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git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1384278 13f79535-47bb-0310-9956-ffa450edef68
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Michael McCandless 2012-09-13 11:32:19 +00:00
parent dc02cdd384
commit 882d6ec9c4
1 changed files with 7 additions and 6 deletions
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13
lucene/core/src/java/org/apache/lucene/index/CompositeReader.java
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@ -22,12 +22,13 @@ import java.util.List;
import org.apache.lucene.search.SearcherManager; // javadocs import org.apache.lucene.search.SearcherManager; // javadocs
import org.apache.lucene.store.*; import org.apache.lucene.store.*;
/** Instances of this reader type can only /**
be used to get stored fields from the underlying AtomicReaders, Instances of this reader type can only
but it is not possible to directly retrieve postings. To do that, get be used to get stored fields from the underlying AtomicReaders,
the sub-readers via {@link #getSequentialSubReaders}. but it is not possible to directly retrieve postings. To do that, get
Alternatively, you can mimic an {@link AtomicReader} (with a serious slowdown), the {@link AtomicReaderContext} for all sub-readers via {@link #leaves}.
by wrapping composite readers with {@link SlowCompositeReaderWrapper}. Alternatively, you can mimic an {@link AtomicReader} (with a serious slowdown),
by wrapping composite readers with {@link SlowCompositeReaderWrapper}.
<p>IndexReader instances for indexes on disk are usually constructed <p>IndexReader instances for indexes on disk are usually constructed
with a call to one of the static <code>DirectoryReader.open()</code> methods, with a call to one of the static <code>DirectoryReader.open()</code> methods,