com.liferay.polls.internal.search.PollsQuestionIndexer.java Source code

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/**
 * Copyright (c) 2000-present 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.polls.internal.search;

import com.liferay.polls.model.PollsQuestion;
import com.liferay.polls.service.PollsQuestionLocalService;
import com.liferay.portal.kernel.dao.orm.ActionableDynamicQuery;
import com.liferay.portal.kernel.dao.orm.IndexableActionableDynamicQuery;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.search.BaseIndexer;
import com.liferay.portal.kernel.search.Document;
import com.liferay.portal.kernel.search.Field;
import com.liferay.portal.kernel.search.IndexWriterHelper;
import com.liferay.portal.kernel.search.Indexer;
import com.liferay.portal.kernel.search.Summary;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;

import java.util.Locale;

import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Lino Alves
 */
@Component(immediate = true, service = Indexer.class)
public class PollsQuestionIndexer extends BaseIndexer<PollsQuestion> {

    public static final String CLASS_NAME = PollsQuestion.class.getName();

    public PollsQuestionIndexer() {
        setDefaultSelectedFieldNames(Field.ASSET_TAG_NAMES, Field.CREATE_DATE, Field.COMPANY_ID, Field.DESCRIPTION,
                Field.ENTRY_CLASS_NAME, Field.ENTRY_CLASS_PK, Field.GROUP_ID, Field.SCOPE_GROUP_ID, Field.TITLE,
                Field.UID);
        setFilterSearch(true);
    }

    @Override
    public String getClassName() {
        return CLASS_NAME;
    }

    @Override
    protected void doDelete(PollsQuestion pollsQuestion) throws Exception {
        deleteDocument(pollsQuestion.getCompanyId(), pollsQuestion.getQuestionId());
    }

    @Override
    protected Document doGetDocument(PollsQuestion pollsQuestion) throws Exception {

        Document document = getBaseModelDocument(CLASS_NAME, pollsQuestion);

        document.addDateSortable(Field.CREATE_DATE, pollsQuestion.getCreateDate());
        document.addText(Field.DESCRIPTION, getDescriptionField(pollsQuestion));
        document.addText(Field.TITLE, getTitleField(pollsQuestion));

        return document;
    }

    @Override
    protected Summary doGetSummary(Document document, Locale locale, String snippet, PortletRequest portletRequest,
            PortletResponse portletResponse) throws Exception {

        Summary summary = createSummary(document);

        summary.setMaxContentLength(200);

        return summary;
    }

    @Override
    protected void doReindex(PollsQuestion pollsQuestion) throws Exception {
        Document document = getDocument(pollsQuestion);

        indexWriterHelper.updateDocument(getSearchEngineId(), pollsQuestion.getCompanyId(), document,
                isCommitImmediately());
    }

    @Override
    protected void doReindex(String className, long classPK) throws Exception {
        PollsQuestion pollsQuestion = pollsQuestionLocalService.getPollsQuestion(classPK);

        doReindex(pollsQuestion);
    }

    @Override
    protected void doReindex(String[] ids) throws Exception {
        long companyId = GetterUtil.getLong(ids[0]);

        reindexEntries(companyId);
    }

    protected String getDescriptionField(PollsQuestion pollsQuestion) {
        String[] availableLanguageIds = pollsQuestion.getAvailableLanguageIds();

        StringBundler sb = new StringBundler();

        for (String languageId : availableLanguageIds) {
            sb.append(pollsQuestion.getDescription(languageId));
            sb.append(StringPool.SPACE);
        }

        return sb.toString();
    }

    protected String getTitleField(PollsQuestion pollsQuestion) {
        String[] availableLanguageIds = pollsQuestion.getAvailableLanguageIds();

        StringBundler sb = new StringBundler();

        for (String languageId : availableLanguageIds) {
            sb.append(pollsQuestion.getTitle(languageId));
            sb.append(StringPool.SPACE);
        }

        return sb.toString();
    }

    protected void reindexEntries(long companyId) throws PortalException {
        final IndexableActionableDynamicQuery indexableActionableDynamicQuery = pollsQuestionLocalService
                .getIndexableActionableDynamicQuery();

        indexableActionableDynamicQuery.setCompanyId(companyId);
        indexableActionableDynamicQuery
                .setPerformActionMethod(new ActionableDynamicQuery.PerformActionMethod<PollsQuestion>() {

                    @Override
                    public void performAction(PollsQuestion pollsQuestion) {
                        try {
                            Document document = getDocument(pollsQuestion);

                            indexableActionableDynamicQuery.addDocuments(document);
                        } catch (PortalException pe) {
                            if (_log.isWarnEnabled()) {
                                _log.warn("Unable to index Polls Question " + pollsQuestion.getQuestionId(), pe);
                            }
                        }
                    }

                });
        indexableActionableDynamicQuery.setSearchEngineId(getSearchEngineId());

        indexableActionableDynamicQuery.performActions();
    }

    @Reference
    protected IndexWriterHelper indexWriterHelper;

    @Reference
    protected PollsQuestionLocalService pollsQuestionLocalService;

    private static final Log _log = LogFactoryUtil.getLog(PollsQuestionIndexer.class);

}