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Posted to commits@lucene.apache.org by rm...@apache.org on 2012/08/14 00:03:16 UTC
svn commit: r1372645 - in /lucene/dev/trunk/lucene: CHANGES.txt
core/src/java/org/apache/lucene/index/IndexReader.java
Author: rmuir
Date: Mon Aug 13 22:03:16 2012
New Revision: 1372645
URL: http://svn.apache.org/viewvc?rev=1372645&view=rev
Log:
LUCENE-4152: add one syllable method to enumerate subreaders
Modified:
lucene/dev/trunk/lucene/CHANGES.txt
lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/IndexReader.java
Modified: lucene/dev/trunk/lucene/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/CHANGES.txt?rev=1372645&r1=1372644&r2=1372645&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/CHANGES.txt (original)
+++ lucene/dev/trunk/lucene/CHANGES.txt Mon Aug 13 22:03:16 2012
@@ -31,6 +31,10 @@ API Changes
and exposes Iterator, so you can iterate over field names with
for (String field : fields) instead. (Robert Muir)
+* LUCENE-4152: added IndexReader.leaves(), which lets you enumerate
+ the leaf atomic reader contexts for all readers in the tree.
+ (Uwe Schindler, Robert Muir)
+
Bug Fixes
* LUCENE-4297: BooleanScorer2 would multiply the coord() factor
Modified: lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/IndexReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/IndexReader.java?rev=1372645&r1=1372644&r2=1372645&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/IndexReader.java (original)
+++ lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/IndexReader.java Mon Aug 13 22:03:16 2012
@@ -21,6 +21,7 @@ import java.io.Closeable;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedHashSet;
+import java.util.List;
import java.util.WeakHashMap;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
@@ -396,6 +397,13 @@ public abstract class IndexReader implem
* @lucene.experimental
*/
public abstract IndexReaderContext getTopReaderContext();
+
+ /**
+ * Returns the reader's leaves, or itself if this reader is Atomic.
+ */
+ public final List<AtomicReaderContext> leaves() {
+ return getTopReaderContext().leaves();
+ }
/** Expert: Returns a key for this IndexReader, so FieldCache/CachingWrapperFilter can find
* it again.