Example usage for org.hibernate ScrollableResults get

Introduction

In this page you can find the example usage for org.hibernate ScrollableResults get.

Prototype

Object get(int i);

Source Link

Document

Get the ith object in the current row of results, without initializing any other results in the row.

Usage

From source file:com.lp.server.system.fastlanereader.LieferartHandler.java

License:Open Source License

/**
 * sort//from ww  w.  j a  v  a 2  s  . c  o m
 * 
 * @param sortierKriterien
 *            SortierKriterium[]
 * @param selectedId
 *            Object
 * @return QueryResult
 * @throws EJBExceptionLP
 */
public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {

    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            session = setFilter(session);
            String queryString = getFromClause() + buildWhereClause() + buildOrderByClause();

            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRLieferart lieferart = (FLRLieferart) scrollableResult.get(0);
                    Integer id = lieferart.getI_id();
                    if (selectedId.equals(id)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }

        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.MediaartHandler.java

License:Open Source License

/**
 * sorts the data of the current query using the specified criterias and
 * returns the page of data where the row of selectedId is contained.
 * /*w  w  w.j a  v  a  2  s. c o  m*/
 * @param sortierKriterien
 *            the new sort criterias.
 * @param selectedId
 *            the id of the entity that should be included in the result
 *            page.
 * @return the sorted data containing the page where the entity with the
 *         specified id is located.
 * @throws EJBExceptionLP
 */
public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {

    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            session = setFilter(session);
            String queryString = getFromClause() + buildWhereClause() + buildOrderByClause();

            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRMediaart mediaart = (FLRMediaart) scrollableResult.get(0);
                    String cNr = mediaart.getC_nr();
                    if (selectedId.equals(cNr)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.ParameteranwenderHandler.java

License:Open Source License

public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;//ww w.  j  a v  a 2  s . c o  m
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            String queryString = "select " + FLR_PARAMETERANWENDER + ParameterFac.FLR_PARAMETERANWENDER_ID_COMP
                    + FLR_PARAMETERANWENDER_FROM_CLAUSE + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            boolean idFound = false;
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRParameteranwenderPK id = (FLRParameteranwenderPK) scrollableResult.get(0); // TYPE OF KEY ATTRIBUTE !!!
                    if (selectedId.equals(id)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.ParameterHandler.java

License:Open Source License

public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;/*  w w  w .  j  av  a2s. co m*/
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            String queryString = "select parameter.c_nr from FLRParameter parameter " + this.buildWhereClause()
                    + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            boolean idFound = false;
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    String iId = (String) scrollableResult.get(0);
                    if (selectedId.equals(iId)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.ParametermandantHandler.java

License:Open Source License

public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;/*from w w w. j a va2s  .  c  o m*/
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            String queryString = "select " + FLR_PARAMETERMANDANT + ParameterFac.FLR_PARAMETERMANDANT_ID_COMP
                    + FLR_PARAMETERMANDANT_FROM_CLAUSE + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            boolean idFound = false;
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRParametermandantPK id = (FLRParametermandantPK) scrollableResult.get(0); // TYPE OF KEY ATTRIBUTE !!!
                    if (selectedId.equals(id)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.PositionsartHandler.java

License:Open Source License

public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {

    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;//from   ww  w . j ava 2  s  .c om
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            session = setFilter(session);
            String queryString = getFromClause() + buildWhereClause() + buildOrderByClause();

            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRPositionsart positionsart = (FLRPositionsart) scrollableResult.get(0);
                    String cNr = positionsart.getC_nr();
                    if (selectedId.equals(cNr)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.StatusHandler.java

License:Open Source License

public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {

    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;//from   w  w  w. j  a v  a2 s .c  om
    int rowNumber = 0;

    if (selectedId != null) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            session = setFilter(session);
            String queryString = getFromClause() + buildWhereClause() + buildOrderByClause();

            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRStatus status = (FLRStatus) scrollableResult.get(0);
                    String cNr = status.getC_nr();
                    if (selectedId.equals(cNr)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.lp.server.system.fastlanereader.ZahlungszielHandler.java

License:Open Source License

public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {

    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;//from w w w.j  av a 2s  . c o m
    int rowNumber = 0;

    if (selectedId != null && ((Integer) selectedId).intValue() >= 0) {
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;

        try {
            session = factory.openSession();
            session = setFilter(session);
            String queryString = getFromClause() + buildWhereClause() + buildOrderByClause();

            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    FLRZahlungsziel zahlungsziel = (FLRZahlungsziel) scrollableResult.get(0);
                    Integer id = zahlungsziel.getId();
                    if (selectedId.equals(id)) {
                        rowNumber = scrollableResult.getRowNumber();
                        break;
                    }
                }
            }

        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER, he);
            }
        }
    }

    if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
        rowNumber = 0;
    }

    result = this.getPageAt(new Integer(rowNumber));
    result.setIndexOfSelectedRow(rowNumber);

    return result;
}

---

From source file:com.mysema.query.jpa.IntegrationBase.java

License:Apache License

@Test
public void Scroll() {
    session.save(new Cat("Bob", 10));
    session.save(new Cat("Steve", 11));

    HibernateQuery query = new HibernateQuery(session);
    ScrollableResults results = query.from(QCat.cat).scroll(ScrollMode.SCROLL_INSENSITIVE, QCat.cat);
    while (results.next()) {
        System.out.println(results.get(0));
    }//from   w  w  w  .  ja v a 2  s . c  o  m
    results.close();
}

---

From source file:com.openkm.servlet.admin.RebuildIndexesServlet.java

License:Open Source License

/**
 * FlushToIndexes implementation/*from  w  w  w  . j a v a2 s  .  c om*/
 */
@SuppressWarnings("rawtypes")
private void luceneIndexesFlushToIndexes(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    log.debug("luceneIndexesFlushToIndexes({}, {})", request, response);
    PrintWriter out = response.getWriter();
    response.setContentType(MimeTypeConfig.MIME_HTML);
    header(out, "Rebuild Lucene indexes", breadcrumb);
    out.flush();

    FullTextSession ftSession = null;
    Session session = null;
    Transaction tx = null;

    // Activity log
    UserActivity.log(request.getRemoteUser(), "ADMIN_FORCE_REBUILD_INDEXES", null, null, null);

    try {
        Config.SYSTEM_MAINTENANCE = true;
        Config.SYSTEM_READONLY = true;
        out.println("<ul>");
        out.println("<li>System into maintenance mode</li>");
        FileLogger.info(BASE_NAME, "BEGIN - Rebuild Lucene indexes");

        session = HibernateUtil.getSessionFactory().openSession();
        ftSession = Search.getFullTextSession(session);
        ftSession.setFlushMode(FlushMode.MANUAL);
        ftSession.setCacheMode(CacheMode.IGNORE);
        tx = ftSession.beginTransaction();
        Map<String, Long> total = new HashMap<String, Long>();

        // Calculate number of entities
        for (Class cls : classes) {
            String nodeType = cls.getSimpleName();
            out.println("<li>Calculate " + nodeType + "</li>");
            out.flush();
            long partial = NodeBaseDAO.getInstance().getCount(nodeType);
            FileLogger.info(BASE_NAME, "Number of {0}: {1}", nodeType, partial);
            out.println("<li>Number of " + nodeType + ": " + partial + "</li>");
            out.flush();
            total.put(nodeType, partial);
        }

        // Rebuild indexes
        out.println("<li>Rebuilding indexes</li>");
        out.flush();

        // Scrollable results will avoid loading too many objects in memory
        for (Class cls : classes) {
            String nodeType = cls.getSimpleName();
            out.println("<li>Indexing " + nodeType + "</li>");
            out.flush();

            ProgressMonitor monitor = new ProgressMonitor(out, nodeType, total.get(nodeType));
            ScrollableResults results = ftSession.createCriteria(cls)
                    .setFetchSize(Config.HIBERNATE_INDEXER_BATCH_SIZE_LOAD_OBJECTS)
                    .scroll(ScrollMode.FORWARD_ONLY);
            int index = 0;

            while (results.next()) {
                monitor.documentsAdded(1);
                ftSession.index(results.get(0)); // Index each element

                if (index++ % Config.HIBERNATE_INDEXER_BATCH_SIZE_LOAD_OBJECTS == 0) {
                    ftSession.flushToIndexes(); // Apply changes to indexes
                    ftSession.clear(); // Free memory since the queue is processed
                }
            }
        }

        tx.commit();

        Config.SYSTEM_READONLY = false;
        Config.SYSTEM_MAINTENANCE = false;
        out.println("<li>System out of maintenance mode</li>");
        out.flush();

        // Finalized
        FileLogger.info(BASE_NAME, "END - Rebuild Lucene indexes");
        out.println("<li>Index rebuilding completed!</li>");
        out.println("</ul>");
        out.flush();
    } catch (Exception e) {
        tx.rollback();
        out.println("<div class=\"warn\">Exception: " + e.getMessage() + "</div>");
        out.flush();
    } finally {
        Config.SYSTEM_READONLY = false;
        Config.SYSTEM_MAINTENANCE = false;
        HibernateUtil.close(ftSession);
        HibernateUtil.close(session);
    }

    // End page
    footer(out);
    out.flush();
    out.close();

    log.debug("luceneIndexesFlushToIndexes: void");
}

---

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