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.tasks.service.persistence;
016    
017    import com.liferay.portal.kernel.dao.orm.QueryPos;
018    import com.liferay.portal.kernel.dao.orm.QueryUtil;
019    import com.liferay.portal.kernel.dao.orm.SQLQuery;
020    import com.liferay.portal.kernel.dao.orm.Session;
021    import com.liferay.portal.kernel.dao.orm.Type;
022    import com.liferay.portal.kernel.exception.SystemException;
023    import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;
024    import com.liferay.portlet.tasks.model.TasksProposal;
025    import com.liferay.portlet.tasks.model.impl.TasksProposalImpl;
026    import com.liferay.util.dao.orm.CustomSQLUtil;
027    
028    import java.util.Iterator;
029    import java.util.List;
030    
031    /**
032     * @author Raymond Augé
033     */
034    public class TasksProposalFinderImpl
035            extends BasePersistenceImpl<TasksProposal> implements TasksProposalFinder {
036    
037            public static String COUNT_BY_G_U =
038                    TasksProposalFinder.class.getName() + ".countByG_U";
039    
040            public static String FIND_BY_G_U =
041                    TasksProposalFinder.class.getName() + ".findByG_U";
042    
043            public int countByG_U(long groupId, long userId)
044                    throws SystemException {
045    
046                    Session session = null;
047    
048                    try {
049                            session = openSession();
050    
051                            String sql = CustomSQLUtil.get(COUNT_BY_G_U);
052    
053                            SQLQuery q = session.createSQLQuery(sql);
054    
055                            q.addScalar(COUNT_COLUMN_NAME, Type.LONG);
056    
057                            QueryPos qPos = QueryPos.getInstance(q);
058    
059                            qPos.add(groupId);
060                            qPos.add(userId);
061    
062                            Iterator<Long> itr = q.list().iterator();
063    
064                            if (itr.hasNext()) {
065                                    Long count = itr.next();
066    
067                                    if (count != null) {
068                                            return count.intValue();
069                                    }
070                            }
071    
072                            return 0;
073                    }
074                    catch (Exception e) {
075                            throw new SystemException(e);
076                    }
077                    finally {
078                            closeSession(session);
079                    }
080            }
081    
082            public List<TasksProposal> findByG_U(
083                            long groupId, long userId, int start, int end)
084                    throws SystemException {
085    
086                    Session session = null;
087    
088                    try {
089                            session = openSession();
090    
091                            String sql = CustomSQLUtil.get(FIND_BY_G_U);
092    
093                            SQLQuery q = session.createSQLQuery(sql);
094    
095                            q.addEntity("TasksProposal", TasksProposalImpl.class);
096    
097                            QueryPos qPos = QueryPos.getInstance(q);
098    
099                            qPos.add(groupId);
100                            qPos.add(userId);
101    
102                            return (List<TasksProposal>)QueryUtil.list(
103                                    q, getDialect(), start, end);
104                    }
105                    catch (Exception e) {
106                            throw new SystemException(e);
107                    }
108                    finally {
109                            closeSession(session);
110                    }
111            }
112    
113    }