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如何根據開始日期在lucene中實現評分和排序。按日期排序lucene文檔
應在搜索結果中首先顯示具有最新開始日期的事件。我使用Lucene Version.LUCENE_44
我從DB retreived數據,並存儲在Lucene的文檔作爲,
public static Document createDoc(Event e) {
Document d = new Document();
//event id
d.add(new StoredField("id", e.getId()));
//event name
d.add(new StoredField("eventname", e.getEName());
TextField field = new TextField("enameSrch", e.getEName(), Store.NO);
field.setBoost(10.0f);
d.add(field);
//event owner
d.add(new StoredField("eventowner", e.getEOwner());
//event start date
d.add(new LongField("edateSort", Long.MAX_VALUE-e.getEStartTime(), Store.YES));
//event tags
if (e.eventTags()!=null) {
field = new TextField("eTagSrch", e.getTags(), Store.NO);
field.setBoost(5.0f);
d.add(field);
d.add(new StoredField("eTags", e.getTags()));
}
雖然搜索我做的,
public List search(String srchTxt){
PhraseQuery enameQuery = new PhraseQuery();
Term term = new Term("enameSrch", srchTxt.toLowerCase());
enameQuery .add(term);
PhraseQuery etagQuery = new PhraseQuery();
term = new Term("eTagSrch", srchTxt.toLowerCase());
etagQuery.add(term);
BooleanQuery b= new BooleanQuery();
b.add(enameQuery , Occur.SHOULD);
b.add(etagQuery , Occur.SHOULD);
SortField startField = new SortField("edateSort", Type.LONG);
SortField scoreField = SortField.FIELD_SCORE;
Sort sort = new Sort(scoreField, startField);
TopFieldDocs tfd = searcher.search(b, 10, sort);
ScoreDoc[] myscore= tfd.scoreDocs;
重新表述:我想按日期排序文檔,在我的文檔中存儲爲長字段(請參閱上面的代碼)
誰能幫我在這... – user3342280
重新表述您的問題please..little有點難以理解。 – fatih