Package org.apache.tapestry.vlib

Examples of org.apache.tapestry.vlib.VirtualLibraryEngine

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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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    private void runQuery()
    {
        Visit visit = (Visit) getVisit();
        Integer userId = visit.getUserId();

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        SortOrdering ordering = new SortOrdering(getSortColumn(), isDescending());

        int i = 0;
        while (true)
        {
            try
            {
                IBookQuery query = getOwnedQuery();

                if (query == null)
                {
                    query = vengine.createNewQuery();
                    setOwnedQuery(query);
                }

                int count = query.ownerQuery(userId, ordering);

                if (count != _browser.getResultCount())
                    _browser.initializeForResultCount(count);

                break;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception accessing owned books.", ex, i++);

                setOwnedQuery(null);
            }
        }
    }
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        page.selectBook(bookId, cycle);
    }

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

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

                setMessage(format("returned-book", book.getTitle()));

                break;
            }
            catch (FinderException ex)
            {
                setError(format("unable-to-return-book", ex.getMessage()));
                return;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception returning book.", ex, i++);
            }
        }

        runQuery();
    }
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          _browser.setResultCount(count);
    }

    private int runQuery()
    {
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        Integer personId = getPersonId();

        SortOrdering ordering = new SortOrdering(getSortColumn(), isDescending());

        int i = 0;
        while (true)
        {
            IBookQuery query = getQuery();

            if (query == null)
            {
                query = vengine.createNewQuery();

                setQuery(query);
            }

            try
            {
                return query.ownerQuery(personId, ordering);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception for owner query.", ex, i++);

                setQuery(null);
            }
        }
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    {
        Person person = getPerson();

        if (person == null)
        {
            VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

            person = vengine.readPerson(getPersonId());

            setPerson(person);
        }
    }
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            _browser.initializeForResultCount(count);
    }

    private int executeQuery()
    {
        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        MasterQueryParameters parameters = getQueryParameters();

        SortOrdering ordering = new SortOrdering(getSortColumn(), isDescending());

        int i = 0;
        while (true)
        {
            try
            {
                IBookQuery query = getBookQuery();

                if (query == null)
                {
                    query = vengine.createNewQuery();
                    setBookQuery(query);
                }
               
                return query.masterQuery(parameters, ordering);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception processing query.", ex, i++);
               
                setBookQuery(null);
            }

        }
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    public void selectBook(Integer bookId, IRequestCycle cycle)
    {
        setBookId(bookId);

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

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

                setBookTitle(book.getTitle());

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

        cycle.activate(this);
    }
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    public void deleteBook(IRequestCycle cycle)
    {
        Object[] parameters = cycle.getServiceParameters();
        Integer bookPK = (Integer) parameters[0];

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        Book book = null;

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

                book = operations.deleteBook(bookPK);

                break;
            }
            catch (RemoveException ex)
            {
                throw new ApplicationRuntimeException(ex);
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception deleting book #" + bookPK + ".", ex, i++);
            }
        }

        MyLibrary myLibrary = (MyLibrary) cycle.getPage("MyLibrary");
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    private void runQuery()
    {
        Visit visit = (Visit) getVisit();
        Integer userPK = visit.getUserId();

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();

        SortOrdering ordering = new SortOrdering(getSortColumn(), isDescending());

        int i = 0;
        while (true)
        {
            try
            {
                IBookQuery query = getBorrowedQuery();

                if (query == null)
                {
                    query = vengine.createNewQuery();
                    setBorrowedQuery(query);
                }

                int count = query.borrowerQuery(userPK, ordering);

                if (count != _browser.getResultCount())
                    _browser.initializeForResultCount(count);

                break;
            }
            catch (RemoteException ex)
            {
                vengine.rmiFailure("Remote exception finding borrowed books.", ex, i++);

                setBorrowedQuery(null);
            }
        }
    }
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    public void returnBook(IRequestCycle cycle)
    {
        Object[] parameters = cycle.getServiceParameters();
        Integer bookPK = (Integer) parameters[0];

        VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine();
        IOperations operations = vengine.getOperations();

        try
        {
            Book book = operations.returnBook(bookPK);
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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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