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Posted to commits@lucene.apache.org by mi...@apache.org on 2011/01/26 23:24:23 UTC

svn commit: r1063899 - in /lucene/dev/branches/branch_3x: ./ lucene/ lucene/src/java/org/apache/lucene/index/ lucene/src/java/org/apache/lucene/util/ solr/

Author: mikemccand
Date: Wed Jan 26 22:24:23 2011
New Revision: 1063899

URL: http://svn.apache.org/viewvc?rev=1063899&view=rev
Log:
LUCENE-2474: cutover to MapBackedSet(ConcurrentHashMap) instead of Collections.syncSet(HashSet)

Added:
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/util/MapBackedSet.java
      - copied unchanged from r1063897, lucene/dev/trunk/lucene/src/java/org/apache/lucene/util/MapBackedSet.java
Modified:
    lucene/dev/branches/branch_3x/   (props changed)
    lucene/dev/branches/branch_3x/lucene/   (props changed)
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/DirectoryReader.java
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/FilterIndexReader.java
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexReader.java
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexWriter.java
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/MultiReader.java
    lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/ParallelReader.java
    lucene/dev/branches/branch_3x/solr/   (props changed)

Modified: lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/DirectoryReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/DirectoryReader.java?rev=1063899&r1=1063898&r2=1063899&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/DirectoryReader.java (original)
+++ lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/DirectoryReader.java Wed Jan 26 22:24:23 2011
@@ -29,6 +29,7 @@ import java.util.List;
 
 import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.FieldSelector;
@@ -36,6 +37,8 @@ import org.apache.lucene.search.Similari
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.Lock;
 import org.apache.lucene.store.LockObtainFailedException;
+import org.apache.lucene.util.MapBackedSet;
+
 /** 
  * An IndexReader which reads indexes with multiple segments.
  */
@@ -90,7 +93,7 @@ class DirectoryReader extends IndexReade
     this.termInfosIndexDivisor = termInfosIndexDivisor;
 
     if (readerFinishedListeners == null) {
-      this.readerFinishedListeners = Collections.synchronizedSet(new HashSet<ReaderFinishedListener>());
+      this.readerFinishedListeners = new MapBackedSet<ReaderFinishedListener>(new ConcurrentHashMap<ReaderFinishedListener,Boolean>());
     } else {
       this.readerFinishedListeners = readerFinishedListeners;
     }

Modified: lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/FilterIndexReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/FilterIndexReader.java?rev=1063899&r1=1063898&r2=1063899&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/FilterIndexReader.java (original)
+++ lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/FilterIndexReader.java Wed Jan 26 22:24:23 2011
@@ -20,12 +20,12 @@ package org.apache.lucene.index;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.FieldSelector;
 import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.MapBackedSet;
 
 import java.io.IOException;
 import java.util.Collection;
 import java.util.Map;
-import java.util.HashSet;
-import java.util.Collections;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**  A <code>FilterIndexReader</code> contains another IndexReader, which it
  * uses as its basic source of data, possibly transforming the data along the
@@ -109,7 +109,7 @@ public class FilterIndexReader extends I
   public FilterIndexReader(IndexReader in) {
     super();
     this.in = in;
-    readerFinishedListeners = Collections.synchronizedSet(new HashSet<ReaderFinishedListener>());
+    readerFinishedListeners = new MapBackedSet<ReaderFinishedListener>(new ConcurrentHashMap<ReaderFinishedListener,Boolean>());
   }
 
   @Override

Modified: lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexReader.java?rev=1063899&r1=1063898&r2=1063899&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexReader.java (original)
+++ lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexReader.java Wed Jan 26 22:24:23 2011
@@ -28,7 +28,6 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.Closeable;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -123,10 +122,7 @@ public abstract class IndexReader implem
     // Defensive (should never be null -- all impls must set
     // this):
     if (readerFinishedListeners != null) {
-
-      // Clone the set so that we don't have to sync on
-      // readerFinishedListeners while invoking them:
-      for(ReaderFinishedListener listener : new HashSet<ReaderFinishedListener>(readerFinishedListeners)) {
+      for(ReaderFinishedListener listener : readerFinishedListeners) {
         listener.finished(this);
       }
     }

Modified: lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexWriter.java?rev=1063899&r1=1063898&r2=1063899&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexWriter.java (original)
+++ lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/IndexWriter.java Wed Jan 26 22:24:23 2011
@@ -30,8 +30,8 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.Collections;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.LimitTokenCountAnalyzer;
@@ -48,6 +48,7 @@ import org.apache.lucene.store.LockObtai
 import org.apache.lucene.util.Constants;
 import org.apache.lucene.util.ThreadInterruptedException;
 import org.apache.lucene.util.Version;
+import org.apache.lucene.util.MapBackedSet;
 
 /**
   An <code>IndexWriter</code> creates and maintains an index.
@@ -461,7 +462,7 @@ public class IndexWriter implements Clos
   }
 
   // Used for all SegmentReaders we open
-  private final Collection<IndexReader.ReaderFinishedListener> readerFinishedListeners = Collections.synchronizedSet(new HashSet<IndexReader.ReaderFinishedListener>());
+  private final Collection<IndexReader.ReaderFinishedListener> readerFinishedListeners = new MapBackedSet<IndexReader.ReaderFinishedListener>(new ConcurrentHashMap<IndexReader.ReaderFinishedListener,Boolean>());
 
   Collection<IndexReader.ReaderFinishedListener> getReaderFinishedListeners() throws IOException {
     return readerFinishedListeners;

Modified: lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/MultiReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/MultiReader.java?rev=1063899&r1=1063898&r2=1063899&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/MultiReader.java (original)
+++ lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/MultiReader.java Wed Jan 26 22:24:23 2011
@@ -22,8 +22,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.HashSet;
-import java.util.Collections;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.FieldSelector;
@@ -31,6 +30,7 @@ import org.apache.lucene.index.Directory
 import org.apache.lucene.index.DirectoryReader.MultiTermEnum;
 import org.apache.lucene.index.DirectoryReader.MultiTermPositions;
 import org.apache.lucene.search.Similarity;
+import org.apache.lucene.util.MapBackedSet;
 
 /** An IndexReader which reads multiple indexes, appending
  * their content. */
@@ -85,7 +85,7 @@ public class MultiReader extends IndexRe
         hasDeletions = true;
     }
     starts[subReaders.length] = maxDoc;
-    readerFinishedListeners = Collections.synchronizedSet(new HashSet<ReaderFinishedListener>());
+    readerFinishedListeners = new MapBackedSet<ReaderFinishedListener>(new ConcurrentHashMap<ReaderFinishedListener,Boolean>());
   }
   
   /**

Modified: lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/ParallelReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/ParallelReader.java?rev=1063899&r1=1063898&r2=1063899&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/ParallelReader.java (original)
+++ lucene/dev/branches/branch_3x/lucene/src/java/org/apache/lucene/index/ParallelReader.java Wed Jan 26 22:24:23 2011
@@ -21,9 +21,11 @@ import org.apache.lucene.document.Docume
 import org.apache.lucene.document.FieldSelector;
 import org.apache.lucene.document.FieldSelectorResult;
 import org.apache.lucene.document.Fieldable;
+import org.apache.lucene.util.MapBackedSet;
 
 import java.io.IOException;
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 
 
 /** An IndexReader which reads multiple, parallel indexes.  Each index added
@@ -67,7 +69,7 @@ public class ParallelReader extends Inde
   public ParallelReader(boolean closeSubReaders) throws IOException {
     super();
     this.incRefReaders = !closeSubReaders;
-    readerFinishedListeners = Collections.synchronizedSet(new HashSet<ReaderFinishedListener>());
+    readerFinishedListeners = new MapBackedSet<ReaderFinishedListener>(new ConcurrentHashMap<ReaderFinishedListener,Boolean>());
   }
 
   /** {@inheritDoc} */