Index: lucene/contrib/queries/src/test/org/apache/lucene/search/BooleanFilterTest.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- lucene/contrib/queries/src/test/org/apache/lucene/search/BooleanFilterTest.java	(revision 1328357)
+++ lucene/contrib/queries/src/test/org/apache/lucene/search/BooleanFilterTest.java	(revision )
@@ -301,4 +301,35 @@
     booleanFilter.add(getNullDISIFilter(), Occur.MUST_NOT);
     tstFilterCard("A single MUST_NOT filter that returns a null DIS should be invisible", 5, booleanFilter);
   }
+
+  public void testToStringOfBooleanFilterContainingTermsFilter() {
+    BooleanFilter booleanFilter = new BooleanFilter();
+    booleanFilter.add(getTermsFilter("inStock", "N"), Occur.MUST);
+    booleanFilter.add(getTermsFilter("isFragile", "Y"), Occur.MUST);
+
+    assertEquals("BooleanFilter(+inStock:N +isFragile:Y)", booleanFilter.toString());
+  }
+
+
+  public void testToStringOfWrappedBooleanFilters() {
+    BooleanFilter orFilter = new BooleanFilter();
+
+    BooleanFilter stockFilter = new BooleanFilter();
+    stockFilter.add(new FilterClause(getTermsFilter("inStock", "Y"), Occur.MUST));
+    stockFilter.add(new FilterClause(getTermsFilter("barCode", "12345678"), Occur.MUST));
+
+    orFilter.add(new FilterClause(stockFilter,Occur.SHOULD));
+
+
+    BooleanFilter productPropertyFilter = new BooleanFilter();
+    productPropertyFilter.add(new FilterClause(getTermsFilter("isHeavy", "N"), Occur.MUST));
+    productPropertyFilter.add(new FilterClause(getTermsFilter("isDamaged", "Y"), Occur.MUST));
+
+    orFilter.add(new FilterClause(productPropertyFilter,Occur.SHOULD));
+
+    BooleanFilter composedFilter = new BooleanFilter();
+    composedFilter.add(new FilterClause(orFilter,Occur.MUST));
+
+    assertEquals("BooleanFilter(+BooleanFilter(BooleanFilter(+inStock:Y +barCode:12345678) BooleanFilter(+isHeavy:N +isDamaged:Y)))", composedFilter.toString());
+  }
 }
Index: lucene/contrib/queries/src/java/org/apache/lucene/search/TermsFilter.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- lucene/contrib/queries/src/java/org/apache/lucene/search/TermsFilter.java	(revision 1328357)
+++ lucene/contrib/queries/src/java/org/apache/lucene/search/TermsFilter.java	(revision )
@@ -98,5 +98,15 @@
 		}
 		return hash;
 	}
-	
+
+  @Override
+  public String toString() {
+    StringBuilder builder = new StringBuilder();
+      for(Term term:terms){
+        builder.append(term.field())
+               .append(":")
+               .append(term.text());
+      }
+    return builder.toString();
+  }
 }