otis 2003/09/16 05:52:10
Modified: src/java/org/apache/lucene/search QueryFilter.java
Log:
- Fixed bug 20290
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=20290
- Added @version.
Revision Changes Path
1.4 +7 -2
jakarta-lucene/src/java/org/apache/lucene/search/QueryFilter.java
Index: QueryFilter.java
===================================================================
RCS file:
/home/cvs/jakarta-lucene/src/java/org/apache/lucene/search/QueryFilter.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- QueryFilter.java 13 Sep 2003 23:40:29 -0000 1.3
+++ QueryFilter.java 16 Sep 2003 12:52:10 -0000 1.4
@@ -68,10 +68,12 @@
* QueryFilter that matches, e.g., only documents modified within the last
* week. The QueryFilter and RangeQuery would only need to be reconstructed
* once per day.
+ *
+ * @version $Id$
*/
public class QueryFilter extends Filter {
private Query query;
- private transient WeakHashMap cache = new WeakHashMap();
+ private transient WeakHashMap cache = null;
/** Constructs a filter which only matches documents matching
* <code>query</code>.
@@ -82,6 +84,10 @@
public BitSet bits(IndexReader reader) throws IOException {
+ if (cache == null) {
+ cache = new WeakHashMap();
+ }
+
synchronized (cache) { // check cache
BitSet cached = (BitSet) cache.get(reader);
if (cached != null) {
@@ -96,7 +102,6 @@
bits.set(doc); // set bit for hit
}
});
-
synchronized (cache) { // update cache
cache.put(reader, bits);
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