Index: solr/core/src/java/org/apache/solr/schema/LatLonType.java
===================================================================
--- solr/core/src/java/org/apache/solr/schema/LatLonType.java	(revision 1177055)
+++ solr/core/src/java/org/apache/solr/schema/LatLonType.java	(working copy)
@@ -372,7 +372,7 @@
 
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      return ((SpatialScorer)scorer(context, ScorerContext.def().scoreDocsInOrder(true).topScorer(true))).explain(doc);
+      return ((SpatialScorer)scorer(context, new ScorerContext(true, true, context.reader.getLiveDocs()))).explain(doc);
     }
   }
 
Index: solr/core/src/java/org/apache/solr/search/SolrIndexSearcher.java
===================================================================
--- solr/core/src/java/org/apache/solr/search/SolrIndexSearcher.java	(revision 1177055)
+++ solr/core/src/java/org/apache/solr/search/SolrIndexSearcher.java	(working copy)
@@ -24,6 +24,7 @@
 import org.apache.lucene.index.*;
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.search.*;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.FSDirectory;
 import org.apache.lucene.util.Bits;
@@ -2080,7 +2081,7 @@
         iterators.add(iter);
       }
       for (Weight w : weights) {
-        Scorer scorer = w.scorer(context, Weight.ScorerContext.def());
+        Scorer scorer = w.scorer(context, new ScorerContext(context.reader.getLiveDocs()));
         if (scorer == null) return null;
         iterators.add(scorer);
       }
Index: modules/join/src/java/org/apache/lucene/search/join/BlockJoinQuery.java
===================================================================
--- modules/join/src/java/org/apache/lucene/search/join/BlockJoinQuery.java	(revision 1177055)
+++ modules/join/src/java/org/apache/lucene/search/join/BlockJoinQuery.java	(working copy)
@@ -148,7 +148,8 @@
     @Override
     public Scorer scorer(AtomicReaderContext readerContext, ScorerContext context) throws IOException {
       // Pass scoreDocsInOrder true, topScorer false to our sub:
-      final Scorer childScorer = childWeight.scorer(readerContext, ScorerContext.def().scoreDocsInOrder(true).topScorer(false));
+      ScorerContext subContext = new ScorerContext(true, false, context.acceptDocs);
+      final Scorer childScorer = childWeight.scorer(readerContext, subContext);
 
       if (childScorer == null) {
         // No matches
Index: modules/queries/src/java/org/apache/lucene/queries/function/BoostedQuery.java
===================================================================
--- modules/queries/src/java/org/apache/lucene/queries/function/BoostedQuery.java	(revision 1177055)
+++ modules/queries/src/java/org/apache/lucene/queries/function/BoostedQuery.java	(working copy)
@@ -92,7 +92,7 @@
 
     @Override
     public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
-      Scorer subQueryScorer = qWeight.scorer(context, ScorerContext.def());
+      Scorer subQueryScorer = qWeight.scorer(context, new ScorerContext(scorerContext.acceptDocs));
       if(subQueryScorer == null) {
         return null;
       }
Index: modules/queries/src/java/org/apache/lucene/queries/function/FunctionQuery.java
===================================================================
--- modules/queries/src/java/org/apache/lucene/queries/function/FunctionQuery.java	(revision 1177055)
+++ modules/queries/src/java/org/apache/lucene/queries/function/FunctionQuery.java	(working copy)
@@ -95,7 +95,7 @@
 
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      return ((AllScorer)scorer(context, ScorerContext.def().scoreDocsInOrder(true).topScorer(true))).explain(doc);
+      return ((AllScorer)scorer(context, new ScorerContext(true, true, context.reader.getLiveDocs()))).explain(doc);
     }
   }
 
Index: modules/queries/src/java/org/apache/lucene/queries/function/valuesource/QueryValueSource.java
===================================================================
--- modules/queries/src/java/org/apache/lucene/queries/function/valuesource/QueryValueSource.java	(revision 1177055)
+++ modules/queries/src/java/org/apache/lucene/queries/function/valuesource/QueryValueSource.java	(working copy)
@@ -77,6 +77,7 @@
 
 class QueryDocValues extends FloatDocValues {
   final AtomicReaderContext readerContext;
+  final ScorerContext scorerContext;
   final Weight weight;
   final float defVal;
   final Map fcontext;
@@ -95,6 +96,7 @@
     super(vs);
 
     this.readerContext = readerContext;
+    this.scorerContext = new ScorerContext(readerContext.reader.getLiveDocs());
     this.defVal = vs.defVal;
     this.q = vs.q;
     this.fcontext = fcontext;
@@ -121,7 +123,7 @@
     try {
       if (doc < lastDocRequested) {
         if (noMatches) return defVal;
-        scorer = weight.scorer(readerContext, ScorerContext.def());
+        scorer = weight.scorer(readerContext, scorerContext);
         if (scorer==null) {
           noMatches = true;
           return defVal;
@@ -152,7 +154,7 @@
     try {
       if (doc < lastDocRequested) {
         if (noMatches) return false;
-        scorer = weight.scorer(readerContext, ScorerContext.def());
+        scorer = weight.scorer(readerContext, scorerContext);
         scorerDoc = -1;
         if (scorer==null) {
           noMatches = true;
@@ -210,7 +212,7 @@
             mval.exists = false;
             return;
           }
-          scorer = weight.scorer(readerContext, ScorerContext.def());
+          scorer = weight.scorer(readerContext, scorerContext);
           scorerDoc = -1;
           if (scorer==null) {
             noMatches = true;
Index: modules/queries/src/java/org/apache/lucene/queries/CustomScoreQuery.java
===================================================================
--- modules/queries/src/java/org/apache/lucene/queries/CustomScoreQuery.java	(revision 1177055)
+++ modules/queries/src/java/org/apache/lucene/queries/CustomScoreQuery.java	(working copy)
@@ -230,13 +230,14 @@
       // since we call advance on the valSrcScorers.  Pass
       // false for "topScorer" because we will not invoke
       // score(Collector) on these scorers:
-      Scorer subQueryScorer = subQueryWeight.scorer(context, ScorerContext.def());
+      Scorer subQueryScorer = subQueryWeight.scorer(context, new ScorerContext(scorerContext.acceptDocs));
       if (subQueryScorer == null) {
         return null;
       }
       Scorer[] valSrcScorers = new Scorer[valSrcWeights.length];
+      ScorerContext subContext = new ScorerContext(true, scorerContext.topScorer, scorerContext.acceptDocs);
       for(int i = 0; i < valSrcScorers.length; i++) {
-         valSrcScorers[i] = valSrcWeights[i].scorer(context, scorerContext.scoreDocsInOrder(true));
+         valSrcScorers[i] = valSrcWeights[i].scorer(context, subContext);
       }
       return new CustomScorer(CustomScoreQuery.this.getCustomScoreProvider(context), this, getBoost(), subQueryScorer, valSrcScorers);
     }
Index: lucene/contrib/highlighter/src/java/org/apache/lucene/search/highlight/WeightedSpanTermExtractor.java
===================================================================
--- lucene/contrib/highlighter/src/java/org/apache/lucene/search/highlight/WeightedSpanTermExtractor.java	(revision 1177055)
+++ lucene/contrib/highlighter/src/java/org/apache/lucene/search/highlight/WeightedSpanTermExtractor.java	(working copy)
@@ -33,6 +33,7 @@
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.memory.MemoryIndex;
 import org.apache.lucene.search.*;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.search.spans.FieldMaskingSpanQuery;
 import org.apache.lucene.search.spans.SpanFirstQuery;
 import org.apache.lucene.search.spans.SpanNearQuery;
@@ -248,11 +249,12 @@
     for (final String field : fieldNames) {
 
       AtomicReaderContext context = getLeafContextForField(field);
+      ScorerContext scorerContext = new ScorerContext(context.reader.getLiveDocs());
       final Spans spans;
       if (mustRewriteQuery) {
-        spans = queries.get(field).getSpans(context);
+        spans = queries.get(field).getSpans(context, scorerContext);
       } else {
-        spans = spanQuery.getSpans(context);
+        spans = spanQuery.getSpans(context, scorerContext);
       }
 
 
Index: lucene/src/test/org/apache/lucene/search/spans/TestNearSpansOrdered.java
===================================================================
--- lucene/src/test/org/apache/lucene/search/spans/TestNearSpansOrdered.java	(revision 1177055)
+++ lucene/src/test/org/apache/lucene/search/spans/TestNearSpansOrdered.java	(working copy)
@@ -170,7 +170,7 @@
     Weight w = searcher.createNormalizedWeight(q);
     ReaderContext topReaderContext = searcher.getTopReaderContext();
     AtomicReaderContext[] leaves = ReaderUtil.leaves(topReaderContext);
-    Scorer s = w.scorer(leaves[0], ScorerContext.def());
+    Scorer s = w.scorer(leaves[0], new ScorerContext(leaves[0].reader.getLiveDocs()));
     assertEquals(1, s.advance(1));
   }
   
Index: lucene/src/test/org/apache/lucene/search/spans/MultiSpansWrapper.java
===================================================================
--- lucene/src/test/org/apache/lucene/search/spans/MultiSpansWrapper.java	(revision 1177055)
+++ lucene/src/test/org/apache/lucene/search/spans/MultiSpansWrapper.java	(working copy)
@@ -24,6 +24,7 @@
 import org.apache.lucene.index.DocsEnum;
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.IndexReader.ReaderContext;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.ReaderUtil;
 
 /**
@@ -49,7 +50,7 @@
   public static Spans wrap(ReaderContext topLevelReaderContext, SpanQuery query) throws IOException {
     AtomicReaderContext[] leaves = ReaderUtil.leaves(topLevelReaderContext);
     if(leaves.length == 1) {
-      return query.getSpans(leaves[0]);
+      return query.getSpans(leaves[0], new ScorerContext(leaves[0].reader.getLiveDocs()));
     }
     return new MultiSpansWrapper(leaves, query);
   }
@@ -60,14 +61,14 @@
       return false;
     }
     if (current == null) {
-      current = query.getSpans(leaves[leafOrd]);
+      current = query.getSpans(leaves[leafOrd], new ScorerContext(leaves[leafOrd].reader.getLiveDocs()));
     }
     while(true) {
       if (current.next()) {
         return true;
       }
       if (++leafOrd < leaves.length) {
-        current = query.getSpans(leaves[leafOrd]);
+        current = query.getSpans(leaves[leafOrd], new ScorerContext(leaves[leafOrd].reader.getLiveDocs()));
       } else {
         current = null;
         break;
@@ -85,17 +86,17 @@
     int subIndex = ReaderUtil.subIndex(target, leaves);
     assert subIndex >= leafOrd;
     if (subIndex != leafOrd) {
-      current = query.getSpans(leaves[subIndex]);
+      current = query.getSpans(leaves[subIndex], new ScorerContext(leaves[subIndex].reader.getLiveDocs()));
       leafOrd = subIndex;
     } else if (current == null) {
-      current = query.getSpans(leaves[leafOrd]);
+      current = query.getSpans(leaves[leafOrd], new ScorerContext(leaves[leafOrd].reader.getLiveDocs()));
     }
     while (true) {
       if (current.skipTo(target - leaves[leafOrd].docBase)) {
         return true;
       }
       if (++leafOrd < leaves.length) {
-        current = query.getSpans(leaves[leafOrd]);
+        current = query.getSpans(leaves[leafOrd], new ScorerContext(leaves[leafOrd].reader.getLiveDocs()));
       } else {
           current = null;
           break;
Index: lucene/src/test/org/apache/lucene/search/spans/TestSpans.java
===================================================================
--- lucene/src/test/org/apache/lucene/search/spans/TestSpans.java	(revision 1177055)
+++ lucene/src/test/org/apache/lucene/search/spans/TestSpans.java	(working copy)
@@ -435,7 +435,7 @@
                                 slop,
                                 ordered);
   
-        spanScorer = searcher.createNormalizedWeight(snq).scorer(leaves[i], ScorerContext.def());
+        spanScorer = searcher.createNormalizedWeight(snq).scorer(leaves[i], new ScorerContext(leaves[i].reader.getLiveDocs()));
       } finally {
         searcher.setSimilarityProvider(oldSim);
       }
Index: lucene/src/test/org/apache/lucene/search/spans/JustCompileSearchSpans.java
===================================================================
--- lucene/src/test/org/apache/lucene/search/spans/JustCompileSearchSpans.java	(revision 1177055)
+++ lucene/src/test/org/apache/lucene/search/spans/JustCompileSearchSpans.java	(working copy)
@@ -22,6 +22,7 @@
 
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.search.Weight;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.search.similarities.Similarity;
 
 /**
@@ -82,7 +83,7 @@
     }
 
     @Override
-    public Spans getSpans(AtomicReaderContext context) throws IOException {
+    public Spans getSpans(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
       throw new UnsupportedOperationException(UNSUPPORTED_MSG);
     }
 
Index: lucene/src/test/org/apache/lucene/search/TestTermScorer.java
===================================================================
--- lucene/src/test/org/apache/lucene/search/TestTermScorer.java	(revision 1177055)
+++ lucene/src/test/org/apache/lucene/search/TestTermScorer.java	(working copy)
@@ -79,7 +79,8 @@
     
     Weight weight = indexSearcher.createNormalizedWeight(termQuery);
     assertTrue(indexSearcher.getTopReaderContext().isAtomic);
-    Scorer ts = weight.scorer((AtomicReaderContext)indexSearcher.getTopReaderContext(), ScorerContext.def().scoreDocsInOrder(true).topScorer(true));
+    AtomicReaderContext context = (AtomicReaderContext)indexSearcher.getTopReaderContext();
+    Scorer ts = weight.scorer(context, new ScorerContext(true, true, context.reader.getLiveDocs()));
     // we have 2 documents with the term all in them, one document for all the
     // other values
     final List<TestHit> docs = new ArrayList<TestHit>();
@@ -140,7 +141,8 @@
     
     Weight weight = indexSearcher.createNormalizedWeight(termQuery);
     assertTrue(indexSearcher.getTopReaderContext().isAtomic);
-    Scorer ts = weight.scorer((AtomicReaderContext) indexSearcher.getTopReaderContext(), ScorerContext.def().scoreDocsInOrder(true).topScorer(true));
+    AtomicReaderContext context = (AtomicReaderContext) indexSearcher.getTopReaderContext();
+    Scorer ts = weight.scorer(context, new ScorerContext(true, true, context.reader.getLiveDocs()));
     assertTrue("next did not return a doc",
         ts.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
     assertTrue("score is not correct", ts.score() == 1.6931472f);
@@ -158,8 +160,8 @@
     
     Weight weight = indexSearcher.createNormalizedWeight(termQuery);
     assertTrue(indexSearcher.getTopReaderContext().isAtomic);
-
-    Scorer ts = weight.scorer((AtomicReaderContext) indexSearcher.getTopReaderContext(), ScorerContext.def().scoreDocsInOrder(true).topScorer(true));
+    AtomicReaderContext context = (AtomicReaderContext) indexSearcher.getTopReaderContext();
+    Scorer ts = weight.scorer(context, new ScorerContext(true, true, context.reader.getLiveDocs()));
     assertTrue("Didn't skip", ts.advance(3) != DocIdSetIterator.NO_MORE_DOCS);
     // The next doc should be doc 5
     assertTrue("doc should be number 5", ts.docID() == 5);
Index: lucene/src/test/org/apache/lucene/search/TestDisjunctionMaxQuery.java
===================================================================
--- lucene/src/test/org/apache/lucene/search/TestDisjunctionMaxQuery.java	(revision 1177055)
+++ lucene/src/test/org/apache/lucene/search/TestDisjunctionMaxQuery.java	(working copy)
@@ -178,7 +178,8 @@
     QueryUtils.check(random, dq, s);
     assertTrue(s.getTopReaderContext().isAtomic);
     final Weight dw = s.createNormalizedWeight(dq);
-    final Scorer ds = dw.scorer((AtomicReaderContext)s.getTopReaderContext(), ScorerContext.def());
+    AtomicReaderContext context = (AtomicReaderContext)s.getTopReaderContext();
+    final Scorer ds = dw.scorer(context, new ScorerContext(context.reader.getLiveDocs()));
     final boolean skipOk = ds.advance(3) != DocIdSetIterator.NO_MORE_DOCS;
     if (skipOk) {
       fail("firsttime skipTo found a match? ... "
@@ -193,7 +194,8 @@
     assertTrue(s.getTopReaderContext().isAtomic);
     QueryUtils.check(random, dq, s);
     final Weight dw = s.createNormalizedWeight(dq);
-    final Scorer ds = dw.scorer((AtomicReaderContext)s.getTopReaderContext(), ScorerContext.def());
+    AtomicReaderContext context = (AtomicReaderContext)s.getTopReaderContext();
+    final Scorer ds = dw.scorer(context, new ScorerContext(context.reader.getLiveDocs()));
     assertTrue("firsttime skipTo found no match",
         ds.advance(3) != DocIdSetIterator.NO_MORE_DOCS);
     assertEquals("found wrong docid", "d4", r.document(ds.docID()).get("id"));
Index: lucene/src/java/org/apache/lucene/search/ConstantScoreQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/ConstantScoreQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/ConstantScoreQuery.java	(working copy)
@@ -153,7 +153,7 @@
 
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      final Scorer cs = scorer(context, ScorerContext.def());
+      final Scorer cs = scorer(context, new ScorerContext(context.reader.getLiveDocs()));
       final boolean exists = (cs != null && cs.advance(doc) == doc);
 
       final ComplexExplanation result = new ComplexExplanation();
Index: lucene/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java	(working copy)
@@ -138,8 +138,9 @@
     public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
       Scorer[] scorers = new Scorer[weights.size()];
       int idx = 0;
+      ScorerContext subContext = new ScorerContext(scorerContext.acceptDocs);
       for (Weight w : weights) {
-        Scorer subScorer = w.scorer(context, ScorerContext.def());
+        Scorer subScorer = w.scorer(context, subContext);
         if (subScorer != null && subScorer.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) {
           scorers[idx++] = subScorer;
         }
Index: lucene/src/java/org/apache/lucene/search/payloads/PayloadNearQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/payloads/PayloadNearQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/payloads/PayloadNearQuery.java	(working copy)
@@ -148,13 +148,13 @@
 
     @Override
     public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
-      return new PayloadNearSpanScorer(query.getSpans(context), this,
+      return new PayloadNearSpanScorer(query.getSpans(context, scorerContext), this,
           similarity, similarity.sloppyDocScorer(stats, query.getField(), context));
     }
     
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      PayloadNearSpanScorer scorer = (PayloadNearSpanScorer) scorer(context, ScorerContext.def());
+      PayloadNearSpanScorer scorer = (PayloadNearSpanScorer) scorer(context, new ScorerContext(context.reader.getLiveDocs()));
       if (scorer != null) {
         int newDoc = scorer.advance(doc);
         if (newDoc == doc) {
Index: lucene/src/java/org/apache/lucene/search/payloads/PayloadTermQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/payloads/PayloadTermQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/payloads/PayloadTermQuery.java	(working copy)
@@ -80,7 +80,7 @@
 
     @Override
     public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
-      return new PayloadTermSpanScorer((TermSpans) query.getSpans(context),
+      return new PayloadTermSpanScorer((TermSpans) query.getSpans(context, scorerContext),
           this, similarity.sloppyDocScorer(stats, query.getField(), context));
     }
 
@@ -174,7 +174,7 @@
     
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      PayloadTermSpanScorer scorer = (PayloadTermSpanScorer) scorer(context, ScorerContext.def());
+      PayloadTermSpanScorer scorer = (PayloadTermSpanScorer) scorer(context, new ScorerContext(context.reader.getLiveDocs()));
       if (scorer != null) {
         int newDoc = scorer.advance(doc);
         if (newDoc == doc) {
Index: lucene/src/java/org/apache/lucene/search/payloads/PayloadSpanUtil.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/payloads/PayloadSpanUtil.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/payloads/PayloadSpanUtil.java	(working copy)
@@ -35,6 +35,7 @@
 import org.apache.lucene.search.PhraseQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.search.spans.SpanNearQuery;
 import org.apache.lucene.search.spans.SpanOrQuery;
 import org.apache.lucene.search.spans.SpanQuery;
@@ -176,7 +177,7 @@
       throws IOException {
     final AtomicReaderContext[] leaves = ReaderUtil.leaves(context);
     for (AtomicReaderContext atomicReaderContext : leaves) {
-      final Spans spans = query.getSpans(atomicReaderContext);
+      final Spans spans = query.getSpans(atomicReaderContext, new ScorerContext(atomicReaderContext.reader.getLiveDocs()));
       while (spans.next() == true) {
         if (spans.isPayloadAvailable()) {
           Collection<byte[]> payload = spans.getPayload();
Index: lucene/src/java/org/apache/lucene/search/SpanQueryFilter.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/SpanQueryFilter.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/SpanQueryFilter.java	(working copy)
@@ -17,6 +17,7 @@
 
 
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.search.spans.SpanQuery;
 import org.apache.lucene.search.spans.Spans;
 import org.apache.lucene.util.FixedBitSet;
@@ -61,7 +62,7 @@
   public SpanFilterResult bitSpans(AtomicReaderContext context) throws IOException {
 
     final FixedBitSet bits = new FixedBitSet(context.reader.maxDoc());
-    Spans spans = query.getSpans(context);
+    Spans spans = query.getSpans(context, new ScorerContext(context.reader.getLiveDocs()));
     List<SpanFilterResult.PositionInfo> tmp = new ArrayList<SpanFilterResult.PositionInfo>(20);
     int currentDoc = -1;
     SpanFilterResult.PositionInfo currentInfo = null;
Index: lucene/src/java/org/apache/lucene/search/spans/NearSpansOrdered.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/NearSpansOrdered.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/NearSpansOrdered.java	(working copy)
@@ -18,6 +18,7 @@
  */
 
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.ArrayUtil;
 
 import java.io.IOException;
@@ -77,11 +78,11 @@
   private SpanNearQuery query;
   private boolean collectPayloads = true;
   
-  public NearSpansOrdered(SpanNearQuery spanNearQuery, AtomicReaderContext context) throws IOException {
-    this(spanNearQuery, context, true);
+  public NearSpansOrdered(SpanNearQuery spanNearQuery, AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
+    this(spanNearQuery, context, scorerContext, true);
   }
 
-  public NearSpansOrdered(SpanNearQuery spanNearQuery, AtomicReaderContext context, boolean collectPayloads)
+  public NearSpansOrdered(SpanNearQuery spanNearQuery, AtomicReaderContext context, ScorerContext scorerContext, boolean collectPayloads)
   throws IOException {
     if (spanNearQuery.getClauses().length < 2) {
       throw new IllegalArgumentException("Less than 2 clauses: "
@@ -94,7 +95,7 @@
     matchPayload = new LinkedList<byte[]>();
     subSpansByDoc = new Spans[clauses.length];
     for (int i = 0; i < clauses.length; i++) {
-      subSpans[i] = clauses[i].getSpans(context);
+      subSpans[i] = clauses[i].getSpans(context, scorerContext);
       subSpansByDoc[i] = subSpans[i]; // used in toSameDoc()
     }
     query = spanNearQuery; // kept for toString() only.
Index: lucene/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java	(working copy)
@@ -18,6 +18,7 @@
  */
 
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.PriorityQueue;
 
 import java.io.IOException;
@@ -131,7 +132,7 @@
   }
 
 
-  public NearSpansUnordered(SpanNearQuery query, AtomicReaderContext context)
+  public NearSpansUnordered(SpanNearQuery query, AtomicReaderContext context, ScorerContext scorerContext)
     throws IOException {
     this.query = query;
     this.slop = query.getSlop();
@@ -141,7 +142,7 @@
     subSpans = new Spans[clauses.length];    
     for (int i = 0; i < clauses.length; i++) {
       SpansCell cell =
-        new SpansCell(clauses[i].getSpans(context), i);
+        new SpansCell(clauses[i].getSpans(context, scorerContext), i);
       ordered.add(cell);
       subSpans[i] = cell.spans;
     }
Index: lucene/src/java/org/apache/lucene/search/spans/FieldMaskingSpanQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/FieldMaskingSpanQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/FieldMaskingSpanQuery.java	(working copy)
@@ -26,6 +26,7 @@
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.Weight;
 import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.ToStringUtils;
 
 /**
@@ -92,8 +93,8 @@
   // ...this is done to be more consistent with things like SpanFirstQuery
   
   @Override
-  public Spans getSpans(AtomicReaderContext context) throws IOException {
-    return maskedQuery.getSpans(context);
+  public Spans getSpans(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
+    return maskedQuery.getSpans(context, scorerContext);
   }
 
   @Override
Index: lucene/src/java/org/apache/lucene/search/spans/SpanNotQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanNotQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanNotQuery.java	(working copy)
@@ -21,6 +21,7 @@
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.ToStringUtils;
 
 import java.io.IOException;
@@ -75,12 +76,12 @@
   }
 
   @Override
-  public Spans getSpans(final AtomicReaderContext context) throws IOException {
+  public Spans getSpans(final AtomicReaderContext context, final ScorerContext scorerContext) throws IOException {
     return new Spans() {
-        private Spans includeSpans = include.getSpans(context);
+        private Spans includeSpans = include.getSpans(context, scorerContext);
         private boolean moreInclude = true;
 
-        private Spans excludeSpans = exclude.getSpans(context);
+        private Spans excludeSpans = exclude.getSpans(context, scorerContext);
         private boolean moreExclude = excludeSpans.next();
 
         @Override
Index: lucene/src/java/org/apache/lucene/search/spans/SpanWeight.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanWeight.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanWeight.java	(working copy)
@@ -68,12 +68,12 @@
 
   @Override
   public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
-    return new SpanScorer(query.getSpans(context), this, similarity.sloppyDocScorer(stats, query.getField(), context));
+    return new SpanScorer(query.getSpans(context, scorerContext), this, similarity.sloppyDocScorer(stats, query.getField(), context));
   }
 
   @Override
   public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-    Scorer scorer = scorer(context, ScorerContext.def());
+    Scorer scorer = scorer(context, new ScorerContext(context.reader.getLiveDocs()));
     if (scorer != null) {
       int newDoc = scorer.advance(doc);
       if (newDoc == doc) {
Index: lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java	(working copy)
@@ -21,6 +21,7 @@
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Weight.ScorerContext;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -81,8 +82,8 @@
   protected abstract AcceptStatus acceptPosition(Spans spans) throws IOException;
 
   @Override
-  public Spans getSpans(final AtomicReaderContext context) throws IOException {
-    return new PositionCheckSpan(context);
+  public Spans getSpans(final AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
+    return new PositionCheckSpan(context, scorerContext);
   }
 
 
@@ -106,8 +107,8 @@
   protected class PositionCheckSpan extends Spans {
     private Spans spans;
 
-    public PositionCheckSpan(AtomicReaderContext context) throws IOException {
-      spans = match.getSpans(context);
+    public PositionCheckSpan(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
+      spans = match.getSpans(context, scorerContext);
     }
 
     @Override
Index: lucene/src/java/org/apache/lucene/search/spans/SpanTermQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanTermQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanTermQuery.java	(working copy)
@@ -21,6 +21,7 @@
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.index.DocsAndPositionsEnum;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.ToStringUtils;
 
 import java.io.IOException;
@@ -81,9 +82,9 @@
   }
 
   @Override
-  public Spans getSpans(final AtomicReaderContext context) throws IOException {
+  public Spans getSpans(final AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
     final IndexReader reader = context.reader;
-    final DocsAndPositionsEnum postings = reader.termPositionsEnum(reader.getLiveDocs(),
+    final DocsAndPositionsEnum postings = reader.termPositionsEnum(scorerContext.acceptDocs,
                                                                    term.field(),
                                                                    term.bytes());
 
Index: lucene/src/java/org/apache/lucene/search/spans/SpanQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanQuery.java	(working copy)
@@ -23,12 +23,13 @@
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.Weight;
+import org.apache.lucene.search.Weight.ScorerContext;
 
 /** Base class for span-based queries. */
 public abstract class SpanQuery extends Query {
   /** Expert: Returns the matches for this query in an index.  Used internally
    * to search for spans. */
-  public abstract Spans getSpans(AtomicReaderContext context) throws IOException;
+  public abstract Spans getSpans(AtomicReaderContext context, ScorerContext scorerContext) throws IOException;
 
   /** Returns the name of the field matched by this query.*/
   public abstract String getField();
Index: lucene/src/java/org/apache/lucene/search/spans/SpanOrQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanOrQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanOrQuery.java	(working copy)
@@ -31,6 +31,7 @@
 import org.apache.lucene.util.PriorityQueue;
 import org.apache.lucene.util.ToStringUtils;
 import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Weight.ScorerContext;
 
 /** Matches the union of its clauses.*/
 public class SpanOrQuery extends SpanQuery implements Cloneable {
@@ -163,9 +164,9 @@
   }
 
   @Override
-  public Spans getSpans(final AtomicReaderContext context) throws IOException {
+  public Spans getSpans(final AtomicReaderContext context, final ScorerContext scorerContext) throws IOException {
     if (clauses.size() == 1)                      // optimize 1-clause case
-      return (clauses.get(0)).getSpans(context);
+      return (clauses.get(0)).getSpans(context, scorerContext);
 
     return new Spans() {
         private SpanQueue queue = null;
@@ -174,7 +175,7 @@
           queue = new SpanQueue(clauses.size());
           Iterator<SpanQuery> i = clauses.iterator();
           while (i.hasNext()) {
-            Spans spans = i.next().getSpans(context);
+            Spans spans = i.next().getSpans(context, scorerContext);
             if (   ((target == -1) && spans.next())
                 || ((target != -1) && spans.skipTo(target))) {
               queue.add(spans);
Index: lucene/src/java/org/apache/lucene/search/spans/SpanMultiTermQueryWrapper.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanMultiTermQueryWrapper.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanMultiTermQueryWrapper.java	(working copy)
@@ -27,6 +27,7 @@
 import org.apache.lucene.search.TopTermsRewrite;
 import org.apache.lucene.search.ScoringRewrite;
 import org.apache.lucene.search.BooleanClause.Occur; // javadocs only
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.TermContext;
 
 /**
@@ -89,7 +90,7 @@
   }
   
   @Override
-  public Spans getSpans(AtomicReaderContext context) throws IOException {
+  public Spans getSpans(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
     throw new UnsupportedOperationException("Query should have been rewritten");
   }
 
Index: lucene/src/java/org/apache/lucene/search/spans/SpanNearQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/spans/SpanNearQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/spans/SpanNearQuery.java	(working copy)
@@ -30,6 +30,7 @@
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Weight.ScorerContext;
 import org.apache.lucene.util.ToStringUtils;
 
 /** Matches spans which are near one another.  One can specify <i>slop</i>, the
@@ -117,16 +118,16 @@
   }
 
   @Override
-  public Spans getSpans(final AtomicReaderContext context) throws IOException {
+  public Spans getSpans(final AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
     if (clauses.size() == 0)                      // optimize 0-clause case
-      return new SpanOrQuery(getClauses()).getSpans(context);
+      return new SpanOrQuery(getClauses()).getSpans(context, scorerContext);
 
     if (clauses.size() == 1)                      // optimize 1-clause case
-      return clauses.get(0).getSpans(context);
+      return clauses.get(0).getSpans(context, scorerContext);
 
     return inOrder
-            ? (Spans) new NearSpansOrdered(this, context, collectPayloads)
-            : (Spans) new NearSpansUnordered(this, context);
+            ? (Spans) new NearSpansOrdered(this, context, scorerContext, collectPayloads)
+            : (Spans) new NearSpansUnordered(this, context, scorerContext);
   }
 
   @Override
Index: lucene/src/java/org/apache/lucene/search/MultiPhraseQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/MultiPhraseQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/MultiPhraseQuery.java	(working copy)
@@ -167,7 +167,7 @@
     public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
       assert !termArrays.isEmpty();
       final IndexReader reader = context.reader;
-      final Bits liveDocs = reader.getLiveDocs();
+      final Bits liveDocs = scorerContext.acceptDocs;
       
       PhraseQuery.PostingsAndFreq[] postingsFreqs = new PhraseQuery.PostingsAndFreq[termArrays.size()];
 
@@ -227,7 +227,7 @@
 
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      Scorer scorer = scorer(context, ScorerContext.def());
+      Scorer scorer = scorer(context, new ScorerContext(context.reader.getLiveDocs()));
       if (scorer != null) {
         int newDoc = scorer.advance(doc);
         if (newDoc == doc) {
Index: lucene/src/java/org/apache/lucene/search/FilteredQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/FilteredQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/FilteredQuery.java	(working copy)
@@ -107,7 +107,7 @@
       @Override
       public Scorer scorer(AtomicReaderContext context, ScorerContext scoreContext)
           throws IOException {
-        final Scorer scorer = weight.scorer(context, ScorerContext.def());
+        final Scorer scorer = weight.scorer(context, new ScorerContext(scoreContext.acceptDocs));
         if (scorer == null) {
           return null;
         }
Index: lucene/src/java/org/apache/lucene/search/BooleanQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/BooleanQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/BooleanQuery.java	(working copy)
@@ -238,7 +238,7 @@
       for (Iterator<Weight> wIter = weights.iterator(); wIter.hasNext();) {
         Weight w = wIter.next();
         BooleanClause c = cIter.next();
-        if (w.scorer(context, ScorerContext.def().scoreDocsInOrder(true).topScorer(true)) == null) {
+        if (w.scorer(context, new ScorerContext(true, true, context.reader.getLiveDocs())) == null) {
           if (c.isRequired()) {
             fail = true;
             Explanation r = new Explanation(0.0f, "no match on required clause (" + c.getQuery().toString() + ")");
@@ -310,9 +310,10 @@
       List<Scorer> prohibited = new ArrayList<Scorer>();
       List<Scorer> optional = new ArrayList<Scorer>();
       Iterator<BooleanClause> cIter = clauses.iterator();
+      ScorerContext subContext = new ScorerContext(scorerContext.acceptDocs);
       for (Weight w  : weights) {
         BooleanClause c =  cIter.next();
-        Scorer subScorer = w.scorer(context, ScorerContext.def());
+        Scorer subScorer = w.scorer(context, subContext);
         if (subScorer == null) {
           if (c.isRequired()) {
             return null;
Index: lucene/src/java/org/apache/lucene/search/PhraseQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/PhraseQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/PhraseQuery.java	(working copy)
@@ -215,7 +215,7 @@
     public Scorer scorer(AtomicReaderContext context, ScorerContext scorerContext) throws IOException {
       assert !terms.isEmpty();
       final IndexReader reader = context.reader;
-      final Bits liveDocs = reader.getLiveDocs();
+      final Bits liveDocs = scorerContext.acceptDocs;
       PostingsAndFreq[] postingsFreqs = new PostingsAndFreq[terms.size()];
       for (int i = 0; i < terms.size(); i++) {
         final Term t = terms.get(i);
@@ -267,7 +267,7 @@
 
     @Override
     public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
-      Scorer scorer = scorer(context, ScorerContext.def());
+      Scorer scorer = scorer(context, new ScorerContext(context.reader.getLiveDocs()));
       if (scorer != null) {
         int newDoc = scorer.advance(doc);
         if (newDoc == doc) {
Index: lucene/src/java/org/apache/lucene/search/TermQuery.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/TermQuery.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/TermQuery.java	(working copy)
@@ -80,7 +80,7 @@
         return null;
       }
       // TODO should we reuse the DocsEnum here? 
-      final DocsEnum docs = termsEnum.docs(context.reader.getLiveDocs(), null);
+      final DocsEnum docs = termsEnum.docs(scorerContext.acceptDocs, null);
       assert docs != null;
       return new TermScorer(this, docs, createDocScorer(context));
     }
Index: lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java	(working copy)
@@ -56,7 +56,7 @@
     return new DocIdSet() {
       @Override
       public DocIdSetIterator iterator() throws IOException {
-        return weight.scorer(privateContext, ScorerContext.def());
+        return weight.scorer(privateContext, new ScorerContext(privateContext.reader.getLiveDocs()));
       }
       @Override
       public boolean isCacheable() { return false; }
Index: lucene/src/java/org/apache/lucene/search/IndexSearcher.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/IndexSearcher.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/IndexSearcher.java	(working copy)
@@ -569,12 +569,11 @@
 
     // TODO: should we make this
     // threaded...?  the Collector could be sync'd?
-    ScorerContext scorerContext =  ScorerContext.def().scoreDocsInOrder(true).topScorer(true);
     // always use single thread:
     if (filter == null) {
       for (int i = 0; i < leaves.length; i++) { // search each subreader
         collector.setNextReader(leaves[i]);
-        scorerContext = scorerContext.scoreDocsInOrder(!collector.acceptsDocsOutOfOrder());
+        ScorerContext scorerContext = new ScorerContext(!collector.acceptsDocsOutOfOrder(), true, leaves[i].reader.getLiveDocs());
         Scorer scorer = weight.scorer(leaves[i], scorerContext);
         if (scorer != null) {
           scorer.score(collector);
@@ -593,7 +592,7 @@
 
     assert filter != null;
     
-    Scorer scorer = weight.scorer(context, ScorerContext.def());
+    Scorer scorer = weight.scorer(context, new ScorerContext(context.reader.getLiveDocs()));
     if (scorer == null) {
       return;
     }
Index: lucene/src/java/org/apache/lucene/search/Weight.java
===================================================================
--- lucene/src/java/org/apache/lucene/search/Weight.java	(revision 1177055)
+++ lucene/src/java/org/apache/lucene/search/Weight.java	(working copy)
@@ -23,6 +23,7 @@
 import org.apache.lucene.index.IndexReader.AtomicReaderContext;
 import org.apache.lucene.index.IndexReader.ReaderContext;
 import org.apache.lucene.search.similarities.SimilarityProvider;
+import org.apache.lucene.util.Bits;
 
 /**
  * Expert: Calculate query weights and build query scorers.
@@ -110,14 +111,7 @@
 
   /**
    * A struct like class encapsulating a scorer's context variables.
-   * ScorerContex is a strictly immutable struct that follows a
-   * <tt>create on modification</tt> pattern. If a context variable changes
-   * through one of the modifiers like {@link #topScorer(boolean)} a new
-   * {@link ScorerContext} instance is creates. If the modifier call doesn't
-   * change the instance the method call has no effect and the same instance is
-   * returned from the modifier.
-   * 
-   * @lucene.experimental
+   * @lucene.internal
    */
   public static final class ScorerContext {
    
@@ -130,17 +124,16 @@
      * is recommended to request an in-order scorer if use of these methods is
      * required.
      */
-    public final boolean scoreDocsInOrder;
+    public boolean scoreDocsInOrder;
     
     /**
      * if <code>true</code>, {@link Scorer#score(Collector)} will be called; if
      * false, {@link Scorer#nextDoc()} and/or {@link Scorer#advance(int)} will
      * be called instead.
      */
-    public final boolean topScorer;
+    public boolean topScorer;
     
-    
-    private static final ScorerContext DEFAULT_CONTEXT = new ScorerContext(true, false);
+    public Bits acceptDocs;
 
     /**
      * Returns a default {@link ScorerContext} template initialized with:
@@ -149,41 +142,14 @@
      * <li>{@link #topScorer} = <code>false</code></li>
      * </ul>
      */
-    public static ScorerContext def() {
-      return DEFAULT_CONTEXT;
+    public ScorerContext(Bits acceptDocs) {
+      this(true, false, acceptDocs);
     }
     
-    private ScorerContext(boolean scoreDocsInOrder, boolean topScorer) {
+    public ScorerContext(boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs) {
       this.scoreDocsInOrder = scoreDocsInOrder;
       this.topScorer = topScorer;
+      this.acceptDocs = acceptDocs;
     }
-
-    /**
-     * Creates and returns a copy of this context with the given value for
-     * {@link #scoreDocsInOrder} and returns a new instance of
-     * {@link ScorerContext} iff the given value differs from the
-     * {@link #scoreDocsInOrder}. Otherwise, this method has no effect and
-     * returns this instance.
-     */
-    public ScorerContext scoreDocsInOrder(boolean scoreDocsInOrder) {
-      if (this.scoreDocsInOrder == scoreDocsInOrder) {
-        return this;
-      }
-      return new ScorerContext(scoreDocsInOrder, topScorer);
-    }
-    
-    /**
-     * Creates and returns a copy of this context with the given value for
-     * {@link #topScorer} and returns a new instance of
-     * {@link ScorerContext} iff the given value differs from the
-     * {@link #topScorer}. Otherwise, this method has no effect and
-     * returns this instance.
-     */
-    public ScorerContext topScorer(boolean topScorer) {
-      if (this.topScorer == topScorer) {
-        return this;
-      }
-      return new ScorerContext(scoreDocsInOrder, topScorer);
-    }
   }
 }
Index: lucene/src/test-framework/org/apache/lucene/search/QueryUtils.java
===================================================================
--- lucene/src/test-framework/org/apache/lucene/search/QueryUtils.java	(revision 1177055)
+++ lucene/src/test-framework/org/apache/lucene/search/QueryUtils.java	(working copy)
@@ -33,6 +33,7 @@
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.MockDirectoryWrapper;
 import org.apache.lucene.store.RAMDirectory;
+import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.ReaderUtil;
 import org.apache.lucene.util._TestUtil;
@@ -256,7 +257,8 @@
             try {
               if (scorer == null) {
                 Weight w = s.createNormalizedWeight(q);
-                scorer = w.scorer(readerContextArray[leafPtr], ScorerContext.def());
+                AtomicReaderContext context = readerContextArray[leafPtr];
+                scorer = w.scorer(context, new ScorerContext(context.reader.getLiveDocs()));
               }
               
               int op = order[(opidx[0]++) % order.length];
@@ -301,7 +303,8 @@
               final IndexReader previousReader = lastReader[0];
               IndexSearcher indexSearcher = LuceneTestCase.newSearcher(previousReader);
               Weight w = indexSearcher.createNormalizedWeight(q);
-              Scorer scorer = w.scorer((AtomicReaderContext)indexSearcher.getTopReaderContext(), ScorerContext.def());
+              AtomicReaderContext ctx = (AtomicReaderContext)indexSearcher.getTopReaderContext();
+              Scorer scorer = w.scorer(ctx, new ScorerContext(ctx.reader.getLiveDocs()));
               if (scorer != null) {
                 boolean more = scorer.advance(lastDoc[0] + 1) != DocIdSetIterator.NO_MORE_DOCS;
                 Assert.assertFalse("query's last doc was "+ lastDoc[0] +" but skipTo("+(lastDoc[0]+1)+") got to "+scorer.docID(),more);
@@ -327,7 +330,8 @@
           final IndexReader previousReader = lastReader[0];
           IndexSearcher indexSearcher = LuceneTestCase.newSearcher(previousReader, false);
           Weight w = indexSearcher.createNormalizedWeight(q);
-          Scorer scorer = w.scorer((AtomicReaderContext)previousReader.getTopReaderContext(), ScorerContext.def());
+          AtomicReaderContext ctx = (AtomicReaderContext)previousReader.getTopReaderContext();
+          Scorer scorer = w.scorer(ctx, new ScorerContext(ctx.reader.getLiveDocs()));
           if (scorer != null) {
             boolean more = scorer.advance(lastDoc[0] + 1) != DocIdSetIterator.NO_MORE_DOCS;
             Assert.assertFalse("query's last doc was "+ lastDoc[0] +" but skipTo("+(lastDoc[0]+1)+") got to "+scorer.docID(),more);
@@ -347,6 +351,7 @@
     s.search(q,new Collector() {
       private Scorer scorer;
       private int leafPtr;
+      private Bits liveDocs;
       @Override
       public void setScorer(Scorer scorer) throws IOException {
         this.scorer = scorer;
@@ -358,7 +363,7 @@
           long startMS = System.currentTimeMillis();
           for (int i=lastDoc[0]+1; i<=doc; i++) {
             Weight w = s.createNormalizedWeight(q);
-            Scorer scorer = w.scorer(context[leafPtr], ScorerContext.def());
+            Scorer scorer = w.scorer(context[leafPtr], new ScorerContext(liveDocs));
             Assert.assertTrue("query collected "+doc+" but skipTo("+i+") says no more docs!",scorer.advance(i) != DocIdSetIterator.NO_MORE_DOCS);
             Assert.assertEquals("query collected "+doc+" but skipTo("+i+") got to "+scorer.docID(),doc,scorer.docID());
             float skipToScore = scorer.score();
@@ -385,7 +390,7 @@
           final IndexReader previousReader = lastReader[0];
           IndexSearcher indexSearcher = LuceneTestCase.newSearcher(previousReader);
           Weight w = indexSearcher.createNormalizedWeight(q);
-          Scorer scorer = w.scorer((AtomicReaderContext)indexSearcher.getTopReaderContext(), ScorerContext.def());
+          Scorer scorer = w.scorer((AtomicReaderContext)indexSearcher.getTopReaderContext(), new ScorerContext(previousReader.getLiveDocs()));
           if (scorer != null) {
             boolean more = scorer.advance(lastDoc[0] + 1) != DocIdSetIterator.NO_MORE_DOCS;
             Assert.assertFalse("query's last doc was "+ lastDoc[0] +" but skipTo("+(lastDoc[0]+1)+") got to "+scorer.docID(),more);
@@ -396,6 +401,7 @@
 
         lastReader[0] = context.reader;
         lastDoc[0] = -1;
+        liveDocs = context.reader.getLiveDocs();
       }
       @Override
       public boolean acceptsDocsOutOfOrder() {
@@ -409,7 +415,7 @@
       final IndexReader previousReader = lastReader[0];
       IndexSearcher indexSearcher = LuceneTestCase.newSearcher(previousReader);
       Weight w = indexSearcher.createNormalizedWeight(q);
-      Scorer scorer = w.scorer((AtomicReaderContext)indexSearcher.getTopReaderContext(), ScorerContext.def());
+      Scorer scorer = w.scorer((AtomicReaderContext)indexSearcher.getTopReaderContext(), new ScorerContext(previousReader.getLiveDocs()));
       if (scorer != null) {
         boolean more = scorer.advance(lastDoc[0] + 1) != DocIdSetIterator.NO_MORE_DOCS;
         Assert.assertFalse("query's last doc was "+ lastDoc[0] +" but skipTo("+(lastDoc[0]+1)+") got to "+scorer.docID(),more);
