com.liferay.portlet.asset.service.persistence.AssetCategoryPropertyFinderImpl.java Source code

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Here is the source code for com.liferay.portlet.asset.service.persistence.AssetCategoryPropertyFinderImpl.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.asset.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.service.persistence.impl.BasePersistenceImpl;
import com.liferay.portlet.asset.model.AssetCategoryProperty;
import com.liferay.portlet.asset.model.impl.AssetCategoryPropertyImpl;
import com.liferay.util.dao.orm.CustomSQLUtil;

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

/**
 * @author Brian Wing Shun Chan
 * @author Jorge Ferrer
 */
public class AssetCategoryPropertyFinderImpl extends BasePersistenceImpl<AssetCategoryProperty>
        implements AssetCategoryPropertyFinder {

    public static String COUNT_BY_G_K = AssetCategoryPropertyFinder.class.getName() + ".countByG_K";

    public static String FIND_BY_G_K = AssetCategoryPropertyFinder.class.getName() + ".findByG_K";

    public int countByG_K(long groupId, String key) throws SystemException {
        Session session = null;

        try {
            session = openSession();

            String sql = CustomSQLUtil.get(COUNT_BY_G_K);

            SQLQuery q = session.createSQLQuery(sql);

            q.addScalar(COUNT_COLUMN_NAME, Type.LONG);

            QueryPos qPos = QueryPos.getInstance(q);

            qPos.add(groupId);
            qPos.add(key);

            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 List<AssetCategoryProperty> findByG_K(long groupId, String key) throws SystemException {

        return findByG_K(groupId, key, QueryUtil.ALL_POS, QueryUtil.ALL_POS);
    }

    public List<AssetCategoryProperty> findByG_K(long groupId, String key, int start, int end)
            throws SystemException {

        Session session = null;

        try {
            session = openSession();

            String sql = CustomSQLUtil.get(FIND_BY_G_K);

            SQLQuery q = session.createSQLQuery(sql);

            q.addScalar("categoryPropertyValue", Type.STRING);

            QueryPos qPos = QueryPos.getInstance(q);

            qPos.add(groupId);
            qPos.add(key);

            List<AssetCategoryProperty> categoryProperties = new ArrayList<AssetCategoryProperty>();

            Iterator<String> itr = (Iterator<String>) QueryUtil.iterate(q, getDialect(), start, end);

            while (itr.hasNext()) {
                String value = itr.next();

                AssetCategoryProperty categoryProperty = new AssetCategoryPropertyImpl();

                categoryProperty.setKey(key);
                categoryProperty.setValue(value);

                categoryProperties.add(categoryProperty);
            }

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

}