/**
* 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.portal.search.internal;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.search.Hits;
import com.liferay.portal.kernel.search.IndexSearcher;
import com.liferay.portal.kernel.search.IndexSearcherHelper;
import com.liferay.portal.kernel.search.ParseException;
import com.liferay.portal.kernel.search.Query;
import com.liferay.portal.kernel.search.SearchContext;
import com.liferay.portal.kernel.search.SearchEngine;
import com.liferay.portal.kernel.search.SearchEngineHelper;
import com.liferay.portal.kernel.search.SearchException;
import com.liferay.portal.kernel.util.StringPool;
import java.util.List;
import java.util.Map;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
/**
* @author Michael C. Han
*/
@Component(immediate = true, service = IndexSearcherHelper.class)
public class IndexSearcherHelperImpl implements IndexSearcherHelper {
@Override
public String getQueryString(SearchContext searchContext, Query query) {
SearchEngine searchEngine = _searchEngineHelper.getSearchEngine(
searchContext.getSearchEngineId());
IndexSearcher indexSearcher = searchEngine.getIndexSearcher();
try {
return indexSearcher.getQueryString(searchContext, query);
}
catch (ParseException pe) {
if (_log.isDebugEnabled()) {
_log.debug("Unable to parse query " + query, pe);
}
}
return StringPool.BLANK;
}
@Override
public Hits search(SearchContext searchContext, Query query)
throws SearchException {
if (_log.isDebugEnabled()) {
_log.debug("Search query " + getQueryString(searchContext, query));
}
SearchEngine searchEngine = _searchEngineHelper.getSearchEngine(
searchContext.getSearchEngineId());
IndexSearcher indexSearcher = searchEngine.getIndexSearcher();
return indexSearcher.search(searchContext, query);
}
@Override
public long searchCount(SearchContext searchContext, Query query)
throws SearchException {
if (_log.isDebugEnabled()) {
_log.debug("Search query " + getQueryString(searchContext, query));
}
SearchEngine searchEngine = _searchEngineHelper.getSearchEngine(
searchContext.getSearchEngineId());
IndexSearcher indexSearcher = searchEngine.getIndexSearcher();
return indexSearcher.searchCount(searchContext, query);
}
@Override
public String spellCheckKeywords(SearchContext searchContext)
throws SearchException {
if (_log.isDebugEnabled()) {
_log.debug("Spell checking " + searchContext.getKeywords());
}
SearchEngine searchEngine = _searchEngineHelper.getSearchEngine(
searchContext.getSearchEngineId());
IndexSearcher indexSearcher = searchEngine.getIndexSearcher();
return indexSearcher.spellCheckKeywords(searchContext);
}
@Override
public Map<String, List<String>> spellCheckKeywords(
SearchContext searchContext, int max)
throws SearchException {
if (_log.isDebugEnabled()) {
_log.debug("Spell checking " + searchContext.getKeywords());
}
SearchEngine searchEngine = _searchEngineHelper.getSearchEngine(
searchContext.getSearchEngineId());
IndexSearcher indexSearcher = searchEngine.getIndexSearcher();
return indexSearcher.spellCheckKeywords(searchContext, max);
}
@Override
public String[] suggestKeywordQueries(SearchContext searchContext, int max)
throws SearchException {
if (_log.isDebugEnabled()) {
_log.debug(
"Suggesting keyword queries" + searchContext.getKeywords());
}
SearchEngine searchEngine = _searchEngineHelper.getSearchEngine(
searchContext.getSearchEngineId());
IndexSearcher indexSearcher = searchEngine.getIndexSearcher();
return indexSearcher.suggestKeywordQueries(searchContext, max);
}
private static final Log _log = LogFactoryUtil.getLog(
IndexSearcherHelperImpl.class);
@Reference
private SearchEngineHelper _searchEngineHelper;
}