Package com.liferay.portlet.polls.ejb

Source Code of com.liferay.portlet.polls.ejb.PollsChoicePersistence

/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

package com.liferay.portlet.polls.ejb;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import com.dotcms.repackage.net.sf.hibernate.HibernateException;
import com.dotcms.repackage.net.sf.hibernate.ObjectNotFoundException;
import com.dotcms.repackage.net.sf.hibernate.Query;
import com.dotcms.repackage.net.sf.hibernate.ScrollableResults;
import com.dotcms.repackage.net.sf.hibernate.Session;

import com.liferay.portal.SystemException;
import com.liferay.portal.ejb.BasePersistence;
import com.liferay.portal.util.HibernateUtil;
import com.liferay.portlet.polls.NoSuchChoiceException;
import com.liferay.util.dao.hibernate.OrderByComparator;

/**
* <a href="PollsChoicePersistence.java.html"><b><i>View Source</i></b></a>
*
* @author  Brian Wing Shun Chan
* @version $Revision: 1.13 $
*
*/
public class PollsChoicePersistence extends BasePersistence {
  protected com.liferay.portlet.polls.model.PollsChoice create(
    PollsChoicePK pollsChoicePK) {
    return new com.liferay.portlet.polls.model.PollsChoice(pollsChoicePK);
  }

  protected com.liferay.portlet.polls.model.PollsChoice remove(
    PollsChoicePK pollsChoicePK)
    throws NoSuchChoiceException, SystemException {
    Session session = null;

    try {
      session = openSession();

      PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)session.load(PollsChoiceHBM.class,
          pollsChoicePK);
      com.liferay.portlet.polls.model.PollsChoice pollsChoice = PollsChoiceHBMUtil.model(pollsChoiceHBM);
      session.delete(pollsChoiceHBM);
      session.flush();
      PollsChoicePool.remove(pollsChoicePK);

      return pollsChoice;
    }
    catch (HibernateException he) {
      if (he instanceof ObjectNotFoundException) {
        throw new NoSuchChoiceException(pollsChoicePK.toString());
      }
      else {
        throw new SystemException(he);
      }
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected com.liferay.portlet.polls.model.PollsChoice update(
    com.liferay.portlet.polls.model.PollsChoice pollsChoice)
    throws SystemException {
    Session session = null;

    try {
      if (pollsChoice.isNew() || pollsChoice.isModified()) {
        session = openSession();

        if (pollsChoice.isNew()) {
          PollsChoiceHBM pollsChoiceHBM = new PollsChoiceHBM(pollsChoice.getQuestionId(),
              pollsChoice.getChoiceId(),
              pollsChoice.getDescription());
          session.save(pollsChoiceHBM);
          session.flush();
        }
        else {
          try {
            PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)session.load(PollsChoiceHBM.class,
                pollsChoice.getPrimaryKey());
            pollsChoiceHBM.setDescription(pollsChoice.getDescription());
            session.flush();
          }
          catch (ObjectNotFoundException onfe) {
            PollsChoiceHBM pollsChoiceHBM = new PollsChoiceHBM(pollsChoice.getQuestionId(),
                pollsChoice.getChoiceId(),
                pollsChoice.getDescription());
            session.save(pollsChoiceHBM);
            session.flush();
          }
        }

        pollsChoice.setNew(false);
        pollsChoice.setModified(false);
        pollsChoice.protect();
        PollsChoicePool.remove(pollsChoice.getPrimaryKey());
        PollsChoicePool.put(pollsChoice.getPrimaryKey(), pollsChoice);
      }

      return pollsChoice;
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected com.liferay.portlet.polls.model.PollsChoice findByPrimaryKey(
    PollsChoicePK pollsChoicePK)
    throws NoSuchChoiceException, SystemException {
    com.liferay.portlet.polls.model.PollsChoice pollsChoice = PollsChoicePool.get(pollsChoicePK);
    Session session = null;

    try {
      if (pollsChoice == null) {
        session = openSession();

        PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)session.load(PollsChoiceHBM.class,
            pollsChoicePK);
        pollsChoice = PollsChoiceHBMUtil.model(pollsChoiceHBM);
      }

      return pollsChoice;
    }
    catch (HibernateException he) {
      if (he instanceof ObjectNotFoundException) {
        throw new NoSuchChoiceException(pollsChoicePK.toString());
      }
      else {
        throw new SystemException(he);
      }
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected List findByQuestionId(String questionId)
    throws SystemException {
    Session session = null;

    try {
      session = openSession();

      StringBuffer query = new StringBuffer();
      query.append(
        "FROM PollsChoice IN CLASS com.liferay.portlet.polls.ejb.PollsChoiceHBM WHERE ");
      query.append("questionId = ?");
      query.append(" ");
      query.append("ORDER BY ");
      query.append("choiceId ASC");

      Query q = session.createQuery(query.toString());
      int queryPos = 0;
      q.setString(queryPos++, questionId);

      Iterator itr = q.list().iterator();
      List list = new ArrayList();

      while (itr.hasNext()) {
        PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)itr.next();
        list.add(PollsChoiceHBMUtil.model(pollsChoiceHBM));
      }

      return list;
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected List findByQuestionId(String questionId, int begin, int end)
    throws SystemException {
    return findByQuestionId(questionId, begin, end, null);
  }

  protected List findByQuestionId(String questionId, int begin, int end,
    OrderByComparator obc) throws SystemException {
    Session session = null;

    try {
      session = openSession();

      StringBuffer query = new StringBuffer();
      query.append(
        "FROM PollsChoice IN CLASS com.liferay.portlet.polls.ejb.PollsChoiceHBM WHERE ");
      query.append("questionId = ?");
      query.append(" ");

      if (obc != null) {
        query.append("ORDER BY " + obc.getOrderBy());
      }
      else {
        query.append("ORDER BY ");
        query.append("choiceId ASC");
      }

      Query q = session.createQuery(query.toString());
      int queryPos = 0;
      q.setString(queryPos++, questionId);

      List list = new ArrayList();

      if (getDialect().supportsLimit()) {
        q.setMaxResults(end - begin);
        q.setFirstResult(begin);

        Iterator itr = q.list().iterator();

        while (itr.hasNext()) {
          PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)itr.next();
          list.add(PollsChoiceHBMUtil.model(pollsChoiceHBM));
        }
      }
      else {
        ScrollableResults sr = q.scroll();

        if (sr.first() && sr.scroll(begin)) {
          for (int i = begin; i < end; i++) {
            PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)sr.get(0);
            list.add(PollsChoiceHBMUtil.model(pollsChoiceHBM));

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

      return list;
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected com.liferay.portlet.polls.model.PollsChoice findByQuestionId_First(
    String questionId, OrderByComparator obc)
    throws NoSuchChoiceException, SystemException {
    List list = findByQuestionId(questionId, 0, 1, obc);

    if (list.size() == 0) {
      throw new NoSuchChoiceException();
    }
    else {
      return (com.liferay.portlet.polls.model.PollsChoice)list.get(0);
    }
  }

  protected com.liferay.portlet.polls.model.PollsChoice findByQuestionId_Last(
    String questionId, OrderByComparator obc)
    throws NoSuchChoiceException, SystemException {
    int count = countByQuestionId(questionId);
    List list = findByQuestionId(questionId, count - 1, count, obc);

    if (list.size() == 0) {
      throw new NoSuchChoiceException();
    }
    else {
      return (com.liferay.portlet.polls.model.PollsChoice)list.get(0);
    }
  }

  protected com.liferay.portlet.polls.model.PollsChoice[] findByQuestionId_PrevAndNext(
    PollsChoicePK pollsChoicePK, String questionId, OrderByComparator obc)
    throws NoSuchChoiceException, SystemException {
    com.liferay.portlet.polls.model.PollsChoice pollsChoice = findByPrimaryKey(pollsChoicePK);
    int count = countByQuestionId(questionId);
    Session session = null;

    try {
      session = openSession();

      StringBuffer query = new StringBuffer();
      query.append(
        "FROM PollsChoice IN CLASS com.liferay.portlet.polls.ejb.PollsChoiceHBM WHERE ");
      query.append("questionId = ?");
      query.append(" ");

      if (obc != null) {
        query.append("ORDER BY " + obc.getOrderBy());
      }
      else {
        query.append("ORDER BY ");
        query.append("choiceId ASC");
      }

      Query q = session.createQuery(query.toString());
      int queryPos = 0;
      q.setString(queryPos++, questionId);

      com.liferay.portlet.polls.model.PollsChoice[] array = new com.liferay.portlet.polls.model.PollsChoice[3];
      ScrollableResults sr = q.scroll();

      if (sr.first()) {
        while (true) {
          PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)sr.get(0);

          if (pollsChoiceHBM == null) {
            break;
          }

          com.liferay.portlet.polls.model.PollsChoice curPollsChoice = PollsChoiceHBMUtil.model(pollsChoiceHBM);
          int value = obc.compare(pollsChoice, curPollsChoice);

          if (value == 0) {
            if (!pollsChoice.equals(curPollsChoice)) {
              break;
            }

            array[1] = curPollsChoice;

            if (sr.previous()) {
              array[0] = PollsChoiceHBMUtil.model((PollsChoiceHBM)sr.get(
                    0));
            }

            sr.next();

            if (sr.next()) {
              array[2] = PollsChoiceHBMUtil.model((PollsChoiceHBM)sr.get(
                    0));
            }

            break;
          }

          if (count == 1) {
            break;
          }

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

          if (value < 0) {
            if (!sr.scroll(count * -1)) {
              break;
            }
          }
          else {
            if (!sr.scroll(count)) {
              break;
            }
          }
        }
      }

      return array;
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected List findAll() throws SystemException {
    Session session = null;

    try {
      session = openSession();

      StringBuffer query = new StringBuffer();
      query.append(
        "FROM PollsChoice IN CLASS com.liferay.portlet.polls.ejb.PollsChoiceHBM ");
      query.append("ORDER BY ");
      query.append("choiceId ASC");

      Iterator itr = session.find(query.toString()).iterator();
      List list = new ArrayList();

      while (itr.hasNext()) {
        PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)itr.next();
        list.add(PollsChoiceHBMUtil.model(pollsChoiceHBM));
      }

      return list;
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected void removeByQuestionId(String questionId)
    throws SystemException {
    Session session = null;

    try {
      session = openSession();

      StringBuffer query = new StringBuffer();
      query.append(
        "FROM PollsChoice IN CLASS com.liferay.portlet.polls.ejb.PollsChoiceHBM WHERE ");
      query.append("questionId = ?");
      query.append(" ");
      query.append("ORDER BY ");
      query.append("choiceId ASC");

      Query q = session.createQuery(query.toString());
      int queryPos = 0;
      q.setString(queryPos++, questionId);

      Iterator itr = q.list().iterator();

      while (itr.hasNext()) {
        PollsChoiceHBM pollsChoiceHBM = (PollsChoiceHBM)itr.next();
        PollsChoicePool.remove((PollsChoicePK)pollsChoiceHBM.getPrimaryKey());
        session.delete(pollsChoiceHBM);
      }

      session.flush();
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }

  protected int countByQuestionId(String questionId)
    throws SystemException {
    Session session = null;

    try {
      session = openSession();

      StringBuffer query = new StringBuffer();
      query.append("SELECT COUNT(*) ");
      query.append(
        "FROM PollsChoice IN CLASS com.liferay.portlet.polls.ejb.PollsChoiceHBM WHERE ");
      query.append("questionId = ?");
      query.append(" ");

      Query q = session.createQuery(query.toString());
      int queryPos = 0;
      q.setString(queryPos++, questionId);

      Iterator itr = q.list().iterator();

      if (itr.hasNext()) {
        Integer count = (Integer)itr.next();

        if (count != null) {
          return count.intValue();
        }
      }

      return 0;
    }
    catch (HibernateException he) {
      throw new SystemException(he);
    }
    finally {
      HibernateUtil.closeSession(session);
    }
  }
}
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