001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.ratings.service.persistence;
016    
017    import com.liferay.portal.kernel.dao.orm.QueryPos;
018    import com.liferay.portal.kernel.dao.orm.SQLQuery;
019    import com.liferay.portal.kernel.dao.orm.Session;
020    import com.liferay.portal.kernel.exception.SystemException;
021    import com.liferay.portal.kernel.util.StringUtil;
022    import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;
023    import com.liferay.portlet.ratings.model.RatingsEntry;
024    import com.liferay.portlet.ratings.model.impl.RatingsEntryImpl;
025    import com.liferay.util.dao.orm.CustomSQLUtil;
026    
027    import java.util.List;
028    
029    /**
030     * @author Shuyang Zhou
031     */
032    public class RatingsEntryFinderImpl extends BasePersistenceImpl<RatingsEntry>
033                    implements RatingsEntryFinder {
034    
035            public static String FIND_BY_U_C_C =
036                    RatingsEntryFinder.class.getName() + ".findByU_C_C";
037    
038            public List<RatingsEntry> findByU_C_C(
039                            long userId, long classNameId, List<Long> classPKs)
040                    throws SystemException {
041    
042                    Session session = null;
043    
044                    try {
045                            session = openSession();
046    
047                            String sql = CustomSQLUtil.get(FIND_BY_U_C_C);
048    
049                            sql = StringUtil.replace(
050                                    sql, "[$CLASS_PKS$]", StringUtil.merge(classPKs));
051    
052                            SQLQuery q = session.createSQLQuery(sql);
053    
054                            q.addEntity("RatingsEntry", RatingsEntryImpl.class);
055    
056                            QueryPos qPos = QueryPos.getInstance(q);
057    
058                            qPos.add(userId);
059                            qPos.add(classNameId);
060    
061                            return q.list();
062                    }
063                    catch (Exception e) {
064                            throw new SystemException(e);
065                    }
066                    finally {
067                            closeSession(session);
068                    }
069            }
070    
071    }