com.liferay.portlet.wiki.service.persistence.WikiPageFinderImpl.java Source code

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Here is the source code for com.liferay.portlet.wiki.service.persistence.WikiPageFinderImpl.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portlet.wiki.service.persistence;

import com.liferay.portal.kernel.dao.orm.QueryPos;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.dao.orm.SQLQuery;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.dao.orm.Type;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;
import com.liferay.portlet.wiki.NoSuchPageException;
import com.liferay.portlet.wiki.model.WikiPage;
import com.liferay.portlet.wiki.model.impl.WikiPageImpl;
import com.liferay.util.dao.orm.CustomSQLUtil;

import java.sql.Timestamp;

import java.util.Date;
import java.util.Iterator;
import java.util.List;

/**
 * @author Brian Wing Shun Chan
 */
public class WikiPageFinderImpl extends BasePersistenceImpl<WikiPage> implements WikiPageFinder {

    public static String COUNT_BY_CREATE_DATE = WikiPageFinder.class.getName() + ".countByCreateDate";

    public static String FIND_BY_RESOURCE_PRIM_KEY = WikiPageFinder.class.getName() + ".findByResourcePrimKey";

    public static String FIND_BY_CREATE_DATE = WikiPageFinder.class.getName() + ".findByCreateDate";

    public static String FIND_BY_NO_ASSETS = WikiPageFinder.class.getName() + ".findByNoAssets";

    public int countByCreateDate(long nodeId, Date createDate, boolean before) throws SystemException {

        return countByCreateDate(nodeId, new Timestamp(createDate.getTime()), before);
    }

    public int countByCreateDate(long nodeId, Timestamp createDate, boolean before) throws SystemException {

        Session session = null;

        try {
            session = openSession();

            String createDateComparator = StringPool.GREATER_THAN;

            if (before) {
                createDateComparator = StringPool.LESS_THAN;
            }

            String sql = CustomSQLUtil.get(COUNT_BY_CREATE_DATE);

            sql = StringUtil.replace(sql, "[$CREATE_DATE_COMPARATOR$]", createDateComparator);

            SQLQuery q = session.createSQLQuery(sql);

            q.addScalar(COUNT_COLUMN_NAME, Type.LONG);

            QueryPos qPos = QueryPos.getInstance(q);

            qPos.add(nodeId);
            qPos.add(createDate);
            qPos.add(true);
            qPos.add(WorkflowConstants.STATUS_APPROVED);

            Iterator<Long> itr = q.iterate();

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

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

            return 0;
        } catch (Exception e) {
            throw new SystemException(e);
        } finally {
            closeSession(session);
        }
    }

    public WikiPage findByResourcePrimKey(long resourcePrimKey) throws NoSuchPageException, SystemException {

        Session session = null;

        try {
            session = openSession();

            String sql = CustomSQLUtil.get(FIND_BY_RESOURCE_PRIM_KEY);

            SQLQuery q = session.createSQLQuery(sql);

            q.addEntity("WikiPage", WikiPageImpl.class);

            QueryPos qPos = QueryPos.getInstance(q);

            qPos.add(resourcePrimKey);

            List<WikiPage> pages = q.list();

            if (!pages.isEmpty()) {
                return pages.get(0);
            }
        } catch (Exception e) {
            throw new SystemException(e);
        } finally {
            closeSession(session);
        }

        StringBundler sb = new StringBundler(3);

        sb.append("No WikiPage exists with the key {resourcePrimKey");
        sb.append(resourcePrimKey);
        sb.append("}");

        throw new NoSuchPageException(sb.toString());
    }

    public List<WikiPage> findByCreateDate(long nodeId, Date createDate, boolean before, int start, int end)
            throws SystemException {

        return findByCreateDate(nodeId, new Timestamp(createDate.getTime()), before, start, end);
    }

    public List<WikiPage> findByCreateDate(long nodeId, Timestamp createDate, boolean before, int start, int end)
            throws SystemException {

        Session session = null;

        try {
            session = openSession();

            String createDateComparator = StringPool.GREATER_THAN;

            if (before) {
                createDateComparator = StringPool.LESS_THAN;
            }

            String sql = CustomSQLUtil.get(FIND_BY_CREATE_DATE);

            sql = StringUtil.replace(sql, "[$CREATE_DATE_COMPARATOR$]", createDateComparator);

            SQLQuery q = session.createSQLQuery(sql);

            q.addEntity("WikiPage", WikiPageImpl.class);

            QueryPos qPos = QueryPos.getInstance(q);

            qPos.add(nodeId);
            qPos.add(createDate);
            qPos.add(true);
            qPos.add(WorkflowConstants.STATUS_APPROVED);

            return (List<WikiPage>) QueryUtil.list(q, getDialect(), start, end);
        } catch (Exception e) {
            throw new SystemException(e);
        } finally {
            closeSession(session);
        }
    }

    public List<WikiPage> findByNoAssets() throws SystemException {
        Session session = null;

        try {
            session = openSession();

            String sql = CustomSQLUtil.get(FIND_BY_NO_ASSETS);

            SQLQuery q = session.createSQLQuery(sql);

            q.addEntity("WikiPage", WikiPageImpl.class);

            return q.list(true);
        } catch (Exception e) {
            throw new SystemException(e);
        } finally {
            closeSession(session);
        }
    }

}