Index: lucene/core/src/java/org/apache/lucene/search/BooleanScorer.java
===================================================================
--- lucene/core/src/java/org/apache/lucene/search/BooleanScorer.java	(revision 1330029)
+++ lucene/core/src/java/org/apache/lucene/search/BooleanScorer.java	(working copy)
@@ -333,7 +333,7 @@
   }
   
   @Override
-  protected void visitSubScorers(Query parent, Occur relationship, ScorerVisitor<Query, Query, Scorer> visitor) {
+  public void visitSubScorers(Query parent, Occur relationship, ScorerVisitor<Query, Query, Scorer> visitor) {
     super.visitSubScorers(parent, relationship, visitor);
     final Query q = weight.getQuery();
     SubScorer sub = scorers;
Index: lucene/core/src/java/org/apache/lucene/search/BooleanScorer2.java
===================================================================
--- lucene/core/src/java/org/apache/lucene/search/BooleanScorer2.java	(revision 1330029)
+++ lucene/core/src/java/org/apache/lucene/search/BooleanScorer2.java	(working copy)
@@ -321,7 +321,7 @@
   }
 
   @Override
-  protected void visitSubScorers(Query parent, Occur relationship, ScorerVisitor<Query, Query, Scorer> visitor) {
+  public void visitSubScorers(Query parent, Occur relationship, ScorerVisitor<Query, Query, Scorer> visitor) {
     super.visitSubScorers(parent, relationship, visitor);
     final Query q = weight.getQuery();
     for (Scorer s : optionalScorers) {
Index: lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxScorer.java
===================================================================
--- lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxScorer.java	(revision 1330029)
+++ lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxScorer.java	(working copy)
@@ -186,4 +186,13 @@
     }
   }
 
+  @Override
+  public void visitSubScorers(Query parent, BooleanClause.Occur relationship, ScorerVisitor<Query, Query, Scorer> visitor) {
+    super.visitSubScorers(parent, relationship, visitor);
+    final Query q = weight.getQuery();
+    for (int i = 0; i < numScorers; i++) {
+      subScorers[i].visitSubScorers(q, BooleanClause.Occur.SHOULD, visitor);
+    }
+  }
+
 }
Index: lucene/core/src/java/org/apache/lucene/search/Scorer.java
===================================================================
--- lucene/core/src/java/org/apache/lucene/search/Scorer.java	(revision 1330029)
+++ lucene/core/src/java/org/apache/lucene/search/Scorer.java	(working copy)
@@ -198,7 +198,7 @@
    * 
    * @lucene.experimental
    */
-  protected void visitSubScorers(Query parent, Occur relationship,
+  public void visitSubScorers(Query parent, Occur relationship,
       ScorerVisitor<Query, Query, Scorer> visitor) {
     if (weight == null)
       throw new UnsupportedOperationException();