Thanks eric
in Ian's link, particularly see the section "Don't iterate over morehits
than necessary".
A couple of other things:
1> Loading the entire document just to get a field or two isn't
very efficient, think about lazy loading (See FieldSelector)
i done it , but have couple of questions
2> What do you mean when you say "not very good"? Using too
much memory? Slow?
yes , of course , it went for java heap space .
here is my code
IndexReader open = IndexReader.open(indexDir);
IndexSearcher searcher = new IndexSearcher(open);
final String fName = "title";
QueryParser parser = new QueryParser("contents", new
StopAnalyzer());
Query query = parser.parse(qryStr);
TopDocCollector collector = new TopDocCollector(1000);//
searcher.search(query, collector);
FieldSelector selector = new FieldSelector() {
public FieldSelectorResult accept(String fieldName) {
return fieldName == fName ?
FieldSelectorResult.LOAD
: FieldSelectorResult.LAZY_LOAD;
}
};
final int totalHits = collector.getTotalHits();
ScoreDoc[] scoreDocs = collector.topDocs().scoreDocs;
for (int i = 0; i < totalHits; i++) {
Document doc = searcher.doc(scoreDocs[i].doc, selector);
System.out.println(i+" ) "+doc.get("title"));
System.out.println(doc.get("path"));
}
can you please tune my code to work it faster and better, is it possible to
display total hits like google , since am using new TopDocCollector(1000);
it won't allow you to pick total hits ?? am i right???
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