ElasticSearch之深度分页

Lucene 3.5 提供深度分页支持 searchAfter方法 (http://www.cnblogs.com/yuanermen/archive/2012/02/09/2343993.html)

 @Override
 public List searchBlogsList(String content,String bTypeId,String sDate,String eDate,Page page) throws IOException, ParseException {
 List blogList=new ArrayList() ;
 // TODO Auto-generated method stub
 TokenStream tokenStream=null;
 try{
 analyzer = new IKAnalyzer();
 //获取IndexSearcher 对象
 IndexSearcher indexSearch =commonIndexWriter.getIndexSearcher();
 QueryParser queryParser= commonIndexWriter.getQueryParser();
 //搜索条件的结合
 String str="";
 if(StringUtils.isNotEmpty(content)){
 str="title:"+content+" content:"+content;
 }
 if(StringUtils.isNotEmpty(bTypeId) && !bTypeId.equals("-1")){
 if(StringUtils.isNotEmpty(str)){
 str=str+" AND bTypeId:"+bTypeId;
 }else{
 str=str+" bTypeId:"+bTypeId;
 }
 }
 if(StringUtils.isNotEmpty(sDate)){
 if(StringUtils.isNotEmpty(str)){
 str=str+" AND gmt_create:["+sDate+" TO "+eDate+"]";
 }else{
 str=str+" gmt_create:["+sDate+" TO "+eDate+"]";
 }
 }
 //设置搜索条件
 Query query=queryParser.parse(str);
 //查询搜索引擎
 TopDocs result = indexSearch.search(query, 10);
 //上一页的最后一个document索引
 int index=(page.getCurrentPage()-1)*page.getPerPageSize();
 ScoreDoc scoreDoc=null;
 //如果当前页是第一页面scoreDoc=null。
 if(index>0){
 //因为索引是从0开始所以要index-1
 scoreDoc=result.scoreDocs[index-1];
 }
 //分页处理
 TopDocs hits= indexSearch.searchAfter(scoreDoc, query, page.getPerPageSize());
 //设置分页的总记录数
 page.setCounts(hits.totalHits);
 BlogsDO blog=null;
 //循环hits.scoreDocs数据，并使用indexSearch.doc方法把Document还原，再拿出对应的字段的值
 for (int i = 0; i < hits.scoreDocs.length; i++) {
 ScoreDoc sdoc = hits.scoreDocs[i];
 Document doc = indexSearch.doc(sdoc.doc);
 blog=new BlogsDO();
 String title=doc.get("title");
 String mark=doc.get("content");
 //加亮处理
 SimpleHTMLFormatter simplehtml=new SimpleHTMLFormatter("", "");
 Highlighter highlighter = new Highlighter(simplehtml,new QueryScorer(query));
 if(title!=null){
 tokenStream = analyzer.tokenStream("title",new StringReader(title));
 String highLightText = highlighter.getBestFragment(tokenStream, title);
 blog.setTitle(highLightText==null?title:highLightText);
 }else{
 blog.setTitle(title);
 }
 //加亮处理
 if(mark!=null){
 tokenStream = analyzer.tokenStream("content",new StringReader(mark));
 String highLightText = highlighter.getBestFragment(tokenStream, mark);
 blog.setContent(highLightText==null?mark:highLightText);
 }else{
 blog.setContent(mark);
 }
 blog.setBlogsId(Integer.valueOf(doc.get("blogsId")));
 blog.setNickName(doc.get("nickName"));
 blog.setbTypeId(doc.get("bTypeId"));
 blog.setbTypeName(doc.get("bTypeName"));
 blog.setRevDate(doc.get("gmt_create"));
 SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
 blog.setGmtCreate(sdf.parse(doc.get("gmt_create")));
 blogList.add(blog);
 }
 indexSearch.close();
 }catch (java.text.ParseException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }catch (InvalidTokenOffsetsException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
 return blogList;