Index: contrib/miscellaneous/src/test/org/apache/lucene/misc/ChainedFilterTest.java
===================================================================
--- contrib/miscellaneous/src/test/org/apache/lucene/misc/ChainedFilterTest.java	(revision 607519)
+++ contrib/miscellaneous/src/test/org/apache/lucene/misc/ChainedFilterTest.java	(working copy)
@@ -90,6 +90,16 @@
     chain = new ChainedFilter(new Filter[] {bobFilter});
     hits = searcher.search(query, chain);
     assertEquals(MAX / 2, hits.length());
+    
+    chain = new ChainedFilter(new Filter[] {bobFilter}, new int[] {ChainedFilter.AND});
+    hits = searcher.search(query, chain);
+    assertEquals(MAX / 2, hits.length());
+    assertEquals("bob", hits.doc(0).get("owner"));
+    
+    chain = new ChainedFilter(new Filter[] {bobFilter}, new int[] {ChainedFilter.ANDNOT});
+    hits = searcher.search(query, chain);
+    assertEquals(MAX / 2, hits.length());
+    assertEquals("sue", hits.doc(0).get("owner"));
   }
 
   public void testOR() throws Exception {
@@ -127,6 +137,15 @@
     assertEquals("ANDNOT matches just bob",
         MAX / 2, hits.length());
     assertEquals("bob", hits.doc(0).get("owner"));
+    
+    chain = new ChainedFilter(
+        new Filter[]{bobFilter, bobFilter},
+          new int[] {ChainedFilter.ANDNOT, ChainedFilter.ANDNOT});
+
+      hits = searcher.search(query, chain);
+      assertEquals("ANDNOT bob ANDNOT bob matches all sues",
+          MAX / 2, hits.length());
+      assertEquals("sue", hits.doc(0).get("owner"));
   }
 
   private Date parseDate(String s) throws ParseException {
Index: contrib/miscellaneous/src/java/org/apache/lucene/misc/ChainedFilter.java
===================================================================
--- contrib/miscellaneous/src/java/org/apache/lucene/misc/ChainedFilter.java	(revision 607519)
+++ contrib/miscellaneous/src/java/org/apache/lucene/misc/ChainedFilter.java	(working copy)
@@ -177,6 +177,12 @@
             result = (BitSet) chain[i].bits(reader).clone();
             ++i;
         }
+        else if (logic == ANDNOT)
+        {
+            result = (BitSet) chain[i].bits(reader).clone();
+            result.flip(0,reader.maxDoc());
+            ++i;
+        }
         else
         {
             result = new BitSet(reader.maxDoc());
@@ -212,6 +218,12 @@
             result = (BitSet) chain[i].bits(reader).clone();
             ++i;
         }
+        else if (logic[0] == ANDNOT)
+        {
+            result = (BitSet) chain[i].bits(reader).clone();
+            result.flip(0,reader.maxDoc());
+            ++i;
+        }
         else
         {
             result = new BitSet(reader.maxDoc());