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LUCENE-2923: simplify demo by removing custom collector/paging=false option 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1072607 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2011-02-20 15:01:47 +00:00
parent 81f2f88ecd
commit 874355b954
1 changed files with 5 additions and 56 deletions
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61
lucene/contrib/demo/src/java/org/apache/lucene/demo/SearchFiles.java
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@ -27,13 +27,10 @@ import java.util.Date;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.IndexReader.AtomicReaderContext;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Collector;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.Scorer;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.util.Version;
@ -47,7 +44,6 @@ public class SearchFiles {
public static void main(String[] args) throws Exception {
String usage =
"Usage:\tjava org.apache.lucene.demo.SearchFiles [-index dir] [-field f] [-repeat n] [-queries file] [-query string] [-raw] [-paging hitsPerPage]\n\nSee http://lucene.apache.org/java/4_0/demo.html for details.";
usage += "\n\tSpecify 'false' for hitsPerPage to use streaming instead of paging search.";
if (args.length > 0 && ("-h".equals(args[0]) || "-help".equals(args[0]))) {
System.out.println(usage);
System.exit(0);
@ -58,7 +54,6 @@ public class SearchFiles {
String queries = null;
int repeat = 0;
boolean raw = false;
boolean paging = true;
String queryString = null;
int hitsPerPage = 10;
@ -81,13 +76,10 @@ public class SearchFiles {
} else if ("-raw".equals(args[i])) {
raw = true;
} else if ("-paging".equals(args[i])) {
if (args[i+1].equals("false")) {
paging = false;
} else {
hitsPerPage = Integer.parseInt(args[i+1]);
if (hitsPerPage == 0) {
paging = false;
}
hitsPerPage = Integer.parseInt(args[i+1]);
if (hitsPerPage <= 0) {
System.err.println("There must be at least 1 hit per page.");
System.exit(1);
}
i++;
}
@ -131,11 +123,7 @@ public class SearchFiles {
System.out.println("Time: "+(end.getTime()-start.getTime())+"ms");
}
if (paging) {
doPagingSearch(in, searcher, query, hitsPerPage, raw, queries == null && queryString == null);
} else {
doStreamingSearch(searcher, query);
}
doPagingSearch(in, searcher, query, hitsPerPage, raw, queries == null && queryString == null);
if (queryString != null) {
break;
@ -143,45 +131,6 @@ public class SearchFiles {
}
searcher.close();
}
/**
* This method uses a custom Collector implementation which simply prints out
* the docId and score of every matching document.
*
* This simulates the streaming search use case, where all hits are supposed to
* be processed, regardless of their relevance.
*/
public static void doStreamingSearch(final IndexSearcher searcher, Query query) throws IOException {
Collector streamingHitCollector = new Collector() {
private Scorer scorer;
private int docBase;
// simply print docId and score of every matching document
@Override
public void collect(int doc) throws IOException {
System.out.println("doc=" + doc + docBase + " score=" + scorer.score());
}
@Override
public boolean acceptsDocsOutOfOrder() {
return true;
}
@Override
public void setNextReader(AtomicReaderContext context)
throws IOException {
this.docBase = context.docBase;
}
@Override
public void setScorer(Scorer scorer) throws IOException {
this.scorer = scorer;
}
};
searcher.search(query, streamingHitCollector);
}
/**
* This demonstrates a typical paging search scenario, where the search engine presents