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LUCENE-2837: only populate subSearchers if they will be used 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1056086 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2011-01-06 21:20:18 +00:00
parent 8d7d57abdc
commit 8dfb827d0c
1 changed files with 14 additions and 8 deletions
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12
lucene/src/java/org/apache/lucene/search/IndexSearcher.java
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@ -64,9 +64,10 @@ public class IndexSearcher {
// in the next release
protected final ReaderContext readerContext;
protected final AtomicReaderContext[] leafContexts;
protected final IndexSearcher[] subSearchers;
// protected final int[] docStarts;
// These are only used for multi-threaded search
private final ExecutorService executor;
protected final IndexSearcher[] subSearchers;
/** The Similarity implementation used by this searcher. */
private Similarity similarity = Similarity.getDefault();
@ -165,8 +166,12 @@ public class IndexSearcher {
assert context.leaves() != null : "non-atomic top-level context must have leaves";
this.leafContexts = context.leaves();
}
if (executor == null) {
subSearchers = null;
} else {
subSearchers = new IndexSearcher[this.leafContexts.length];
for (int i = 0; i < subSearchers.length; i++) { // TODO do we need those IS if executor is null?
for (int i = 0; i < subSearchers.length; i++) {
if (leafContexts[i].reader == context.reader) {
subSearchers[i] = this;
} else {
@ -174,6 +179,7 @@ public class IndexSearcher {
}
}
}
}
/** Return the {@link IndexReader} this searches. */
public IndexReader getIndexReader() {