Example usage for org.hibernate ScrollableResults next

List of usage examples for org.hibernate ScrollableResults next

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Introduction

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

Prototype

boolean next();

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Usage

From source file:com.liferay.jbpm.util.QueryUtil.java

License:Open Source License

public static List<?> list(Query query, Dialect dialect, int begin, int end) {

    if ((begin == ALL_POS) && (end == ALL_POS)) {
        return query.list();
    } else {//from   www .j a  va2s  .c  o m
        if (dialect.supportsLimit()) {
            query.setMaxResults(end - begin);
            query.setFirstResult(begin);

            return query.list();
        } else {
            List<Object> list = new ArrayList<Object>();

            ScrollableResults sr = query.scroll();

            if (sr.first() && sr.scroll(begin)) {
                for (int i = begin; i < end; i++) {
                    Object obj = sr.get(0);

                    list.add(obj);

                    if (!sr.next()) {
                        break;
                    }
                }
            }

            return list;
        }
    }
}

From source file:com.liferay.jbpm.util.QueryUtil.java

License:Open Source License

public static Comparable<?>[] getPrevAndNext(Query query, int count, OrderByComparator obc,
        Comparable<?> comparable) {

    int pos = count;
    int boundary = 0;

    Comparable<?>[] array = new Comparable[3];

    ScrollableResults sr = query.scroll();

    if (sr.first()) {
        while (true) {
            Object obj = sr.get(0);

            if (obj == null) {
                if (_log.isWarnEnabled()) {
                    _log.warn("Object is null");
                }//from   ww w.  j  a  v a2 s .c o  m

                break;
            }

            Comparable<?> curComparable = (Comparable<?>) obj;

            int value = obc.compare(comparable, curComparable);

            if (_log.isDebugEnabled()) {
                _log.debug("Comparison result is " + value);
            }

            if (value == 0) {
                if (!comparable.equals(curComparable)) {
                    break;
                }

                array[1] = curComparable;

                if (sr.previous()) {
                    array[0] = (Comparable<?>) sr.get(0);
                }

                sr.next();

                if (sr.next()) {
                    array[2] = (Comparable<?>) sr.get(0);
                }

                break;
            }

            if (pos == 1) {
                break;
            }

            pos = (int) Math.ceil(pos / 2.0);

            int scrollPos = pos;

            if (value < 0) {
                scrollPos = scrollPos * -1;
            }

            boundary += scrollPos;

            if (boundary < 0) {
                scrollPos = scrollPos + (boundary * -1) + 1;

                boundary = 0;
            }

            if (boundary > count) {
                scrollPos = scrollPos - (boundary - count);

                boundary = scrollPos;
            }

            if (_log.isDebugEnabled()) {
                _log.debug("Scroll " + scrollPos);
            }

            if (!sr.scroll(scrollPos)) {
                if (value < 0) {
                    if (!sr.next()) {
                        break;
                    }
                } else {
                    if (!sr.previous()) {
                        break;
                    }
                }
            }
        }
    }

    return array;
}

From source file:com.lp.server.anfrage.fastlanereader.AnfrageartHandler.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.
 * //from www.  ja v  a 2 s .  c  o m
 * @param sortierKriterien
 *            nach diesen Kriterien wird das Ergebnis sortiert
 * @param selectedId
 *            auf diesem Datensatz soll der Cursor stehen
 * @return QueryResult das Ergebnis der Abfrage
 * @throws EJBExceptionLP
 *             Ausnahme
 * @see UseCaseHandler#sort(SortierKriterium[], Object)
 */
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()) {
                    FLRAnfrageart anfrageart = (FLRAnfrageart) scrollableResult.get(0);
                    String c_nr = anfrageart.getC_nr();
                    if (selectedId.equals(c_nr)) {
                        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.anfrage.fastlanereader.AnfrageHandler.java

License:Open Source License

/**
 * sorts the data described by the current query using the specified sort
 * criterias. The current query is also updated with the new sort criterias.
 * /*w  w w.ja  va 2s.co  m*/
 * @param sortierKriterien
 *            nach diesen Kriterien wird das Ergebnis sortiert
 * @param selectedId
 *            auf diesem Datensatz soll der Cursor stehen
 * @return QueryResult das Ergebnis der Abfrage
 * @throws EJBExceptionLP
 *             Ausnahme
 * @see UseCaseHandler#sort(SortierKriterium[], Object)
 */
public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
    QueryResult result = null;

    try {
        int rowNumber = 0;

        getQuery().setSortKrit(sortierKriterien);

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

            try {
                session = factory.openSession();
                String queryString = "select " + FLR_ANFRAGE + "i_id" + FLR_ANFRAGE_FROM_CLAUSE
                        + this.buildWhereClause() + this.buildOrderByClause();
                Query query = session.createQuery(queryString);
                ScrollableResults scrollableResult = query.scroll();
                if (scrollableResult != null) {
                    scrollableResult.beforeFirst();
                    while (scrollableResult.next()) {
                        Integer id = (Integer) scrollableResult.getInteger(0);
                        if (selectedId.equals(id)) {
                            rowNumber = scrollableResult.getRowNumber();
                            break;
                        }
                    }
                }
            } finally {
                try {
                    session.close();
                } catch (HibernateException he) {
                    throw new EJBExceptionLP(EJBExceptionLP.FEHLER_HIBERNATE, he);
                }
            }
        }

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

        result = this.getPageAt(new Integer(rowNumber));
        result.setIndexOfSelectedRow(rowNumber);
    } catch (Throwable t) {
        throw new EJBExceptionLP(EJBExceptionLP.FEHLER, new Exception(t));
    }

    return result;
}

From source file:com.lp.server.anfrage.fastlanereader.AnfragepositionartHandler.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.
 * /*from w w  w .  j a v a  2 s. c om*/
 * @param sortierKriterien
 *            nach diesen Kriterien wird das Ergebnis sortiert
 * @param selectedId
 *            auf diesem Datensatz soll der Cursor stehen
 * @return QueryResult das Ergebnis der Abfrage
 * @throws EJBExceptionLP
 *             Ausnahme
 * @see UseCaseHandler#sort(SortierKriterium[], Object)
 */
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();
            String queryString = "select " + FLR_ANFRAGEPOSITIONART
                    + AnfrageServiceFac.FLR_ANFRAGEPOSITIONART_POSITIONSART_C_NR
                    + FLR_ANFRAGEPOSITIONART_FROM_CLAUSE + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    String c_nr = (String) scrollableResult.getString(0);
                    if (selectedId.equals(c_nr)) {
                        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.anfrage.fastlanereader.AnfragepositionHandler.java

License:Open Source License

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

    QueryResult result = null;//from w ww.  java2s. c o  m
    int rowNumber = 0;

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

        try {
            session = factory.openSession();
            String queryString = "select " + FLR_ANFRAGEPOSITION + "i_id" + FLR_ANFRAGEPOSITION_FROM_CLAUSE
                    + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    Integer id = (Integer) scrollableResult.getInteger(0);
                    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, 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.anfrage.fastlanereader.AnfragepositionlieferdatenHandler.java

License:Open Source License

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

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

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

        try {
            session = factory.openSession();
            String queryString = "select " + FLR_ANFRAGEPOSITIONLIEFERDATEN + "i_id"
                    + FLR_ANFRAGEPOSITIONLIEFERDATEN_FROM_CLAUSE + this.buildWhereClause()
                    + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    Integer id = (Integer) scrollableResult.getInteger(0);
                    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, 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.anfrage.fastlanereader.AnfragetextHandler.java

License:Open Source License

/**
 * sorts the data described by the current query using the specified sort
 * criterias. The current query is also updated with the new sort criterias.
 * //  w ww.j  a va2 s. c  o m
 * @param sortierKriterien
 *            nach diesen Kriterien wird das Ergebnis sortiert
 * @param selectedId
 *            auf diesem Datensatz soll der Cursor stehen
 * @return QueryResult das Ergebnis der Abfrage
 * @throws EJBExceptionLP
 *             Ausnahme
 * @see UseCaseHandler#sort(SortierKriterium[], Object)
 */
public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;
    int rowNumber = 0;

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

        try {
            session = factory.openSession();
            String queryString = "select " + FLR_ANFRAGETEXT + "i_id" + FLR_ANFRAGETEXT_FROM_CLAUSE
                    + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    Integer id = (Integer) scrollableResult.getInteger(0);
                    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.lp.server.anfrage.fastlanereader.ZertifikatartHandler.java

License:Open Source License

/**
 * sorts the data described by the current query using the specified sort
 * criterias. The current query is also updated with the new sort criterias.
 * // w w  w . j  a va  2  s  .c  om
 * @param sortierKriterien
 *            nach diesen Kriterien wird das Ergebnis sortiert
 * @param selectedId
 *            auf diesem Datensatz soll der Cursor stehen
 * @return QueryResult das Ergebnis der Abfrage
 * @throws EJBExceptionLP
 *             Ausnahme
 * @see UseCaseHandler#sort(SortierKriterium[], Object)
 */
public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
    this.getQuery().setSortKrit(sortierKriterien);

    QueryResult result = null;
    int rowNumber = 0;

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

        try {
            session = factory.openSession();
            String queryString = "select " + FLR_ZERTIFIKATART + "i_id" + FLR_ZERTIFIKATART_FROM_CLAUSE
                    + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            ScrollableResults scrollableResult = query.scroll();
            if (scrollableResult != null) {
                scrollableResult.beforeFirst();
                while (scrollableResult.next()) {
                    Integer id = (Integer) scrollableResult.getInteger(0);
                    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.lp.server.angebot.fastlanereader.AngebotartHandler.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  ww.  ja  va 2 s . c o  m*/
 * @param sortierKriterien
 *            nach diesen Kriterien wird das Ergebnis sortiert
 * @param selectedId
 *            auf diesem Datensatz soll der Cursor stehen
 * @return QueryResult das Ergebnis der Abfrage
 * @throws EJBExceptionLP
 *             Ausnahme
 * @see UseCaseHandler#sort(SortierKriterium[], Object)
 */
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()) {
                    FLRAngebotart angebotart = (FLRAngebotart) scrollableResult.get(0);
                    String cNr = angebotart.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;
}