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Merged revision(s) 1204970 from lucene/dev/branches/branch_3x: 

LUCENE-3464: Add javadocs about reopening FilterIndexReader

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1204971 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uwe Schindler 2011-11-22 13:17:03 +00:00
parent 25384f2098
commit 01dbe51a3e
1 changed files with 5 additions and 0 deletions
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lucene/src/java/org/apache/lucene/index/FilterIndexReader.java
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@ -37,6 +37,11 @@ import java.util.concurrent.ConcurrentHashMap;
* contained index reader. Subclasses of <code>FilterIndexReader</code> may
* further override some of these methods and may also provide additional
* methods and fields.
* <p><b>Note:</b> The default implementation of {@link FilterIndexReader#doOpenIfChanged}
* throws {@link UnsupportedOperationException} (like the base class),
* so it's not possible to reopen a <code>FilterIndexReader</code>.
* To reopen, you have to first reopen the underlying reader
* and wrap it again with the custom filter.
*/
public class FilterIndexReader extends IndexReader {