browser
  • org.apache.tapestry.vlib.ejb.IBookQuery
  • org.apache.tapestry.vlib.ejb.IBookQueryHome
  • org.apache.tapestry.vlib.ejb.IOperations
  • org.apache.tapestry.vlib.ejb.IOperationsHome
  • org.apache.tapestry.vlib.ejb.Person
  • org.apache.tapestry.vlib.pages.admin.EditPublishers
  • org.apache.tapestry.vlib.pages.admin.EditUsers
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