mirror of https://github.com/apache/lucene.git
Fix comment.
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@ -46,7 +46,6 @@ import org.apache.lucene.index.IndexWriter;
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import org.apache.lucene.index.IndexWriterConfig;
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import org.apache.lucene.index.NoDeletionPolicy;
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import org.apache.lucene.index.SegmentInfos;
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import org.apache.lucene.index.SerialMergeScheduler;
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import org.apache.lucene.store.AlreadyClosedException;
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import org.apache.lucene.store.ChecksumIndexInput;
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import org.apache.lucene.store.Directory;
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@ -971,12 +970,8 @@ public class MockDirectoryWrapper extends BaseDirectoryWrapper {
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DirectoryReader ir1 = DirectoryReader.open(this);
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int numDocs1 = ir1.numDocs();
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ir1.close();
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// Use a serial merge scheduler, otherwise merges may be scheduled on a different thread
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// and will deadlock since the lock on `this` is already taken by close(), so
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// createOutput() won't be able to take it.
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new IndexWriter(
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this, new IndexWriterConfig(null).setCommitOnClose(false))
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.close();
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// Don't commit on close, so that no merges will be scheduled.
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new IndexWriter(this, new IndexWriterConfig(null).setCommitOnClose(false)).close();
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DirectoryReader ir2 = DirectoryReader.open(this);
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int numDocs2 = ir2.numDocs();
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ir2.close();
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