dnaber 2004/11/14 05:26:28
Modified: src/java/org/apache/lucene/search IndexSearcher.java
Log:
throw IllegalArgumentException for nDocs <= 0 to avoid NullPointerException
PR: 32227
Submitted by: Paul Elschot
Revision Changes Path
1.23 +4 -0
jakarta-lucene/src/java/org/apache/lucene/search/IndexSearcher.java
Index: IndexSearcher.java
===================================================================
RCS file:
/home/cvs/jakarta-lucene/src/java/org/apache/lucene/search/IndexSearcher.java,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -r1.22 -r1.23
--- IndexSearcher.java 30 Sep 2004 20:53:07 -0000 1.22
+++ IndexSearcher.java 14 Nov 2004 13:26:28 -0000 1.23
@@ -83,6 +83,10 @@
// inherit javadoc
public TopDocs search(Query query, Filter filter, final int nDocs)
throws IOException {
+
+ if (nDocs <= 0) // null might be returned from hq.top() below.
+ throw new IllegalArgumentException("nDocs must be > 0");
+
Scorer scorer = query.weight(this).scorer(reader);
if (scorer == null)
return new TopDocs(0, new ScoreDoc[0]);
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